4-Slot Battery Capacity Tester for 18650 Battery Type, Digital Battery Power Detector Module SONOFF POW Elite smart switch Each package includes step-by-step instructions

Each package includes step-by-step instructions so even first-time users can get professional results immediately

Random mallet strikes produce naturally pleasing melodies

Stripping Capacity: Compatible with 1

offering reliable overcurrent protection at up to 1000V DC where standard AC fuses simply fail

4-Slot Battery Capacity Tester for 18650 Battery Type, Digital Battery Power Detector Module SONOFF POW Elite smart switch Each package includes step-by-step instructionsStop guessing which 18650 cells are dead, fake, or degraded the amiciKart 4 Slot Battery Capacity Tester gives you precise mAh readings, internal resistance, and real time voltage data on a vivid colour display, so you always know exactly what's inside your batteries. This digital battery analyser is purpose built for 18650 lithium ion cells and lets you test up to four batteries simultaneously cutting your testing time by 75% compared to single slot