How do I use the Ultimate Speed ULGD 10 A1 for battery maintenance or supply?
Use Program 9 for a 12V supply program at 13.6 V / 3.0 A to maintain battery power without time limit. For a 24V supply, select Program 10 at 27.2 V / 1.5 A.
From the official Ultimate Speed Ulgd 10 A1 Vehicle Battery Charger manual, page 48
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