V1.0 Lithium Battery Expansion Board For Cellphone / 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 outputStandard 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