3.7V 150mAh 302030 LiPo Battery

3.7V 150mAh 302030 LiPo Battery

302030 3.7V 150mAh Rechargeable Lithium Polymer (Li-Po) Battery
Product Description

The 302030 3.7V 150mAh Rechargeable Li-Po Battery is a compact and lightweight energy solution designed for portable electronic devices, IoT applications, robotics, and DIY electronics projects. With its slim 30mm × 20mm × 3mm form factor, this lithium polymer battery is ideal for applications where space-saving design and reliable power performance are required.

Featuring a 3.7V nominal voltage and 150mAh capacity, this rechargeable battery provides stable power output and excellent energy density compared with traditional battery technologies. The flexible pouch-cell design allows easy installation inside compact devices such as wearable electronics, wireless sensors, Bluetooth accessories, and miniature robotic systems.

The battery can be used with suitable Li-Po charging circuits such as the TP4056 charging module, making it a practical power source for custom electronic projects and embedded systems.

Key Features
High-quality Lithium Polymer (Li-Po) rechargeable battery
Model: 302030
Nominal Voltage: 3.7V
Capacity: 150mAh
Ultra-thin and lightweight design
High energy density
Stable voltage output
Low self-discharge rate
Rechargeable for multiple cycles
Compact pouch-cell construction
Suitable for space-limited applications
Available with wire leads / connector options
Technical Specifications
Specification Details
Battery Type Lithium Polymer (Li-Po)
Model Number 302030
Nominal Voltage 3.7V
Capacity 150mAh
Energy Approx. 0.56Wh
Charging Voltage 4.2V
Battery Dimensions 30 × 20 × 3 mm
Weight Approx. 3g
Output Voltage Range 4.2V – 2.5V
Connector Wire Leads (Depending on Version)
Rechargeable Yes
Protection Circuit Available with PCM Protection

Applications
Arduino mini projects
ESP32 / ESP8266 low-power devices
IoT sensors
Wearable electronics
Smart watches
Bluetooth devices
Wireless communication modules
Mini robots
RC models
GPS tracking devices
Portable electronic gadgets
DIY embedded systems
Small LED projects
Charging & Safety Instructions
Use a dedicated 3.7V Li-Po charging module.
Maximum charging voltage: 4.2V.
Do not overcharge or deeply discharge the battery.
Avoid short circuits between terminals.
Do not puncture, bend, or damage the battery pouch.
Keep away from heat, fire, and moisture.
Store in a cool and dry place when not in use.