T
Terri KingSep 8, 2025
What to do if voltage on Lithium Ion battery exceeds safe limit on Schumacher Electric DSR127?
- MMichael YatesSep 8, 2025
The battery could be bad. Have it checked or replaced.
To Next PageTo Next PageWhat to do if voltage on Lithium Ion battery exceeds safe limit on Schumacher Electric DSR127?
The battery could be bad. Have it checked or replaced.
Why are the indicator lights erratic on my Schumacher Electric Battery Charger?
A button may have been pressed when the charger was plugged in. Make sure nothing is touching the control panel, then unplug the unit and plug it in again.
What to do if Schumacher Electric DSR127 cannot desulfate the battery?
The battery could not be desulfated. Have it checked or replaced.
Why is my Schumacher Electric DSR127 Battery Charger clicking?
This is a normal condition. The charger has a relay that turns the current to the battery on and off.
General| Type | Battery Charger |
|---|---|
| Input Voltage | 120V AC |
| Input Frequency | 60 Hz |
| Output Voltage | 6V/12V |
| Output Amperage | 12A |
| Cable Length | 6 ft |
| Clamps | Heavy-duty |
| Microprocessor Controlled | Yes |
| Reverse Hook-Up Protection | Yes |
| Amperage | 12A |
| Charge Rate | 12A |
| Battery Types Supported | AGM, Gel |
| Charging Modes | Automatic |
| Dimensions | 5.5 inches |
| Voltage | 6V/12V |
Controls the selection of display modes: Battery %, Amperage, or Voltage.
Provides a general introduction to the charger's operation.
Explains the charger's digital display features and behavior.
Details the charging stages, indicators, and completion.
Describes actions to take when charging is aborted.
Explains the charger's recovery mode for sulfated batteries.
Details how the charger maintains a fully charged battery.
General information on the charger's built-in battery testing feature.
Outlines the basic steps required to test battery state of charge.
Clarifies the unit's function as a tester versus a charger.
Describes procedures for testing a battery after it has been charged.
