【2STestIndicator】☆☆☆ 2S 8.4V 18650 Lithium Li-ion Battery Capacity Indicator Power Level Tester☆☆☆
【Features】✔Ultra-thin power display✔5 LED indicators✔The display is more intuitive and more beautiful
【Instructions-1】✎1. Connect the positive and negative terminals of the display board to the positive and negative terminals of the battery under test. Press the red button with your finger and the IED light will illuminate. Display the real-time battery power.
【Instructions-2】✎2. Release your finger, the LED light will be off after 3-5 seconds, and it will not consume power when it is static.
【Instructions-3】✎3. With reverse connection function, even if the positive and negative connection will not burn, adjust it.