XD-3420 DC Electric Motor, 12V High Speed Permanent Magnet DC Motor, Mini Electric Gear Motor, Low Noise, Low Loss, for Grinding Machine, Medical Equipment, Small Cutting Bench (12V 3000RPM) auspowers_batchone which can detect your devices

which can detect your devices intelligently to deliver the fastest possible charging speed(Max 5V

The voltage meter reading led will show up after the item is connected to the battery

Ant Mag: Better Magnet

model building

Fit Battery: MOTOROLA NNTN4970 NNTN4970A NNTN4497 NNTN4497CR Battery

XD-3420 DC Electric Motor, 12V High Speed Permanent Magnet DC Motor, Mini Electric Gear Motor, Low Noise, Low Loss, for Grinding Machine, Medical Equipment, Small Cutting Bench (12V 3000RPM) auspowers_batchone which can detect your devicesXD 3420 DC Electric Motor, 12V High Speed Permanent Magnet DC Motor, Mini Electric Gear Motor, Low Noise, Low Loss, for Grinding Machine, Medical Equipment, Small Cutting Bench (12V 3000RPM) Descriptions: This DC electric motor drives super smooth, almost no noise, safe to use. With high speed 3500 7000rpm for your choice and large torsion. Widely used in cotton candy machine, small cutting bench, grinding machine and other mechanical equipment.