Stop running your battery packs blind! The Universal 1S to 8S Battery Capacity Indicator Board provides an instant, scannable visual readout of your lithium battery pack’s remaining energy. Featuring a brilliant blue/red LED outer ring outline with crisp green capacity bars, it operates on a simple press-to-test format or can be permanently wired to your device. Thanks to the selectable onboard solder jumper points, this single module can be quickly reconfigured to match any battery setup from a simple 3.7 V cell up to a heavy-duty 29.6 V (8 S) pack.
Key Features ✨
Universal 1S-8S Compatibility: Adjustable using straightforward solder jumpers on the back of the PCB.
Intelligent LED Design: Shows a red or blue frame outlining the overall battery shape, paired with 4 internal green segments indicating charge levels (25\%, 50\%, 75\%, 100\%).
Ultra-Low Idle Current: Only draws significant current when actively displaying data; won’t drain your cells when idle.
Compact Layout: Easily panel-mounted or glued onto custom 3D-printed project enclosures, power banks, or DIY inverters.
Reverse Polarity Protection: Prevents the board from frying if the positive and negative leads are accidentally swapped during installation.
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