4-Piece 3S Battery Capacity Indicator Power Level Checker for 3S Li-ION Batteries, Lithium Battery Capacity Indicator Module with Blue LED Display

✔ The 3S battery capacity indicator module displays the current of lithium, lead-acid, and Ni-MH batteries. ✔ Clear and bright display: red outline, blue indicator block. The corresponding block lights up when the current is different. ✔ Application: Connect the positive and negative terminals of the indicator board to the positive and negative terminals of the battery to be tested. The digital display shows the battery capacity in real time. ✔ Wide range of applications: Widely used for battery capacity indicators in mobile devices, mobility scooters, scales, cleaning machines, measuring instruments, etc. ✔ Note: The specified current is a reference value with an error tolerance of approximately 2%.