3.7V 90mah 350926 Rechargeable Lithium Polymer Battery Earphone Battery

3.7V 90mah 350926 Rechargeable Lithium Polymer Battery Earphone Battery

350926 3.7V 90mAh Rechargeable Lithium Polymer (Li-Po) Battery
Product Description

The 350926 3.7V 90mAh Rechargeable Li-Po Battery is an ultra-compact and lightweight lithium polymer battery designed for small portable electronic devices and low-power DIY projects. With its slim profile, high energy density, and reliable performance, this battery is an ideal power solution for wearable devices, wireless modules, Bluetooth accessories, IoT applications, and miniature electronics.

Featuring a 3.7V nominal voltage and 90mAh capacity, this rechargeable battery provides stable power output in a compact package. Its small size makes it suitable for applications where space is limited, while the lightweight design helps maintain portability in portable and embedded devices.

The battery can be supplied with wires or connectors depending on the requirement, making it easy to integrate into custom electronic designs.

Key Features
High-quality Lithium Polymer (Li-Po) rechargeable battery
Nominal voltage: 3.7V
Capacity: 90mAh
Ultra-thin and lightweight design
High energy density compared with traditional batteries
Stable voltage output
Low self-discharge rate
Suitable for compact electronic devices
Available with wires / connector options
Long cycle life with proper charging and usage
Technical Specifications
Specification Details
Battery Type Lithium Polymer (Li-Po)
Model Number 350926
Nominal Voltage 3.7V
Capacity 90mAh
Charging Voltage 4.2V
Battery Dimensions Approx. 26 × 9 × 3.5 mm
Weight Approx. 2g
Output Voltage Range 4.2V – 2.5V
Connector Wire / Connector option available
Rechargeable Yes
Chemistry Lithium Polymer

Applications
Bluetooth headsets
Smart watches and wearable devices
Mini GPS devices
Wireless sensors
IoT devices
Arduino mini projects
ESP8266 / ESP32 low-power projects
Portable electronics
Small robots
Medical and monitoring devices
DIY electronic gadgets
Charging & Safety Instructions
Use a dedicated 3.7V Li-Po charging module (such as TP4056 with protection).
Do not charge above 4.2V.
Avoid short-circuiting the battery terminals.
Do not puncture, bend, or damage the battery.
Keep away from heat and fire.
Charge and store in a safe environment.