Power Pack Battery UPS for Raspberry Pi
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Uninteruptible Power Supply Battery Expansion Board For the Raspberry
Feature:
Battery capacity: 3800mAH Maximum
Output current: 1.8A (Pi3 requires 2.5A)
Output voltage: 5.1V ± 0.1V
Double USB output
On/Off switch
UPS Battery Pack can be charged while running the Pi
Standard charging current / voltage: 1.0A/5.0V
Typically it can last about 9 hours if only used on a bare pi 3.
The Lithium battery expansion board can be also used on cellphone.
Note:
You can charge this battery even if the switch is turned off.
NB: Raspberry Pi main board is not included!!!