Energy Sistem Esg M2 Review | 78 Data compared

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  • Avg. price: ~£20
  • Connectivity: wired
  • Maximum polling rate: 1000 Hz
  • Maximum DPI: 6400 DPI
  • Weight: 110 g

Energy Sistem Esg M2 review. Compare 78 technical specifications and user reviews to see how it ranks among mice and if it is worth buying.

5.3

Overall score

What it is: An overall evaluation of the mouse's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best mice on the market.

Score components:

80.0%

4.8

Technical Score

20.0%

7.4

User score

Good
4.8

Technical Score

What it is: An assessment of the mouse's technical performance, covering key areas such as sensor performance, buttons and features, connectivity, battery life, ergonomics, software, and build quality.

When it matters: When you want to compare mice based on technical performance and available features.

Score components:

36.0%

5.0

Performance & Sensor

22.0%

5.2

Controls

16.0%

6.4

Design

14.0%

4.9

Features

7.0%

1.1

Connectivity

5.0%

1.0

Battery & Charging

Poor
7.4

User score

What it is: A rating that combines user reviews and the total number of reviews received by the mouse.

When it matters: When you want to understand how a mouse performs in daily use or gaming and how reliable it is in terms of comfort, button feel, tracking accuracy, and long-term durability.

Score components:

70.0%

8.8

User reviews

30.0%

4.3

Popularity

User score:
United Kingdom
amazon
4.0
(29)
amazon
4.6
(24)
United States
Amazon_logo.png
4.5
(79)
Amazon_logo.png
4.0
(29)

(Reviews last updated: May 2026)

Very good
  • 5.2
    Gaming

    Score components:

    28.0%

    3.7

    Maximum polling rate

    24.0%

    10

    N. of programmable buttons

    20.0%

    4.6

    Onboard memory profiles

    16.0%

    1.5

    Maximum tracking speed

    12.0%

    4.6

    Weight

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Best rankings

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Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The Energy Sistem ESG M2 is an ergonomic wired gaming mouse featuring a PMW 6651 optical sensor with a sensitivity range of 200 to 6,400 DPI and a 1,000 Hz polling rate. Key characteristics include 8 fully programmable Huano mechanical buttons for durability, 22 G acceleration, and customisable RGB LED lighting with six effects manageable via software. Its main pros are the comfortable ergonomic design, a 1.5m cable with electromagnetic interference protection, and the inclusion of extra weights for personal feel adjustment. However, its main cons are the relatively low maximum tracking speed of 66 IPS and a maximum DPI that trails behind high-end competitive alternatives.

Technical Specifications of Energy Sistem Esg M2

Technical Score

What it is: An assessment of the mouse's technical performance, covering key areas such as sensor performance, buttons and features, connectivity, battery life, ergonomics, software, and build quality.

When it matters: When you want to compare mice based on technical performance and available features.

Score components:

36.0%

5.0

Performance & Sensor

22.0%

5.2

Controls

16.0%

6.4

Design

14.0%

4.9

Features

7.0%

1.1

Connectivity

5.0%

1.0

Battery & Charging

4.8
Energy Sistem Esg M2 has a technical score of 4.78 points, which is lower than that of 75.7% of products in this category.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the mouse.

When it matters: When you want to understand how a mouse performs in daily use or gaming and how reliable it is in terms of comfort, button feel, tracking accuracy, and long-term durability.

Score components:

70.0%

8.8

User reviews

30.0%

4.3

Popularity

User score:
United Kingdom
amazon
4.0
(29)
amazon
4.6
(24)
United States
Amazon_logo.png
4.5
(79)
Amazon_logo.png
4.0
(29)

(Reviews last updated: May 2026)

7.4
Energy Sistem Esg M2 has a user score of 7.45 points, which is lower than that of 71.7% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by the mouse.
When it matters: When you prefer a mouse that has already been chosen and reviewed by many other users.
4.3
Energy Sistem Esg M2 has a popularity of 4.3 points, which is lower than 58.4% of products in this category.
Ratio quality/price

What it is: An indicator that combines the mouse's overall rating with its cost.

When it matters: When you are looking for a mouse that offers a strong balance of performance, features, and price.

Score components:

60.0%

5.3

Overall score

40.0%

10

Price

6.7
Energy Sistem Esg M2 has a quality-to-price ratio of 6.7 points, which is lower than 74.4% of products in this category.
Brand name
What it is: The manufacturer or brand of the product.
When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

Importance: MEDIUM

Energy
Maximum polling rate
What it is: The maximum number of position reports the mouse can send to the computer each second, measured in Hertz (Hz).
When it matters: When you are chasing the lowest possible input delay for competitive play and want the mouse reporting as often as possible.

Importance: HIGH

Good value: >=1000 Hz

1,000 Hz
Energy Sistem Esg M2 has a maximum polling rate of 1000 Hz, which is higher than 27.8% of mice and equal to 55.1% of mice.
Wired polling rate
What it is: The polling rate the mouse reaches when it is connected with a cable.
When it matters: When you mainly use the mouse wired and want maximum responsiveness.

Importance: HIGH

Good value: >=1000 Hz

1,000 Hz
Energy Sistem Esg M2 has a wired polling rate of 1000 Hz, which is higher than 13.3% of mice and equal to 77.3% of mice.
2.4 GHz polling rate
What it is: The polling rate available when the mouse is used over a 2.4 GHz wireless connection.
When it matters: When you use the 2.4 GHz receiver and want near-wired performance.

Importance: HIGH

Good value: >=1000 Hz

N/A
Bluetooth polling rate
What it is: The polling rate available when the mouse is connected through Bluetooth.
When it matters: When you use Bluetooth and want to understand the trade-off in responsiveness.

Importance: LOW

Good value: >=125 Hz

0 Hz
Energy Sistem Esg M2 has a Bluetooth polling rate of 0 Hz, which is equal to 63% of mice.
wired only.
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Connectivity
What it is: The mouse's high-level connectivity class: wired only, wireless only, or both wired and wireless.
When it matters: When you need to know at a glance whether the mouse is wired, wireless, or flexible enough to support both.

Importance: HIGH

wired
Energy Sistem Esg M2 supports wired connectivity, which is less versatile than 65.1% of mice and equal to 34.9% of mice.
connection modes: wired.
Bluetooth support
What it is: Shows whether the mouse can connect over Bluetooth instead of relying only on a wired link or proprietary USB receiver.
When it matters: When you want a dongle-free connection option for laptops, tablets, or devices with limited USB ports.

Importance: MEDIUM

no
Energy Sistem Esg M2 does not support Bluetooth. 35.6% of mice support Bluetooth.
Bluetooth version
What it is: The Bluetooth standard version supported by the mouse for wireless connectivity and compatibility.
When it matters: When you care about Bluetooth compatibility, efficiency, and connection quality.

Importance: LOW

Good value: >=5.1

N/A
Proprietary 2.4 GHz support
What it is: Shows whether the mouse supports the brand's dedicated 2.4 GHz wireless system rather than relying only on Bluetooth.
When it matters: When you want the brand's fast low-latency wireless mode instead of depending only on Bluetooth performance.

Importance: MEDIUM

no
Energy Sistem Esg M2 does not support proprietary 2.4 GHz wireless. 61.6% of mice support proprietary 2.4 GHz wireless.
Receiver included
What it is: Shows whether a compatible wireless receiver is included in the box instead of needing to be bought separately.
When it matters: When you expect full wireless use immediately and do not want to buy extra accessories just to get started.

Importance: MEDIUM

no
Energy Sistem Esg M2 does not include a receiver. 62.5% of mice include a receiver.
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Battery life
What it is: The operating time the mouse can deliver on a full charge or a fresh set of batteries under normal use.
When it matters: When the mouse needs to last through workdays, travel, or repeated gaming sessions without constant charging.

Importance: HIGH

Good value: >400 hours

N/A
Battery capacity
What it is: The amount of energy the built-in battery can store, measured in milliampere-hours (mAh).
When it matters: When you want rough battery context behind the runtime claim instead of judging endurance from marketing hours alone.

Importance: MEDIUM

Good value: >=500 mAh

N/A
Battery form factor
What it is: The battery format used by the mouse, such as AA, AAA, integrated rechargeable cell, or another form.
When it matters: When you care whether the mouse uses easy-to-replace AA or AAA cells or a sealed rechargeable pack.

Importance: LOW

N/A
Rechargeable battery
What it is: Shows whether the mouse uses a rechargeable battery instead of relying only on disposable cells.
When it matters: When you prefer topping the mouse up over USB or a dock instead of buying disposable batteries repeatedly.

Importance: HIGH

no
Energy Sistem Esg M2 does not use a rechargeable battery. 46% of mice use a rechargeable battery.
Removable battery
What it is: Shows whether the battery can be removed and replaced by the user instead of being sealed inside the mouse.
When it matters: When long-term serviceability matters and you would rather replace the battery than replace the whole mouse later.

Importance: LOW

no
Energy Sistem Esg M2 does not use a removable battery. 22.3% of mice use a removable battery.
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N. of buttons
What it is: The total number of physical buttons available on the mouse body.
When it matters: When you need enough physical controls for shortcuts, MMO binds, browser actions, or productivity commands.

Importance: HIGH

Good value: >=7

8
Energy Sistem Esg M2 has 8 buttons, which is more than 78.5% of mice and equal to 9.7% of mice.
N. of side buttons
What it is: The number of buttons placed on the side of the mouse, typically for thumb access.
When it matters: When thumb-access buttons matter for browser navigation, MMOs, or productivity shortcuts.

Importance: MEDIUM

Good value: >=2

3
Energy Sistem Esg M2 has 3 side buttons, which is more than 83.7% of mice and equal to 8.7% of mice.
N. of programmable buttons
What it is: The number of mouse buttons that can be customized or reassigned through software or onboard settings.
When it matters: When remapping flexibility matters and you want more actions moved off the keyboard.

Importance: HIGH

Good value: >=7

8
Energy Sistem Esg M2 has 8 programmable buttons, which is more than 80.2% of mice and equal to 8.8% of mice.
DPI switching button
What it is: Shows whether the mouse includes a dedicated control for changing DPI levels on the fly.
When it matters: When you want to swap sensitivity instantly for sniping, browsing, editing, or different game genres.

Importance: MEDIUM

yes
Energy Sistem Esg M2 includes a DPI switching button. 14.7% of mice include a DPI switching button.
Profile switching button
What it is: Shows whether the mouse includes a dedicated control for changing onboard or saved profiles during use.
When it matters: When you switch between saved profiles for different games or work routines.

Importance: LOW

no
Energy Sistem Esg M2 does not include a profile switching button. 16.8% of mice include a profile switching button.
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Orientation
What it is: The hand orientation the mouse is designed for, such as right-handed, left-handed, or ambidextrous use.
When it matters: When hand comfort matters and you need a shape that fits your grip and dominant hand.

Importance: HIGH

right-handed
Weight
What it is: The overall weight of the mouse itself, which influences portability, comfort, and movement feel.
When it matters: When you care about how light or substantial the mouse feels during long sessions.

Importance: HIGH

Good value: <100 g

110 g
Energy Sistem Esg M2 weighs 110 g, which is heavier than 80.1% of mice and equal to 2.1% of mice.
Extra weights
What it is: The total weight of removable extra weights included for tuning the balance or feel of the mouse.
When it matters: When you care about tuning balance and overall heft instead of being locked into the stock feel.

Importance: LOW

?
Cable length
What it is: The length of the supplied cable used for wired operation or charging, usually measured in meters.
When it matters: When you need enough cable reach across your desk or charging setup.

Importance: LOW

Good value: >=1.8 m

1.5 m
Energy Sistem Esg M2 has a cable length of 1.5 m, which is less than 86.9% of mice and equal to 8.3% of mice.
Cable type
What it is: The construction style of the cable, such as braided, rubber, or paracord, which affects flexibility and durability.
When it matters: When cable drag, flexibility, and durability affect how the mouse feels in use.

Importance: LOW

rubber
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Onboard memory profiles
What it is: The number of user profiles that can be stored directly in the mouse memory for use without reconfiguring software each time.
When it matters: When you use different games, apps, or devices and want settings saved directly on the mouse.

Importance: MEDIUM

Good value: >=3

2
Energy Sistem Esg M2 stores 2 onboard profiles, which is more than 67.8% of mice and equal to 1.6% of mice.
Onboard memory size
What it is: The amount of onboard memory available inside the mouse for storing settings, macros, or profiles.
When it matters: When you store complex macros, settings, or several onboard profiles.

Importance: LOW

Good value: >=512 KB

?
Software name
What it is: The name of the official software used to configure the mouse, update firmware, or customize features.
When it matters: When software ecosystem and customization tools influence your buying decision.

Importance: LOW

?
Firmware upgradable
What it is: Shows whether the mouse can receive firmware updates for fixes, compatibility improvements, or feature changes.
When it matters: When you want the option for later fixes, stability improvements, or performance tweaks after purchase.

Importance: LOW

no
Energy Sistem Esg M2 does not support firmware upgrades. 72.9% of mice support firmware upgrades.
Suitable for gaming
What it is: Shows whether the mouse is positioned or tuned around gaming-focused speed, latency, and control features.
When it matters: When fast clicks, low latency, and gaming-oriented features are priorities.

Importance: MEDIUM

yes
Energy Sistem Esg M2 is suitable for gaming. 24.3% of mice are suitable for gaming.

Energy Sistem Esg M2 vs the average mouse

  • 2 more programmable buttons
    Energy Sistem Esg M2 has 8 programmable buttons, while the average mouse has 6 programmable buttons.
    What it is: The number of mouse buttons that can be customized or reassigned through software or onboard settings.
    When it matters: When remapping flexibility matters and you want more actions moved off the keyboard.

    Importance: HIGH

    Good value: >=7

    Energy Sistem Esg M2 has 8 programmable buttons, while the average mouse has 6 programmable buttons.8 vs 6
  • 1 more onboard profiles
    Energy Sistem Esg M2 stores 2 onboard profiles, while the average mouse stores 1 onboard profiles.
    What it is: The number of user profiles that can be stored directly in the mouse memory for use without reconfiguring software each time.
    When it matters: When you use different games, apps, or devices and want settings saved directly on the mouse.

    Importance: MEDIUM

    Good value: >=3

    Energy Sistem Esg M2 stores 2 onboard profiles, while the average mouse stores 1 onboard profiles.2 vs 1
  • 1 more side buttons
    Energy Sistem Esg M2 has 3 side buttons, while the average mouse has 2 side buttons.
    What it is: The number of buttons placed on the side of the mouse, typically for thumb access.
    When it matters: When thumb-access buttons matter for browser navigation, MMOs, or productivity shortcuts.

    Importance: MEDIUM

    Good value: >=2

    Energy Sistem Esg M2 has 3 side buttons, while the average mouse has 2 side buttons.3 vs 2
  • 2 more buttons
    Energy Sistem Esg M2 has 8 buttons, while the average mouse has 6 buttons.
    What it is: The total number of physical buttons available on the mouse body.
    When it matters: When you need enough physical controls for shortcuts, MMO binds, browser actions, or productivity commands.

    Importance: HIGH

    Good value: >=7

    Energy Sistem Esg M2 has 8 buttons, while the average mouse has 6 buttons.8 vs 6
  • 75% cheaper
    Energy Sistem Esg M2 is cheaper than the average mouse (£20 vs £35).
    Energy Sistem Esg M2 is cheaper than the average mouse (£20 vs £35).£20 vs £35
  • 2 more programmable buttons
    Energy Sistem Esg M2 has 8 programmable buttons, while the average mouse has 6 programmable buttons.
  • 1 more side buttons
    Energy Sistem Esg M2 has 3 side buttons, while the average mouse has 2 side buttons.
  • 2 more buttons
    Energy Sistem Esg M2 has 8 buttons, while the average mouse has 6 buttons.
  • 1 more onboard profiles
    Energy Sistem Esg M2 stores 2 onboard profiles, while the average mouse stores 1 onboard profiles.
  • 83.5% lower tracking speed
    Energy Sistem Esg M2 has a maximum tracking speed of 66 IPS, while the average mouse has a maximum tracking speed of 400 IPS.
  • 36% lower maximum DPI
    Energy Sistem Esg M2 has a maximum DPI of 6,400 DPI, while the average mouse has a maximum DPI of 10,000 DPI.
  • 45% lower maximum acceleration
    Energy Sistem Esg M2 has a maximum acceleration of 22 G, while the average mouse has a maximum acceleration of 40 G.
  • No proprietary 2.4 GHz support
    Energy Sistem Esg M2 does not support proprietary 2.4 GHz wireless, while the average mouse does. 61.5% of mice support proprietary 2.4 GHz wireless.
  • No receiver included
    Energy Sistem Esg M2 does not include a receiver, while the average mouse does. 62.4% of mice include a receiver.
  • Limited connectivity
    Energy Sistem Esg M2 supports wired connectivity, while the average mouse supports wireless connectivity.
    connection modes: wired.
  • No automatic sleep mode
    Energy Sistem Esg M2 does not support auto-sleep, while the average mouse does. 63.2% of mice support auto-sleep.
  • No battery level indicator
    Energy Sistem Esg M2 does not include a battery level indicator, while the average mouse does. 59.2% of mice include a battery level indicator.
  • 20 million clicks shorter switch lifespan
    Energy Sistem Esg M2 has a switch durability of 10 million clicks, while the average mouse has a switch durability of 30 million clicks.
    Huano switches.
  • 32.9% higher mouse weight
    Energy Sistem Esg M2 weighs 110 g, while the average mouse weighs 82.745 g.
  • 14 mm wider mouse width
    Energy Sistem Esg M2 has a width of 80 mm, while the average mouse has a width of 66 mm.
  • 0.3 m shorter cable
    Energy Sistem Esg M2 has a cable length of 1.5 m, while the average mouse has a cable length of 1.8 m.
  • No firmware upgrades
    Energy Sistem Esg M2 does not support firmware upgrades, while the average mouse does. 72.8% of mice support firmware upgrades.
  • No proprietary 2.4 GHz support
    Energy Sistem Esg M2 does not support proprietary 2.4 GHz wireless, while the average mouse does. 61.5% of mice support proprietary 2.4 GHz wireless.
    What it is: Shows whether the mouse supports the brand's dedicated 2.4 GHz wireless system rather than relying only on Bluetooth.
    When it matters: When you want the brand's fast low-latency wireless mode instead of depending only on Bluetooth performance.

    Importance: MEDIUM

    Energy Sistem Esg M2 does not support proprietary 2.4 GHz wireless, while the average mouse does. 61.5% of mice support proprietary 2.4 GHz wireless.
  • 32.9% higher mouse weight
    Energy Sistem Esg M2 weighs 110 g, while the average mouse weighs 82.745 g.
    What it is: The overall weight of the mouse itself, which influences portability, comfort, and movement feel.
    When it matters: When you care about how light or substantial the mouse feels during long sessions.

    Importance: HIGH

    Good value: <100 g

    Energy Sistem Esg M2 weighs 110 g, while the average mouse weighs 82.745 g.110 g vs 82.745 g
  • 20 million clicks shorter switch lifespan
    Energy Sistem Esg M2 has a switch durability of 10 million clicks, while the average mouse has a switch durability of 30 million clicks.
    Huano switches.
    What it is: The rated click lifespan of the primary switches, usually expressed in millions of clicks.
    When it matters: When heavy clicking, long-term reliability, and avoiding early switch failure are part of the buying decision.

    Importance: MEDIUM

    Good value: >=70 million clicks

    Energy Sistem Esg M2 has a switch durability of 10 million clicks, while the average mouse has a switch durability of 30 million clicks.10 million clicks vs 30 million clicks
  • No firmware upgrades
    Energy Sistem Esg M2 does not support firmware upgrades, while the average mouse does. 72.8% of mice support firmware upgrades.
    What it is: Shows whether the mouse can receive firmware updates for fixes, compatibility improvements, or feature changes.
    When it matters: When you want the option for later fixes, stability improvements, or performance tweaks after purchase.

    Importance: LOW

    Energy Sistem Esg M2 does not support firmware upgrades, while the average mouse does. 72.8% of mice support firmware upgrades.
  • 83.5% lower tracking speed
    Energy Sistem Esg M2 has a maximum tracking speed of 66 IPS, while the average mouse has a maximum tracking speed of 400 IPS.
    What it is: The highest movement speed the sensor can track accurately before it starts losing precision, usually expressed in inches per second (IPS).
    When it matters: When you make very fast swipes and do not want the sensor to lose tracking.

    Importance: HIGH

    Good value: >=400 IPS

    Energy Sistem Esg M2 has a maximum tracking speed of 66 IPS, while the average mouse has a maximum tracking speed of 400 IPS.66 IPS vs 400 IPS
  • No automatic sleep mode
    Energy Sistem Esg M2 does not support auto-sleep, while the average mouse does. 63.2% of mice support auto-sleep.
    What it is: Shows whether the mouse automatically enters a low-power state after inactivity to reduce battery drain.
    When it matters: When battery life matters but you do not want to remember to power the mouse down every time you step away.

    Importance: LOW

    Energy Sistem Esg M2 does not support auto-sleep, while the average mouse does. 63.2% of mice support auto-sleep.
  • No receiver included
    Energy Sistem Esg M2 does not include a receiver, while the average mouse does. 62.4% of mice include a receiver.
    What it is: Shows whether a compatible wireless receiver is included in the box instead of needing to be bought separately.
    When it matters: When you expect full wireless use immediately and do not want to buy extra accessories just to get started.

    Importance: MEDIUM

    Energy Sistem Esg M2 does not include a receiver, while the average mouse does. 62.4% of mice include a receiver.
  • 36% lower maximum DPI
    Energy Sistem Esg M2 has a maximum DPI of 6,400 DPI, while the average mouse has a maximum DPI of 10,000 DPI.
    What it is: The highest sensitivity setting supported by the mouse sensor, measured in dots per inch (DPI).
    When it matters: When extremely high sensitivity is part of your setup, even if it matters less than sensor quality for most users.

    Importance: HIGH

    Good value: >=18000 DPI

    Energy Sistem Esg M2 has a maximum DPI of 6,400 DPI, while the average mouse has a maximum DPI of 10,000 DPI.6400 DPI vs 10000 DPI

Graphic comparison of Energy Sistem Esg M2 and

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Third-party reviews

(Reviews last updated: May 2026)

What customers like about Energy Sistem Esg M2?

  • Ergonomic and comfortable design, particularly suited for MOBA games
  • High level of customisation with 8 programmable buttons and configurable RGB LED lighting (6 effects)
  • Precise optical sensor with adjustable DPI ranging from 200 to 6,400
  • Durable Huano mechanical switches providing a fast and accurate response
  • High polling rate of 1000 Hz for better responsiveness compared to basic office mice
  • Includes extra internal weights for those who prefer a more stable feel
  • Good value for money with a robust 3-year warranty service

What customers dislike about Energy Sistem Esg M2?

  • Lower-end sensor performance compared to premium gaming mice, specifically a relatively low maximum tracking speed (66 IPS)
  • The build quality and finish may feel less premium or 'plasticky' according to some users
  • Button clicks can feel stiff or hard for some gaming styles
  • Optical sensor can be picky about surfaces, performing poorly on non-dark or non-standard mouse pads
  • Relatively heavy at 110g, which may not appeal to players who prefer ultra-lightweight mice
  • Similar designs may be available significantly cheaper through unbranded generic imports

Video reviews

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