8Fields Sound Alarm for LiPo 2S 3S

This is an electronic device specially designed for Li-Po batteries. The device is intended to protect both the battery and the user by automatically measuring the voltage and warning both audibly (via the speaker) and visually (LEDs), allowing the user to safely use the battery, avoiding potential over-discharge or in case a cell malfunctions during gameplay to replace the battery.

To activate this device, simply connect it to the Li-Po battery using the charging/balancing connector that the battery is equipped with. The device features 4 pins, allowing it to work with batteries of up to 3 cells even if the 7.4V battery has only 3 pins; it connects respecting the polarity to just 3 of the 4 pins of the alarm.