Charger Manual - Everstart 6811a Smart
✅ The 6811A will not provide power if clamps are reversed – the unit will show an error light or display “Err”.
Option A: Battery installed in vehicle (Negative Ground – most cars)
Option B: Battery removed from vehicle
Operating the Everstart 6811A Smart Charger is straightforward. Here's a step-by-step guide: everstart 6811a smart charger manual
Users often confuse the 6811A with older or newer models. Here is how it stacks up:
| Feature | Everstart 6811A | Everstart 10711WDI (Walmart basic) | Everstart Maxx BC50BE | | :--- | :--- | :--- | :--- | | Max Amps | 15A | 10A | 50A (Engine Start) | | Smart Maintainer | Yes (Float mode) | No (Timer only) | Yes | | Desulfation Mode | Yes (Automatic) | No | Yes | | Battery Type Select | Standard/AGM/Gel | Standard only | Standard/AGM/Gel/Lithium | | Best For | General DIY & storage | Emergency only | Professional shop |
Tip: If you need a charger to leave on a classic car or boat over the winter, the 6811A is superior because of the "Float" maintenance mode. Do not use a cheap non-smart charger for long-term storage. ✅ The 6811A will not provide power if
A glance at the manual reveals a "Smart Charge" cycle, which is the heart of the unit's longevity benefits. The EverStart 6811A doesn't just charge; it nurtures the battery through several stages:
The User Benefit: This means you can leave the charger connected to a classic car or a boat in storage for months without worry. It effectively acts as a battery tender, ensuring your vehicle is ready to start the moment you turn the key.
Q: Can I leave the Everstart 6811A connected all winter? A: Yes. The manual states that in "Float Mode" (Green LED solid), the charger is safe to leave connected for months. Check the water level in standard flooded batteries every 30 days. Option A: Battery installed in vehicle (Negative Ground
Q: Can I charge a lithium (LiFePO4) battery? A: No. The 6811A manual explicitly lists only Lead-Acid, AGM, and Gel. The voltage profile for lithium is different and could cause a fire.
Q: Why is my battery hot while charging? A: Unplug immediately. A hot battery (over 125°F / 50°C) indicates an internal short. Disconnect and replace the battery. The charger may have a fault.
Q: Can I charge a 6V battery? A: No. The 6811A only charges 12V batteries. Attempting to charge a 6V will damage both the battery and the charger.
Q: Where can I download an original PDF manual? A: While Walmart’s website often hosts product manuals under the "Support" tab for the SKU, you can also search "Everstart MAXX 6811A manual PDF" on manualslib.com or the manufacturer’s support portal (Schumacher Electric manufactures many Everstart units).
The microprocessor does the rest.