30mAh 3.7V Rechargeable Li-Polymer Battery For TWS Bluetooth Headsets Smart Watches and More Assembly

Specification:

• Battery Type: Rechargeable lithium-polymer (Li-Po)
• Nominal Voltage: 3.7V output
• Capacity: 30mAh small-scale storage
• Applications: TWS earbuds, smart watches, mini devices
• Protection: No built-in BMS (requires external circuit)
• Material: Lightweight polymer casing
• Size: Approx. 10 × 10 × 4mm compact dimensions
• Weight: Ultra-lightweight about 2 grams
• Charge Cycle: 300+ recharge cycles lifespan
• Use Case: Portable assembly and wearable electronics

Description:
The 30mAh 3.7V Rechargeable Li-Polymer Battery is an ultra-compact power solution for TWS earbuds, smartwatches, and other miniature devices. With its lightweight polymer casing and small size, it is perfectly suited for portable assembly projects. Though it does not include an integrated BMS, it can be paired with external protection circuits for safe operation. Reliable and durable, this battery supports over 300 recharge cycles, making it ideal for modern wearable electronics.