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4pcs 3.7V 1000mAh Lithium Rechargable Battery Lipo Batteries with Micro JST 1.25 Plug, Protection Board and Insulation Coating for Arduino Nodemcu ESP32 Development Board

4.2 out of 5 stars 153 ratings
Currently unavailable.
We don't know when or if this item will be back in stock.
Number of batteries 4 Lithium Ion batteries required. (included)
Brand MakerHawk
Battery cell composition Lithium Ion
Recommended uses for product Power Tool
Voltage 3.7 Volts

About this item

  • [Note]: The maximum operating current of this 3.7 V lipo battery is only about 1A, can not be used for unmanned aerial vehicles, model aircraft or power tools and other products that require high current. 2. Any problems, pls firstly click" seamuing" and choose "Ask a question", we will offer solution or replacement products.
  • [Usage]:This product interface is 1.25 pitch male, it can be applied for ESP32 Development Board WIFI Kits with 1.25 pitch male.
  • [Standard Charging Method]:Charging this battery to 4.25V at 0.2C constant current, then charge the battery at a constant voltage of 4.2V till it's charging current≤ 0.05C.
  • [Charge current time]:Standard Charging: 0.2C (8 hours); Fast charging: 0.5C (2.5 hours).
  • [Important Parameters]: Working Current:1.5 A; Size: 26 * 44 * 9 mm (1.02 * 1.73 * 0.35 inch); Weight: 16.4 g / pc.
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4pcs 3.7V 1000mAh Lithium Rechargable Battery Lipo Batteries with Micro JST 1.25 Plug, Protection Board and Insulation Coating for Arduino Nodemcu ESP32 Development Board
4pcs 3.7V 1000mAh Lithium Rechargable Battery Lipo Batteries with Micro JST 1.25 Plug, Protection Board and Insulation Coating for Arduino Nodemcu ESP32 Development Board
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PriceCurrently unavailable.£7.79-6% £4.39
Was: £4.69		£6.29
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Customer Ratings
4.24.2 out of 5 stars153
4.34.3 out of 5 stars381
4.44.4 out of 5 stars493
4.44.4 out of 5 stars1,006
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Product description

4pcs 3.7V Lithium Rechargable Battery, 802540 3.7V 1000mAh Battery with Protection Board andamp; Insulated Rubber Tape Matched with ESP32 Development Board WIFI Kits

Features:
1. Note: The maximum operating current of this battery is only about 1A, can not be used for unmanned aerial vehicles, model aircraft or power tools and other products that require high current.
2. This product interface is 1.25 pitch male, it can be applied for ESP32 Development Board WIFI Kits with 1.25 pitch male.

Specification:
Standard Voltage: 3.7V
Rated Capacity: 1000mAh
Weight: 17.96g
Working Current: 1.5A
Overcurrent protection: 2~3A
Overcharge limit pressure: 4.25±0.05V
Over-voltage limit pressure: 2.45±0.30V

Standard Charging Method: Charging this battery to 4.25V at 0.2C constant current, then charge the battery at a constant voltage of 4.2V till it's charging current≤ 0.05C.
Charge current time: Standard Charging: 0.2C (8 hours); Fast charging: 0.5C (2.5 hours).
The maximum charging current: 0.5C
Continuous Dishcarge Current: 0.5C
The maximum discharge current: 1C
End-off voltage: 2.75V/pcs
Allowable charging temperature: 0℃ ~ +45 ℃
Allowable discharge temperature: -10 ~ +60 ℃
Allowable storage temperature: -10 ~ +40 ℃( within 3 months); -10 ~ +30 ℃ ( within 6 months).

Package Including
4 * 1000mAh 802540 3.7V Lithium Rechargable Battery

Product information

Technical Details

Brand ‎MakerHawk
Product Dimensions ‎4.5 x 2.5 x 1 cm; 17.96 g
Batteries ‎4 Lithium Ion batteries required. (included)
Manufacturer reference ‎0Q144YUNP8K051TAH15V52G92
Manufacturer ‎MakerHawk
Wireless Type ‎802.11a
Voltage ‎3.7 Volts
Are Batteries Included ‎Yes
Lithium Battery Energy Content ‎3.7 Watt Hours
Lithium Battery Packaging ‎Batteries only
Lithium Battery Weight ‎0.3 g
Number Of Lithium Ion Cells ‎1
Item Weight ‎18 g
Guaranteed software updates until ‎unknown

Additional Information

ASIN B07CYMYMS9
Customer Reviews
4.2 out of 5 stars 153 ratings

4.2 out of 5 stars
Date First Available 9 May 2018

Warranty & Support

Amazon.com Return Policy:Regardless of your statutory right of withdrawal, you enjoy a 30-day right of return for many products. For exceptions and conditions, see Return details.

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4pcs 3.7V 1000mAh Lithium Rechargable Battery Lipo Batteries with Micro JST 1.25 Plug, Protection Board and Insulation Coating for Arduino Nodemcu ESP32 Development Board

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Customer reviews

4.2 out of 5 stars
153 global ratings

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Customers say

Customers find the battery works well and holds charge effectively. They appreciate its quality and solid construction, with one customer noting it's ideal for small portable devices. The capacity receives mixed feedback, with several customers reporting very low capacity.

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4 customers mention ‘Functionality’4 positive0 negative

Customers report that the batteries work great.

"...I'm yet to see how long it lasts but so far it works great." Read more

"...it works great!" Read more

"Great value, work as expected...." Read more

"Works fine..." Read more

3 customers mention ‘Charge retention’3 positive0 negative

Customers report that the batteries hold their charge well.

"...is a fantastic fit for modifying a Game Boy Colour to have a rechargable battery. I'm yet to see how long it lasts but so far it works great." Read more

"Seem well made, had no issue with cells spitting. Holds charge well and no sign of cells over heating" Read more

"Used for home made electronics projects. Retains charge well." Read more

3 customers mention ‘Fit’3 positive0 negative

Customers like how the batteries fit, with one mentioning they are perfect for modifying a Game Boy Pocket and another noting they are ideal for small portable devices.

"This battery is a fantastic fit for modifying a Game Boy Colour to have a rechargable battery...." Read more

"Ideal for small portable devices." Read more

"Perfect fit for my modified Gameboy pocket..." Read more

3 customers mention ‘Quality’3 positive0 negative

Customers find these batteries to be of great quality and solid construction.

"Seem well made, had no issue with cells spitting. Holds charge well and no sign of cells over heating" Read more

"Great quality.Really thick and solid.Very impressed with the price.👍👍👍👍..." Read more

"Good product..." Read more

3 customers mention ‘Battery capacity’0 positive3 negative

Customers report issues with the battery capacity, noting it is very low, and one customer mentions it is quite thick.

"...application, I originally trialled these batteries, but the they're quite thick and this meant that I would end up with a thicker device that I..." Read more

"Very low capaity considering the rated value...." Read more

"...So 1 star is for inaccurate description and poor vfm." Read more

Great for Game Boys
5 out of 5 stars
Great for Game Boys
This battery is a fantastic fit for modifying a Game Boy Colour to have a rechargable battery. I'm yet to see how long it lasts but so far it works great.
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Top reviews from United Kingdom

  • Dan Evans
    5.0 out of 5 stars Great for Game Boys
    Reviewed in the United Kingdom on 17 February 2021
    Verified Purchase
    This battery is a fantastic fit for modifying a Game Boy Colour to have a rechargable battery. I'm yet to see how long it lasts but so far it works great.
    Customer image
    Dan Evans
    5.0 out of 5 stars
    Great for Game Boys

    Reviewed in the United Kingdom on 17 February 2021
    This battery is a fantastic fit for modifying a Game Boy Colour to have a rechargable battery. I'm yet to see how long it lasts but so far it works great.
    Images in this review
    Customer image
    Helpful
     Report
  • James Wheeler
    5.0 out of 5 stars Perfect fit for my modified Gameboy pocket
    Reviewed in the United Kingdom on 16 October 2020
    Verified Purchase
    I was able to fit this in nicely with a charging board inside my Gameboy pocket. it works great!
    Customer image
    James Wheeler
    5.0 out of 5 stars
    Perfect fit for my modified Gameboy pocket

    Reviewed in the United Kingdom on 16 October 2020
    I was able to fit this in nicely with a charging board inside my Gameboy pocket. it works great!
    Images in this review
    Customer image
    7 people found this helpful
    Helpful
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  • Ade
    3.0 out of 5 stars Slightly inconvenient form factor
    Reviewed in the United Kingdom on 30 December 2021
    Verified Purchase
    For my particular application, I originally trialled these batteries, but the they're quite thick and this meant that I would end up with a thicker device that I wanted.

    I went down a different route with a form factor that is pretty standard, and although bigger in x & y, crucially the depth was smaller.

    These may fit other applications, and in all respects the batteries were great, just not for this particular project.

    I will add that the wires on these seem to be quite low quality and incredibly difficult to crimp reliably, so you may need to factor that in if you go for these batteries.
    Helpful
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  • Mark_E
    4.0 out of 5 stars possibly 750 mAh but no way 1Ah
    Reviewed in the United Kingdom on 14 April 2021
    Verified Purchase
    These are on their 5th or 6th recycle and have improved now to about 750 mAh from 600mAh initially. I suspect if you overcharged at too high a rate initially you would easily damage them. They are not in my opinion delivering the stated 1Ah.
    2 people found this helpful
    Helpful
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  • c.brown
    5.0 out of 5 stars Holds a good charge
    Reviewed in the United Kingdom on 1 October 2019
    Verified Purchase
    Seem well made, had no issue with cells spitting. Holds charge well and no sign of cells over heating
    10 people found this helpful
    Helpful
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  • baza
    5.0 out of 5 stars Great value, work as expected.
    Reviewed in the United Kingdom on 8 August 2020
    Verified Purchase
    Perfect little batteries. Very small connector though. I was hoping for the next size up.
    Do the job..
    11 people found this helpful
    Helpful
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  • Paul Brace
    5.0 out of 5 stars Good product
    Reviewed in the United Kingdom on 11 July 2021
    Verified Purchase
    Used for home made electronics projects. Retains charge well.
    Helpful
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  • G8YTZ
    1.0 out of 5 stars Check the connector polarity carefully, be aware that there is no inline fuse in these batteries.
    Reviewed in the United Kingdom on 22 April 2020
    Verified Purchase
    I don't exactly know what to say about this. I bought these batteries for nanoVNA. Before I connected them I checked the connector polarity with that on the nanoVNA. Well it was incorrect, so had I connected before checking I would have almost certainly have given my nanoVNA the electronic equivalent of an electric chair!

    it's easy enough to swap the pins over in the connector, but do check before connecting to any device. To be clear other manufacturers on Amazon selling this type of battery and they also appear to be wired the same way, so I don't know who is right or wrong.

    I did a little test on one of these batteries to see if the were fused, by briefly shorting the leads my conclusion is that they are not fused, so could pose a fire risk if the terminals are shorted out, this potential safety issue is why I have only awarded one star.
    5 people found this helpful
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