BATTERY-18650

Beston 70M-35 rechargeable Lithium-ion battery pack. These are specialized batteries designed for high-drain devices like flashlights or headlamps. ​Key Specifications ​Capacity: 3500mAh (milliamp-hours), which is quite high for this size, providing long runtimes. ​Energy: 13000mWh (13Wh). ​Voltage: 3.7V (standard for Li-ion). ​Charging: These feature a Micro-USB input directly on the battery itself, meaning you don't need a separate wall charger; you can plug a cable directly into the battery