The battery is fully charged. The unit has safely switched to "Float" or "Maintenance" mode, lowering the amperage to protect the battery from overcharging.
Using it on a large battery that is not fully charged can actually , causing it to lose its ability to hold a charge and become useless. The manufacturer recommends this charger for maintaining large, fully charged batteries only. For reviving a completely dead large battery, you need a more powerful 8-15 amp charger.
This is the manual’s way of sounding the alarm. Usually, it means a "Reverse Polarity" error—you’ve put the clamps on the wrong terminals—or the battery is too damaged to hold a charge. Chapter 3: The Secret Logic The most fascinating part of the Autocraft story is its Automatic Circuitry autocraft 1.5 amp battery charger manual
If your charger works, keep it. But if:
Autocraft products typically carry a limited warranty against defects in material and workmanship. For specific warranty duration and claims, retain your purchase receipt and contact Advance Auto Parts customer service or visit your local store. The battery is fully charged
The battery has sulfated plates and is exhibiting high internal resistance, tricking the smart sensor into thinking it is full.
: Indicates a connection error or a potentially defective battery. Critical Safety Instructions Usually, it means a "Reverse Polarity" error—you’ve put
A: Yes. Slow charging (1-2 amps) is actually preferred for AGM batteries. Overcharging AGM batteries can ruin them. This charger’s automatic maintain mode prevents overcharging, making it a safe option for AGMs.
Connect the clip to a heavy metal part of the vehicle frame. Plug the AC power cord into the electrical outlet. Understanding the LED Status Lights