The Blackcell BU4 Charger is a diverse quad bay charger able to charge different sized cells!
The BU4 charger is diverse, able to charge 18650, 20700, 21700, and 26650 cells. With a microcomputer-controlled charging system just like its baby brothers, it automatically detects (NI-MH) batteries and Li-ion batteries as well.
Input Voltage: DC USB5V 2A
Output Voltage: 1.42V+0.05V, 4.2V+0.05V
Output current: 500mA*2/1000mA*2/2000mA*1
Constant voltage, cutoff current: ＜100mA
External power supply standby current: <15.0mA
Compatible with: IMR/Li-ion: 26650, 22650, 18650, 18400, 18350, 17670, 17500, 18340, 14500, 10440, 21700, 20700; Ni-MH/Ni-Cd: AA, AAA, AAAA, C
Output USB: 5V/1000mA
USB output load voltage: 4.90-5.30V
Output current: 1000 mA
Floating current <1mA
When the load current is at 1000mA, the USB output voltage is:between 4.75-5.25V
Cutoff output protected voltage:3.0±0.1V
1x Blackcell BU4 USB Charger
1x USB Cable