Blackcell BU2 USB Battery Charger

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SKU:blc-bu2 ,Availability:


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The BU2 is a smart USB charger, which is compatible with most cylindrical rechargeable batteries on the market. The integrated 2A charging port is fast charge capable.

The BU2’s USB output function allows the charger to be used as an external charging station whilst the automatic detection system can detect Li-ion, Ni-MH and Ni-Cd batteries as well as selecting the best charging mode for each battery. The BU2 has three LED display lights, which clearly display the current charging operations.

Blackcell BU2 Charger Specs:

  • Input Voltage: DC USB5V 2A
  • Output Voltage: 1.42V+0.05, 4.2V+0.05V
  • Output Current: 500mA*2/100mA*2/2000mA*1
  • Output USB: 5V/100mA
  • Charging Mode: Constant Current and Constant Voltage
  • Size: 111*46*32.5mm
  • Weight: 60g
  • 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
  • Input Type: USB
  • USB Output Load Voltage: 4.90-5.30V
  • Output Current: 1000mA
  • Floating Current: <1mA
  • Compatible with Li-ion, Ni-MH and Ni-Cd rechargeable batteries.
  • 5V/1000mA USB automatic identification output, as standard.
  • Two independent, micro-controlled charging slots allow for simultaneous charging.
  • Battery type and status automatically detected.
  • Select the appropriate voltage and charge mode.
  • Features reverse polarity and short circuit protection.
  • Integrated overcharging, overheating, over-voltage, over-current, and discharge protections.
  • Optimally designed for heat dissipation.
  • Certified by CE, RoHS, and FCC.
  • 3 LEDs display the charging status. (30% 70% 100%)
  • When no batteries are installed, the three LEDs will flash and then off one after the other when the charger connected to a power source.
  • When a faulty battery is inserted, the three LEDs will flash at the same time to alert you.
  • During the charging process, the three LEDs light up one by one, and will all remain light up until the charging is completed.
  • 1A or 2A input, Intelligent chip, automatically stop charging when batteries are fully charged.
  • Fully charged testing: -DV, 0DV testing charging time controlling, maximum voltage testing.

Blackcell BU2 Charger Package Contents:

  • 1 x Blackcell BU2 USB Charger

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