High-Capacity 3.7V Rechargeable Lithium-Ion Battery
Premium 802040 lithium-ion cell with 680mAh capacity ensures long-lasting power for compact electronics. Precision-engineered with high-grade Li-ion materials for stable voltage output and minimal self-discharge.
Ultra-Slim & Lightweight Design
Measuring just 8.0×20×40mm, the sleek form factor fits space-sensitive devices like mini drones, Bluetooth headsets, and handheld medical gadgets.
Enhanced Safety & Durability
Features built-in PCB protection against overcharge, short-circuit, and overheating. Robust steel casing resists corrosion for extended cycle life (500+ charges).
Multi-Device Compatibility
Ideal for replacing OEM batteries in digital thermometers, laser pointers, LED flashlights, and IoT sensors. Pre-soldered tabs for easy DIY installation.
Bulk Order Advantage
Factory-direct pricing with volume discounts—supports wholesale procurement for resellers and OEMs. Complies with international shipping standards.
Global Stock Ready
Fast dispatch from worldwide warehouses. No MOQ restrictions—order 1 unit or 10,000+ with equal efficiency.