Everstart 6811a Smart: Charger Manual 2021

: Ensure the charger is unplugged from the AC outlet and the vehicle is off. Connect Clamps : Attach the Red (+) clamp to the positive battery terminal.

| Error Code / Symptom | Possible Cause | Solution | | :--- | :--- | :--- | | | Internal Error | Unplug and retry. If it persists, the unit may need service. | | E02 / E03 | Poor Connection | Clean battery terminals. Ensure clips are biting into metal firmly. | | E04 | Reverse Polarity | The clips are connected backward (Red to Black). Swap the clips immediately. | | E05 / E06 | Battery Voltage Too Low | The battery is deeply discharged (below 1V). Try the "Repair/Recondition" mode. If the battery cannot be revived, it may need replacement. | | -- (Dashes) | The battery is not connected | Check clamps. Ensure the battery has some voltage. | | Fan Noise | Normal Operation | The internal cooling fan runs to keep the electronics cool. This is normal. | everstart 6811a smart charger manual 2021

Built-in protection against reverse polarity and short circuits. 🛠️ Step-by-Step Operating Instructions 1. Preparation : Ensure the charger is unplugged from the

| 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) | If it persists, the unit may need service