| Specification | Detail | | :--- | :--- | | | 120V AC, 60Hz, 1.2A | | Output Voltage | 12V DC only | | Output Current | 6A max (constant current bulk) | | Minimum Start Voltage | 3.0V (charger will not activate below this) | | Back Drain | <5mA (safe for long-term storage) | | Operating Temp | 32°F (0°C) to 104°F (40°C) | | Battery Capacity Range | 10Ah – 120Ah (optimal for 20Ah – 80Ah) | | Float Voltage | 13.2V – 13.4V (temperature compensated) | | Housing Material | ABS plastic, UL94 V-0 flame retardant | | Cable Length | 6 ft DC (clamps), 5 ft AC | | Certifications | UL Listed (2021), cUL, Energy Star (standby mode) |
To stop charging, press and hold the Charge/Voltage button for three seconds. 4. Troubleshooting and Tips everstart 6811a smart charger manual 2021
The EverStart 6811A is a microprocessor-controlled "smart" charger. According to the 2021 manual, its standout features include: | Specification | Detail | | :--- |
| Problem / Display | Likely Cause | Solution | | :--- | :--- | :--- | | No lights, charger dead | AC outlet dead or internal fuse blown | Test outlet. Check 10A fuse inside charger (requires opening case – void warranty? Return to store). | | (Red LED on) | Clamps are backwards | Swap red and black clamps immediately. | | Check Battery (Red LED) | Battery is below 3 volts or has a shorted cell | Battery is likely dead. Try desulfation mode (see below). | | 25% LED flashes for 24+ hours | Battery won't hold charge | Battery has high resistance. Replace battery. | | Charger clicks on/off repeatedly | Bad connection or extremely sulfated battery | Clean clamps. If still clicking, battery is unrecoverable. | | Display shows "F01" or "F02" | Internal temperature sensor fault | Unplug for 30 minutes. If persists, replace charger. | According to the 2021 manual, its standout features
: Always connect the clamps before plugging the charger into the wall to avoid sparks.
If you have questions about a specific error code on the display, I can help you or find a solution .