TP-Link Tapo Battery Pack

Tapo Battery Pack
SPEC: 3.6V 6700mAh 24.12Wh, 1 × Micro USB Port
FEATURE: Rechargeable Battery, Works with Tapo Battery Camera & Doorbell, Short-circuit Protection, Over-voltage Protection, Over-current Protection, Over-charging Protection, Over-discharging Protection, Over-heating Protection, No memory effect