What to do if the BAD BATTERY and CHARGING LEDs are lit on my DieHard DH137?
If the BAD BATTERY and CHARGING LEDs are lit on your DieHard Battery Charger, it means the charger is in desulfation mode because the battery is sulfated. Continue charging for several hours. If this isn't successful, have the battery checked.
Why does the LED not light when my DieHard DH137 is properly connected?
If the LED does not light when your DieHard Battery Charger is properly connected, it could be due to a few reasons. First, the AC outlet might be dead, so check the fuse or circuit breaker. Second, there might be a poor electrical connection; inspect the power cord and extension cord for a loose plug. Lastly, the battery itself could be defective, in that case have it checked.
What to do if the CHARGING LED never lit on my DieHard DH137 Battery Charger?
If the battery is properly connected, but the CHARGING LED never lit on your DieHard Battery Charger, it might be because the battery voltage is low. Press the Start/Stop button to start charging.
Why the CHARGING LED on my DieHard DH137 Battery Charger did not light immediately?
This is normal. If the Start/Stop button is not pressed on your DieHard Battery Charger, charging should begin in ten minutes.
What to do if the BAD BATTERY LED is lit on my DieHard DH137?
If the BAD BATTERY LED is lit on your DieHard Battery Charger, it could indicate several issues. The battery voltage may be below 10V after 2 hours of charging, in that case ensure there are no loads on the battery; if present, remove them, otherwise have the battery checked or replaced. Alternatively, in maintain mode, the output current might be more than 1.5A for 12 hours, suggesting a defective battery that should be checked or replaced. Desulfation might have been unsuccessful with lack of progress and battery voltage below 14.2V, in that case have your battery checked or replaced. It is also possible that the battery’s initial voltage is below 12.2V and the total input is less than 1.5 Ah, suggesting it should be checked or replaced. Finally, the battery voltage might drop to below 1...
General| Maintain Amperage | 2A |
|---|---|
| Voltage | 120V AC |
| Cable Length | 6 ft |
| Warranty | 1 year |
| Battery Voltage | 12V |
| Battery Type | Standard, AGM |
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