Li-Po Akku 1S 3,8V 300mAh 30C JST-PH 2.0mm 2-P VAPEX 2LP001D

Li-Po Akku 1S 3,8V 300mAh 30C JST-PH 2.0mm 2-P VAPEX 2LP001D Li-Po Battery 1S 3,8V 300mAh 30C JST-PH 2.0mm 2-P VAPEX LiPo 1S 3.8V 300mAh 30C 2-Pack Battery
This is a double pack (two batteries are included) of a small 1S LiPo battery made for small airplanes and some drones. The connector is a JST PH with 2.0 mm pitch (the distance bewtween the two connector pins).

Specs:1S 3.8V 30C LiPo Micro Battery
Capacity: 300mAh
Power: 1Wh
Connector: JST PH 2.0mm 2P (the connector is also called UMX "Big", MCPX, mCPX or MCP-X)
Size: L61.5 (L66 including connector) x W11.5 x H6.2 mm
Weight: 7.5g (each)