Do any of you see a reason for me not to mount a 48v electric motor where the winch battery is normally mounted? This electric motor would run a small hydraulic pump. And if you guru's think it would not kill my buggy then any suggestions as to how to connect it? This motor would not run often or long at any time.
Black Forest
What are you trying to power? A customer has a system they use powered by a 12v hydraulic motor (similar used in tipping the buck of a small truck) but its max power is 1400w so pulls a heck of a lot of current. We run that from some removable lifepo4 12 packs I built them, as lead just couldnt cope. If you can get a 48v setup the current would be much lower. I recently did another system for a camera crane vehicle. It now has a 18kwh Li ion pack. But we used an inverter to get mains voltage, so that the hydraulic motor could be mains or self powered on the vehicle.. It has the added advantage of being able to supply mains voltage to the rest of the crane systems without the need for a generator. Mains powered hydraulics tend to be more readily available and cost effective, so it may be worth looking for a decent inverter. Be careful cheap under powered ones wont work a big motor. In the last setup we had a 6kw (10kw max) Chinese inverter that could not run the 3kw motor. But a 5kw Victron worked flawlessly . Must be pure sine wave as well. With mains inverters you really do get what you pay for. But also the Victron weighed about 3 times what the Chinese one did.
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