Portable Rechargeable Lithium Battery 3400mWh 1.5V Constant Voltage Charging Set with Fingerprint Lock
High-capacity 3400mWh lithium battery delivers long-lasting power for high-drain devices. Premium Li-ion cells ensure stable 1.5V constant voltage output, preventing damage to sensitive electronics. Advanced fingerprint lock technology secures battery access, ideal for child-safe toy applications. Compact and lightweight design enhances portability for travel or outdoor use. Precision-engineered charging set supports quick recharge cycles with built-in overcharge protection. Compatible with fingerprint door locks, LED flashlights, and digital cameras. Durable ABS casing with heat-resistant coating ensures safety and extended lifespan. Includes micro-USB cable for universal charging convenience. Bulk order discounts available for wholesale buyers.