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LCD Battery Charger E4 Bluetooth App by ESYB

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Product Details

E4 Bluetooth App LCD Battery Charger by ESYB

  • App control: Check and adjust its charging status at any time2.1 inches LCD screen display charging mode and battery status
  • 5V 1A USB output: Can be used as power bank to charge your devices
  • Compatible with Li-ion, LiFePO4, Ni-MH and NiCd batteries
  • Charges 4 batteries simultaneously, each of the 4 slots monitors and charges independently
  • 4 buttons to set the charging current and battery type conveniently
  • CC and CV two charging modes
  • Automatically stops charging when battery is fully charged
  • Activation function for Li-ion batteries with protection board
  • Reversed polarity / short-circuit / over-current / over-charge protection


  • Input: AC 100 - 240V 50 / 60Hz 1A (max)
  • Output voltage: 4.2V + / - 1pct, 3.6V + / - 1pct, 1.48V + / - 1pct
  • USB output: 5.0V + / - 5pct, 1A
  • Output current: Li-ion, LiFePO4: 0.25A / 0.5A / 1A / 2A; Ni-MH, NiCd: 0.25A

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