The MXJO OC Mini is the latest advanced charger that also a functional coil testing station thanks to a built-in ohm tester and voltage meter.
The device is very simple to use as it has no buttons. Compatible with 10440, 14500, 14650, 16340, 17500, 18350, 18500 and 18650 batteries, an inserted battery will be recharged with a 1 amp rate. Above the battery bay, you will see 510 threaded connector that is used for measuring voltage/ohms in the range of 0.1ohm to 9.99ohm and 0.3 volt to 9.99 volts.
For safety, the MXJO OC Mini has built-in safety protections that prevent overcharging, short circuits or reverse polarity of the battery. For additional protection, the product is also made of durable ABS material that is both fire resistant and fire retardant.