Opus BT-C3100 V2.2 4-Slot Battery Charger for Li-ion/NiMH/NiCd

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The Opus BT 4-Slot Battery Charger features 4 different working modes modes to ensure a better battery charge.


With four available working modes on the Opus, you are able to charge, discharge, test and quick test your batteries. The overheating protection on the battery charger enables you to safely charge and recharge batteries without potentially overheating and damaging the Opus or the batteries.

This charger features four working modes, charge/discharge/test/quick test and refresh. It is ideal for office and home use.

Charging Current

Selected for 200mA, 300Ma, 500mA, 700mA and 1000mA (1500mA and 2000mA can only be applied when only slot 1 or 4 is selected). Default discharging current is 500mA.

Four Slots Design

You can charge batteries of different type and size and with different capacity at the same time.

Overheat Protection

To protect rechargeable batteries and charger itself from overheating.

Four Working Modes Available

Charge, discharge, test, quick test and refresh.

LCD with Back Light

To display battery voltage, charge/discharge current, charging time, battery capacity etc.

Designed for

For AA (LR6) and AAA (LR3NiCd, NiMH or 3.7V Li-ion rechargeable batteries in size type of 10440, 14500, 16340, 18500, 18650, 26650, 26500.


Ideal for both office and home use.


Model BT-C3100 V2.2
PlugUS adapter
Charging Cell TypeNi-MH, NiCd, Lithium Ion
Compatible10440, 22650, 10340, 18650, 16340, (RCR123), 14500, 26650, 18500
Rechargeable Battery Qty4
Input VoltageAC 100-240V 50/60Hz
Output VoltageDC 12V 3.0A
LCD ScreenYes
Auto Circuit DetectionYes
Built-in Protected CircuitYes
Over Voltage ProtectionYes
Short-Circuit ProtectionYes
Over-Charging ProtectionYes
Over-Discharging ProtectionYes
Package Weight350g
Package Size16L x 22W x 5H cm
Package Contents 1 x Battery Charger, 1 x Power Adapter
More Information
SKU ZP3051000415001
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