The i4 universal smart charger is compatible with almost all rechargeable Li-ion batteries on the market , with An integrated digital LED light that displays the charging status – red when charging and green when fully charged.
The charger Features micro USB input and Integrated power management system Intelligently detects power Input, Each of the four battery slots monitors and chargers independently.
Input: Micro USB DC 5V, 2A
Output:4.2v, 0.5A for each slot
Overtime and reverse polarity protection
1 x BA4 Charger Body
1 x Charging Cable