Opus BT-C3100 V2.2 Digital Intelligent 4 Slots Charger


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Opus professional universal charger for round cells BT-C3100 V2.2 for Li-Ion, NIMH, NiCd batteries

Basic features of the BT-C3100 V2.2:

Charging and discharging of NiCd, NiMH or 3.6V – 3.7V lithium-ion batteries
Optimization and determination of the maximum capacity of the batteries
Each charging slot has its own display for showing: charge current, battery voltage, capacity, internal resistance and time.
Charging current is selectable with 200mA, 300mA, 500mA, 700mA, 1000mA (and if only slots 1 and 4 are used 1500mA and 2000mA) for each slot individually
Discharge current NiMH/NiCd batteries 700mA even if 1000mA is selected
Discharge current for Li-Ion batteries 200mA, 300mA, 500mA, 700mA or 1000mA
4 intelligent, independently working charging slots
Charging of different batteries of different types, sizes or capacities possible at the same time
Tickle trickle charge for NiMH/NiCd batteries, Li-Ion batteries are fully terminated.
Temperature monitoring, with automatic fan to protect batteries and charger from overheating


The BT-C3100 V2.2 professional charger is an analysis Li-Ion and NiMH charger. The charger can both charge and discharge, thus bridging the gap between the simple, universal Li-Ion, NiMH chargers and the much more complex and feature-rich “model chargers”.

The following Li-Ion, NIMH and NiCd battery types can be charged:
Li-Ion: 10440 / 16340 / 14500 / 14650 / 16650 / 18350 / 17500 / 17670 / 18500 / 18650 / 18700 / 26500 / 26650 / 22650 / 20700 / 20700 21700*, 3.6V and 3.7V Li-Ion batteries.
Ni-MH/Ni-CD: AA, AAA, A, SC, C (SC and C only with flat positive terminal)

Please note: 20700 and 21700 batteries only as unprotected version up to max. length of 71mm. Protected 20700 and 21700 with excess length will not fit.


Opus BT-C3100 V2.2 charger Features:

1.The charging current can be selected for200mA, 300mA,500mA,700mA and 1000mA. Default discharging current is 500mA.
2.It provides four independent charging slots for rechargeable batteries. The charger can charge batteries of different type and size and with different capacity at the same time
3.The charger integrates the minus delta voltage (-ΔV) for NiCd or NiMh battery charging termination, and for Li-ion batteries charging to 4.2V with pre-selected constant current.
4. The charger also includes overheat detection to protect rechargeable batteries and charger itself from overheating.
5. New added quick test mode to test the battery impedance.
6. Four Working Mode Available at User’s Choice: Charge, Discharge, Test,Quick Test and Refresh.
7. Easy Read LCD with back light Showing Battery Voltage, Charge/Discharge Current, Charging Time, Battery Capacity etc.

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