High-Performance 3.7V 140mAh Li-Po Battery for Smart Wearables
Ultra-lightweight lithium polymer battery with stable 3.7V output, ideal for smartwatches, fitness trackers, and IoT devices. Precision-engineered with high-density energy storage and a durable aluminum alloy casing for heat dissipation. Features built-in PCB protection against overcharge, over-discharge, and short circuits. Slim 5.0x20x20mm design fits compact wearable tech, backed by 500+ charge cycles. Bulk pricing available for OEM/ODM orders. Globally certified (CE/RoHS) and shipped wholesale direct from factory. Upgrade your device’s power efficiency—order today.