Blackcell BU1 single Bay 18650 + More Charger


In stock

Blackcell BU1 single Bay 18650 + More Charger

SKU HA-BLA-CHAB-U01 Categories , Tags , , , , ,


The BU1’s integrated USB output function allows the charger to be used as an external charging station. The BU1’s automatic detection system can detect Li-ion, Ni-MH and Ni-Cd batteries whilst also selecting the charging mode for each independent battery. The BU1’s three LEDs clearly display the current charging operations.



Input power supplyMicro USB DC5V 2A
Output Voltage1.48V, 4.2V±0.01V
Output USB5V/1000mA
Output current2000mA/1000mA/500mA
Constant voltage cutoff current<100mA
External power supply standby current<15.0mA
Weight58.5g(Charger Only)
Compatible withIMR/Li-ion: 20700,21700, 26650, 22650,18650,18490,18350,17670,17500,16340(RCR123),14500,10440 Ni-MH/Ni-Cd: AA,AAA,AAAA,C


USB Output

  • USB output 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 voltage:3.0±0.1V


Button and LED

  • Keep the button pressed for 2 seconds to switch the charging current from 1000mA to 2000mA.
  • All LEDs will light up when the charger connected to a 5V power supply. If no Batteries are inserted, the LEDs will turn off.
  • Batteries are automatically detected by type and will start charging once inserted. The LEDs will flash, showing the battery‘s current power.
  • Without the power cable connected, insert a battery to check the remaining charge. (LED will turn off within 5 seconds, press button once to display once more)
  • USB output: The power indicator light will stay lit for 10 seconds after a battery is connected.



  • Micro USB, DC 5V input,,Micro-controller management system.
  • 1000mA /2000mA for Li-ion battery, and 500mA for Ni-MH batteries.
  • LED display charging status 30%, 70%, 100%.
  • Battery type (Ni-MH and Ni-Cd 1.2V Li-ion 3.7V)
  • Automated detection of Li-ion and Ni-MH batteries.
  • 0V voltage activation capabilities. Trickle charge will be enabled when the battery voltage is below 1.65-1.85V.
  • Integrated overcharging, overheating, overvoltage, overcurrent, and discharge protections.
  • Faulty battery and reverse polarity protection.
  • Charging mode: constant current and voltage
  • DC input, the power supply is 5V 2A (Micro plug).
  • Automatically detect USB 5V/1000mA output.
  • Certified by CE, ROHS, and FCC.



  • The product is for use specifically with Lithium, Ni-Cd and Ni-MH batteries only. Charging other batteries can potentially lead to an explosion, broken or leaking batteries, personal injury or property damage.
  • Incorrect use of the charger may lead to an electric shock.
  • The BU1 charger should only be used indoors or inside a vehicle. Under no circumstances should it be exposed to water, high humidity, and low or high ambient temperatures.
  • Do not disassemble or modify the charger.
  • Please use an appropriate AC voltage 100-240 V.
  • No BlackCell products are intended for use by anyone under the age of 18.
  • The safe operating temperatures are between 0°C-35 °C 32°F-95°F.
  • Do not drop or rest heavy items on the unit.
  • If any problems arise with either the batteries or charger, unplug the power cord immediately.