Small two channels USB charger. Solar panel(5.0V/0.5A) could be used as power supplier for MP2s
Charge for 3.0V/3.2V, 3.6V/3.7V Li-ion battery
Applicable to 16340/18350 and LiFePO4 batteries with out spacer; charge for 15270（CR2）Li-ion battery with spacer
Ideal 0.4A charging current for single low capacity batteries, 0.25A charging current for two batteries.
Mini USB input interface, convenient to charge anywhere.
Undervoltage lockout function
0V activation function，LED flashes red
CC/CV charging system, real-time battery monitoring system.
Reverse-polarity and short-circuit protection circuit
Low charging current to avoid damage from large charging current when start charging