Dan Force BOLD-S HEADLAMP - Battery Specifications; Battery Details and Charging Requirement

To use the Bold-pro with the best performance, use only MSFORCE
batteries. Use only 18650 3.7v lithium-ion batteries.
Prior to rst use fully charge the baeries.
Rechargeable Baeries specs:
Model: MsForce 18650 Li-ion battery
Capacity: 2200 mAh
Voltage: 3.7 V
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C. Baeries