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3.7V 2600mAh Rechargeable Li-ion Battery, PH2.0 2-Pin Connector, Replacement Battery for DIY Electronics, Toys, LED Lighting & Bluetooth Devices

  • Based on 70 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Aug 28 – Oct 1
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Style: 2600mah PH2.0


Features

  • Long-Lasting & Portable Power2600mAh rechargeable 18650 Li-ion battery delivers 3.7V output (9.62Wh), providing long-lasting energy for flashlights, electronics, RC toys, and DIY projects. Compact size (66x16x21mm) with lightweight 46g design ensures portability without sacrificing performance.
  • Connector & Safety TipsEquipped with PH2.0/2P plug (Red = Positive +, Black = Negative ). Please confirm polarity, size, and voltage before installationreversing polarity may cause device damage. Always use a compatible charger for safe recharging.
  • Reliable & Consistent PerformanceBuilt with premium cells, this 18650 battery maintains steady voltage for smooth device operation. Ideal replacement for original batteries, reducing unexpected shutdowns during everyday or outdoor use.
  • Durable & RechargeableSupports hundreds of charge-discharge cycles with minimal capacity loss. Li-ion technology offers superior safety, energy density, and efficiency, making it a cost-effective and eco-friendly choice over disposable batteries.
  • Wide CompatibilityUniversal 18650 form factor with PH2.0/2P connector makes it suitable for LED flashlights, headlamps, RC cars, remote controls, speakers, and small electronics. Perfect backup power for versatile household and hobby applications.

Description

Stay powered longer with our 3.7V 2600mAh lithium ion rechargeable battery, designed for consistent, long-lasting performance. Perfect for DIY electronics, Bluetooth devices, toys, and LED lighting, this high-capacity battery ensures stable energy supply with intelligent IC protection that prevents overcharging, over-discharging, and short circuits. Whether for home use or portable tech, it's a dependable energy solution you can count on. Our rechargeable 3.7V Li-ion battery features an explosion-proof casing and built-in safety valve to effectively protect against internal pressure, shock, and external impact. This design helps prevent short-circuiting and ensures safe use in all environments—ideal for projects involving movement or vibration like remote control toys, speakers, or handheld devices. Safety meets reliability for your peace of mind. This 3.7V rechargeable battery with PH2.0/2P connector is compatible with a wide range of 3.7V devices, including Bluetooth speakers, game controllers, microphones, LED lights, and DIY gadgets. Easy to install and reliable in performance, it’s the perfect replacement or upgrade for your old battery. Enjoy seamless connectivity and extended usage time across all your favorite electronics.

Number of Batteries: 1 A batteries required. (included)


Brand: AKZYTUE


Battery Cell Composition: Lithium Ion


Battery Capacity: 2600 milliamp_hours


Recommended Uses For Product: Indoor/Outdoor


Number of Batteries: 1 A batteries required. (included)


Brand: AKZYTUE


Model Name: LX-J2AC-2QXT


Manufacturer: AKZYTUE


Battery Cell Type: Lithium Ion


Battery Capacity: 2600 milliamp_hours


Voltage: 3.7 volts_of_alternating_current


Reusability: Yes


Unit Count: 1 Count


Battery Weight: 50 g


Antenna Location: Indoor/Outdoor


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Aug 28 – Oct 1

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Works great
Great replacement for my solar powered garden lights
Reviewed in the United States on March 28, 2026 by Donald L Pelletier

  • Great
Absolutely perfect. Holds charge for days, awesome purchase.
Reviewed in the United States on July 23, 2026 by John E.

  • Perfect replacement
Perfect replacement for wifi speakers
Reviewed in the United States on July 17, 2026 by MOE

  • good product... good price....
i bought this for my son school project. works great but battery life did not last long. otherwise all good
Reviewed in the United States on January 20, 2026 by Shitalkumar Patel

  • Not sure
Not sure if it was my appliance or if the battery was no good. Do not hold a charge not worth it
Reviewed in the United States on May 27, 2026 by Amazon Customer

  • Perfect replacement
Perfect replacement. Size and wiring were exactly what was needed
Reviewed in the United States on May 30, 2026 by Michael

  • Battery
It was shipped and delivered as promised. It was installed and functions properly.
Reviewed in the United States on May 11, 2026 by Scott Weems

  • Check it first!
FYI My battery was wired backwards. Red was negative and Black was positive. Please check with a meter once you get it. Works great after I re-wired it.
Reviewed in the United States on July 19, 2026 by Thomas E.

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