Emergency Charger With Switch Battery Box

$0.99

Product information: Type: Emergency Charge The design is based on 4 batteries, the most common AA battery Built-in protection circuit, when the battery in the charger is exhausted or the device's lithium battery is full, the charger will automatically disconnect and stop charging! Built-in DC-DC boost circuit, conversion efficiency is 88%~~93% Input voltage: 2.0-3.0V Output voltage: 5.0V Output current: 700MA maximum