Keepower MAX 90/45, User Quick Manual, Page: 5 / 8

MAX 90/45
Universal charging
1. On standard batteries unscrew the inspection plugs before charging
2. Turn on the Keepower 90A (the red LED will light constantly)
3. Connect the charging cables to the Keepower 90A, red cable to the positive terminal
(+) and black cable to the negative terminal (-). Ensure good contact by tightening
the plugs firmly (turn the plug clockwise after insertion)
4. Connect the charging clamps to the battery ensuring correct polarity. First connect
the red terminal to the positive terminal (+) and then connect the black clamps to
the negative terminal (-)
5. Switch on the Keepower 90A (press Select)
6. Select “Standard-charger” in the menu (use Up or Down keys to navigate to
Standard-charger) and then press Select .
7. Select the battery type to be charged. Use Up or Down to adjust to wanted type.
8. Select the battery size to be charged. Use Up or Down to adjust to wanted size. The
Keepower 90A automatically selects 12V or 24V battery. If a deeply discharged 24V
battery is connected for charging, the two 12V batteries might need to be charged
separately.
9. Press Select to start charging. The charging progress can be followed on the display
Mode
Battery voltage
Battery current
Voltage mode
Battery size
Ah supplied
Chosen battery type
Battery status
• If the Keepower 90A detects a deeply discharged battery, the battery is charged
using a small current until normal charging can take place safely. This phase is
indicated in the display by the text “Soft charging”
• The charging can be stopped by pressing the back key.
10. When the charging is complete, turn off the Keepower 90A.
11. Disconnect the battery clamps from the battery.
Fig.2 - Charging mode display.