2 Pack 3.7V 18650 1s2p Rechargeable Battery, 5200mAh Lithium ion Battery Pack with JST-XH 2.54 2Pin Plug Connector for DIY Electronics, Solar Lighting, Toys, Bluetooth Speaker and Electronic Devices
Multiple Protection:such as over-charging, short-circuit, high-temperature, and surge protection. Lower down the risk caused by accident to minumum in production, shipping and your using period
Widely Compatibility: can be use for GPS, RC Car, Toys, Bluetooth Speaker LED Lamp and DIY Electronic Devices
2P 2.54 Socket. Red wire: positive pole(+), Black wire: negative pole(-)
1-Year Warranty, 60 days Refund or Replacement, 24/7 Friendly Customer Service