4 In 1 Lithium Battery Expansion Board + V35 Acrylic Box + Pi Fan + Heatsink Kit For Raspberry Pi

Double USB Output Lithium Battery Expansion Board With Switch For Raspberry Pi 3B/2B/B+
 For Lithium Battery Board (Lithium battery expansion board):  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.

The other three items V35 acrylic case、  Pi fan and Heatsink can be used with Raspberry Pi 3 Model B.
Note:

You can charging this battery even if the switch is turn off.

This kit is not included Raspberry Pi.

Package included:
 1 x Lithium Battery Expansion Board1 x V35 Acrylic Case1 x Mini Pi Fan1 x Heatsink Set1 x USB Cable