3.7V 250mAh 402030 Rechargeable Lithium Polymer Battery 2-Pack

This 3.7V 250mAh 402030 lithium-polymer battery is a rechargeable battery pack suitable for a variety of 3.7-5V electronic products, including Bluetooth headsets, watches, and other devices. Branded as OXWINOU, this replacement battery can be used for applications such as Bluetooth earphones, mobile power banks, MP3/MP4 players, GPS trackers, and more.

Specifications: - Brand: OXWINOU - Battery Part Number: 402030 - Type: Rechargeable Li-Polymer Battery - Chemistry: Lithium-Polymer - Voltage: 3.7V - Capacity: 250mAh - Size: 4 x 20 x 30mm (0.157 x 0.787 x 1.22 inches)

This battery features reliable performance, with no leakage, excellent cost-effectiveness, and a long cycle life. It includes PCM protection against overcharge, over-discharge, overcurrent, short-circuit, and over-temperature.

The low self-discharge rate of lithium-polymer technology makes this battery suitable for a wide range of applications, including toys, lighting, and electric tools. It can be used as a replacement for various electronic devices, such as aircraft, speakers, car DVRs, Bluetooth earphones, mobile power banks, MP3/MP4 players, GPS trackers, remote controllers, smart watches, and more.

When replacing your old or broken battery, please ensure that the positive (+) and negative (-) terminals are correctly aligned. You can refer to YouTube videos for installation instructions if needed. If the existing battery does not have a compatible connector, you can cut and solder the plug directly or use the provided heat-shrink insulating sleeve to connect the wires of the same color.

The 402030 lithium-polymer battery is composed of a high-capacity lithium cell, a Japanese Seiko IC overcharge and overcurrent protection board, a 3302-26 high-temperature resistant silicone cable, and a genuine JST Pitch 1.25mm 2-pin connector module. This robust design helps prevent overcharge, overdischarge, overcurrent, and short-circuit, ensuring reliable and safe operation.

Whether you're looking to power your DIY electronic projects, Bluetooth headsets, mobile devices, or other electronics, this 3.7V 250mAh 402030 lithium-polymer battery from OXWINOU is a reliable and versatile choice. Upgrade your devices with this branded, high-quality replacement battery for a seamless and worry-free experience.

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