| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | | No power, bad connection, or battery is 100% dead (below 3V for 6V / below 6V for 12V). | Check outlet. Clean clamps. Manual chargers need residual voltage to start. | | Charger sparks when connecting | Connecting to a live circuit. | Normal on final connection, but ensure you aren't near gas. If excessive, reverse polarity. | | Battery gets hot | Overcharging (manual mode left too long) or bad battery cell. | Stop immediately. Let battery cool. Test battery. | | Reverse Polarity light is ON | Red clamp is on negative; black on positive. | Unplug charger. Swap the clamps immediately. |
Without the manual, the blinking lights are confusing. Here is the official guide: everstart battery charger 60108m manual
The LCD screen will display progress. A "Full" or green light typically indicates the charge is complete. | Problem | Likely Cause | Solution |