400A Smart Car Battery Charger – 12V 24V Automatic Pulse Repair Trickle – 180W, 30A/15A – Unbranded

This unbranded smart charger does a lot for the money.

Handles 12V and 24V systems, puts out 30A on 12V, 15A on 24V.

Peak amps hit 400A, power’s 180W.

Works on batteries from 6AH up to 105AH.

Charging time ranges from half an hour to 20 hours, depending on how dead it is.

Modes: pre-charge, constant current, constant voltage, trickle.

Also has pulse repair mode—helps extend battery life.

Comes with cables, clamps, manual.

LED display shows you what’s going on.

Operating temp -30°C to +50°C, so yeah, it’ll work in your garage in winter.

5-year warranty.

Not fancy, but functional.