Deal and Coupon: GearBest Opus BT Battery Charger


Quick post for you, GearBest has a deal on what appears to be a decent battery charger for 24% off the regular price. The charger is called the Opus BT C3100 and it can charge most any sized NiCd NiMH batteries thanks for adjustable sliders. Details below for you along with the discount code for 5% off site wide and free shipping

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