12V 4S 20A LiFePO4 BMS with Balance Overcharge, Over-Discharge, Short-Circuit & Overcurrent Protection dual power automatic transfer switch The slide-switch 1X/10X attenuation lets

The slide-switch 1X/10X attenuation lets you instantly adapt to low-voltage breadboard circuits or high-amplitude industrial signals — no swapping probes

letting you loosen or tighten strings at lightning speed

It is an absolute no-brainer upgrade from struggling with a coin or your bare hands

reusable alternative to single-use plastic bottles — better for you and better for the planet

📦 Complete Kit Included — K-type thermocouple sensor ships in the box

12V 4S 20A LiFePO4 BMS with Balance Overcharge, Over-Discharge, Short-Circuit & Overcurrent Protection dual power automatic transfer switch The slide-switch 1X/10X attenuation letsWorried about battery failures ruining your project? The amiciKart 12V 4S 20A LiFePO4 BMS is your all in one protection solution engineered to keep your 12. 8V LiFePO4 battery pack safe, balanced, and running at peak performance for years. This Battery Management System is purpose built for 4 cell (4S) LiFePO4 configurations, delivering up to 1820A of reliable charge and discharge current. What sets it apart is the built in 50mA passive cell balancing