Deal: Adjustable NiCd NiMH Battery Charger for $38.99 and Discount Coupon


So I’ve got a deal for you today, GearBest has the Opus BT C3100 V2.2 battery charger for $38.99 which is 24% off the regular price and you can pick US or UK plugs as well. What makes it interesting I think is the fact that it has adjustable sliding battery contacts so it can fit most any size battery up to 72.5mm and it has a handy digital display that let’s you know the status of the batteries you’re charging.


Here’s some info about the Opus BT:

Main Features:
● NEW LED back light displays charging / discharging / quick test / circuit more clearly in the dark
● New refresh mode can show you batteries capacity, letting you know real magnitude
● The charging current can be selected to be 200mA, 300mA, 500mA, 700mA or 1000mA ( 1500mA and 2000mA can only be applied when only slot 1 or 4 is selected ). Default discharging current is 500mA
● It provides four independent charging slots for rechargeable batteries. The charger can charge batteries of different types and sizes and with different capacities at the same time
● 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. ( 3.7 Li-FeO4 and 4.35 type high voltage batteries charging mode can be selected through switch on board )
● The charger also includes overheat detection to protect rechargeable batteries and charger itself from overheating
● New added quick test mode to test the battery impedance
● Four Working Mode Available at User’s Choice: Charge, Discharge, Test, Quick Test and Refresh
● Easy to read LCD with back light Showing Battery Voltage, Charge / Discharge Current, Charging Time, Battery Capacity etc.
● Designed for AA ( LR6 ) and AAA ( LR3 )NiCd, NiMH or 3.7V Li-ion rechargeable batteries in size type of 10440, 14500, 16340, 17335, 17500, 18490, 17670, 18650
● Ideal for office and home use
● Operating temperature: 0 – 40 deg.C
● Max charging capacity: Up to 20000mAh
● Power adapter: DC 12V, 3.0A ( Output ), 100-240V, 50 / 60Hz ( Input )

Product page:


The coupon I have for you is good until May 22nd and gets you 5% off site wide and free shipping, the coupon code is MAY12GB