Dual USB 5V 1A/2A Mobile Power bank Charger board module
Input: Micro USB 5.0V ± 0.5V/1A charge the battery
Output voltage: USB 5.0V ± 0.5V
Output Current: 1A/2A
Connect 3.7V 4.2V li-ion battery to the soldering point or the battery jack,Activate the circuit by
charging with a micro USB adapter,When step up circuit is not activated due to protection circuit
of the battery, simply release the protection circuit by inputing a 5V to charging terminals.
USE for 18650 battery or 3.7V lithium battery
Never reverse the connection polarity.
1X 3.7V TO 5v power module
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