Geekcreit® V1.0 Lithium Battery Expansion Board For Cell Phone / Raspberry Pi 3 Model B / Pi 2b / B+

Feature: Battery capacity: 3800mAH Maximum output current: 1.8A Output voltage: 5.1V 0.1V Double USB output Standard charging current / voltage: 1.0A/5.0V It can last about 9 hours if only pi 3. The Lithium battery expansion board can be also used on cellphone. Note: You can charging this battery even if the switch is turn off. Raspberry Pi main board is not included... Package included: 1 x V1.0 Lithium Battery Expansion Board