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3.7V 5000mAh 115659 Lipo Battery Rechargeable Lithium Polymer Battery Pack with JST PH2.0mm Connector for Bluetooth Speaker, GPS, Smart Watch, Portable Devices

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Style: 115659 5000mAh


Features

  • [Compatibility Notice] CONNECTOR TYPE IS JST PH2.0MM (2-Pin, 2.0mm Pitch). Please verify the exact size, connector type, and polarity match your device before purchase. An incorrect match may damage your device or this battery.
  • [Package] Package includes 1x 115659 3.7V 5000mAh Lithium Polymer Battery with pre-attached JST PH2.0mm connector wires. size: 10 x 54 x 60mm / 0.39" x 2.13" x 2.36", Weight: 61g.
  • [Stable Power] Features a built-in PCM (Protection Circuit Module) for safety, providing protection against over-charge, over-discharge, short circuit, and over-current. Offers stable voltage output and low self-discharge rate, ensuring reliable power for your sensitive electronics.
  • [Safety Warning] Usage Guidelines & Important Warning - NOT designed for high-current devices like drones, RC cars/airplanes, power tools, or high-drain toys. Use only with a compatible 3.7V Li-Po charger. Avoid piercing, crushing, or exposing to extreme heat/fire. Keep away from children.
  • [Wide Range of Applications] Ideal for Various Portable Electronics - Perfectly powers a wide array of low to moderate current devices such as Bluetooth speakers/wireless headphones, GPS units, smart watches, baby monitors, digital cameras, portable POS systems, dash cams, VR glasses, pet trackers, and many other smart home or personal electronic devices.

Number of Batteries: 1 Lithium Polymer batteries required. (included)


Brand: Winfox


Battery Cell Composition: Lithium Polymer


Battery Capacity: 5000 Milliamp Hours


Recommended Uses For Product: Indoor/Outdoor


Number of Batteries: 1 Lithium Polymer batteries required. (included)


Brand: Winfox


Model Name: 115659 5000mAh


Manufacturer: Winfox


Battery Capacity: 5000 Milliamp Hours


Voltage: 3.7 Volts


Reusability: Rechargeable


Unit Count: 1.0 Count


Antenna Location: Indoor/Outdoor


Battery Cell Type: Lithium Polymer


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Top Amazon Reviews


  • Check polarity
Style: 602025 200mAh
Worked perfectly, did have to swap the wire polarity because it was backwards. Otherwise functions well
Reviewed in the United States on June 3, 2026 by Ethan S.

  • Ultra-Slim Power Solution for Low-Profile Custom Electronics Ultra-Slim Power Solution for Low-Profile Custom Electronics
Style: 385677 2500mAh
The Winfox 385677 is a specialized Lithium Polymer battery designed for applications where space is the primary constraint. At only 4mm thick, it is an ideal candidate for super flat builds like handheld GPS units or slim Bluetooth speaker retrofits. Capacity and Real-World Testing Measured Performance: In my bench testing, this battery delivered 2167mAh. While this is approximately 87 percent of the advertised 2500mAh capacity, it is actually a respectable result for the current LiPo market, where off-brand specs are often significantly overinflated. Stable Discharge: For low-to-moderate current devices, the voltage curve remains stable. As the manufacturer warns, this is not a high-discharge battery; it should not be used for high-drain devices like drones or RC cars, as the protection circuit (PCM) will likely trip or the cell will puff. Build and Integration The Super Flat Profile: The dimensions (4 x 54 x 80mm) are accurate. It is hard to find this much capacity in a footprint this thin, making it a great choice for anyone trying to avoid the bulk of standard 18650 cells. Connector Compatibility: The battery comes with a pre-attached JST-PH 2.0mm connector. While this works fine for most consumer electronics repairs, those of us in the DIY hobbyist space may prefer beefier JST-XH connectors for project-specific needs. Swapping them is easy enough, but always remember to cut and solder one wire at a time to avoid shorting the cell. Safety Features: The built-in PCM provides the necessary peace of mind for over-charge and over-discharge protection, which is vital when integrating these into custom enclosures. Pros Incredible Profile: One of the thinnest 2000mAh+ batteries available. Reliable Protection: Built-in PCM safeguards against common LiPo failures. Respectable Capacity: Achieving nearly 87 percent of the rated capacity is better than many competitors. Lightweight: At only 40g, it adds very little weight to portable gadgets. Cons Not for High-Drain: Strictly limited to low-current devices. Connector Specificity: Ensure your device uses the 2.0mm pitch PH connector and check the polarity before plugging it in. Final Verdict: 4/5 Stars The Winfox 385677 is a dependable, ultra-low-profile power source. While it does not quite hit the full 2500mAh mark, the 2167mAh I measured is more than enough for most small electronics projects. If your project needs to be as thin as possible without sacrificing too much runtime, this is a solid 4-star option. ... show more
Reviewed in the United States on March 19, 2026 Reviewed in the United States on March 19, 2026 by bd reviews

  • Esp32 project
Style: 503450 1000mAh
Worked perfect for my esp32 project
Reviewed in the United States on April 15, 2026 by Ksquires

  • Battery
Style: 602535 500mAh
Perfect fit, love it.
Reviewed in the United States on April 7, 2026 by Amazon Customer

  • Good Form Factor
Style: 115659 5000mAh
I use LiPo batteries in my ESP32 based projects and this 50000mAh pack is a great option for a portable project I have in mind. I’ll be 3D printing the case, so size is less of a concern, but the square (approx.) 2 1/8” X 2 1/8” form factor works well for what I’ll be building. It’s been charging at 0.6A for a little over an hour as I write this and it remains cool to the touch. I haven’t used this yet so can’t speak to actual capacity, but I have no reason to doubt the posted specs. Price is competitive with similar batteries from other sellers. ... show more
Reviewed in the United States on April 9, 2026 by SteveV

  • High-Capacity Power for Custom Projects High-Capacity Power for Custom Projects
Style: 115659 5000mAh
The 3.7V 5000mAh 115659 Lipo Battery is an excellent, high-capacity power solution for portable electronic DIY projects, such as LoRa mesh networking devices or custom Bluetooth speakers. Its most useful feature is the integrated Protection Circuit Module (PCM), which provides essential safety by preventing over-charging and ensuring the battery isn't drained to an unsafe voltage level. In my testing, the battery held a consistent charge and lived up to its rated 5000mAh capacity, making it a reliable choice for low to moderate current devices that require long-lasting, stable power without constant recharging. In terms of dimensions, this battery measures 10 x 54 x 60mm (roughly 0.39" x 2.13" x 2.36"), which is a significant detail to keep in mind; it is often larger than what standard 3D-printed cases are designed to hold, so you may need to adjust your enclosure designs. The pre-attached JST PH2.0mm connector offers great value for compatible boards, though you should double-check your device's port as some smaller electronics use a different pitch. The only issue was that there was a slate then in the battery from where the connector looked like it had hit into it. It would have been nice at battery was better protected. Overall, for the price, this is a heavy-duty, safe, and high-performing lithium polymer pack that provides substantial value for anyone building long-range trackers or smart home gadgets. ... show more
Reviewed in the United States on March 27, 2026 Reviewed in the United States on March 27, 2026 by Amazon Customer

  • A nice battery package A nice battery package
Style: 115659 5000mAh
I got this for powering microcontrollers. The JST connection on the pack makes it easy to disconnect when you have some parasitic draw and don't want to have to recharge the battery every few months when you aren't using it. This is the 5000mA battery, which should power this ESP32-3C for quite a while. One pic shows the ESP plugged into USB, so it is charging the battery at ~330mA, which is all this small charge circuit can provide. (The yellow wire is a voltage divider, since the ESP32-3C can't measure battery voltage internally) One caveat- I have run no capacity testing, so at this point am assuming that the listed capacity is correct. ... show more
Reviewed in the United States on March 19, 2026 Reviewed in the United States on March 19, 2026 by wandering_ traveler

  • Accurate description came at 4v Accurate description came at 4v
Style: 602535 500mAh
I ordered a 602535 500mah battery and that's what I got. I can't speak to capacity because I accidentally ordered the wrong connector. I needed a 602540 battery but I ordered this one as it's slightly smaller so it'll still fit in my NanoVNA-H antenna analyzer. I will need to solder a new connector to this battery but that's ok. That's my fault. I did measure the voltage of this 3.7v battery at 4v exactly so it came fully charged or just about fully charged. I've included photos of this battery and the current one in my NanoVNA-H. ... show more
Reviewed in the United States on March 20, 2026 Reviewed in the United States on March 20, 2026 by Tyler M

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