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32% off
Quantity
1
Description
4.3
7 ratings
5
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1
lower charging current than expected
I installed the charger to charge an RV Lifpo battery. I ran 4awg wiring from battery post to charger and from charger to Lifpo battery. I used truck chassis for the ground lead. Bottom line, I only get 32a of charge. While acceptable it was not what I was expecting. Paid for 40a should get 40a.
Dale · November 28, 2025
I love how precise the products from LiTime perform, the DC-DC charger puts out 40A from the moment you put it to charging the battery, until the last few moments when the battery reaches 100%. It doesnt matter if its getting 12VDC from another battery or an alternator.
Brad · April 18, 2025
Bought this for charging lithium batteries in my trailer - Important considerations
I bought this to charge my lithium batteries in my teardrop camper trailer. I wanted to be sure while I was driving down the road that my batteries would be safely charged from the alternator. When I went to mount it in my camper and connect it to my vehicle's power (through the plug from the tow vehicle), it would not charge properly due to the wire size coming from the car being too small. I believe the wires in my camper from connector to the vehicle are 12 gauge. It would start charging, then stop and reset. The manual indicates that the wire size from the vehicle to the battery needs to be 6 AWG. That's big wire. I finally tested it right next to my tow vehicle's battery with large gauge wire and the battery being charged right next to it and it worked when I did that. I could mount it inside my tow vehicle, but then I'd need to have a special power connector / large wires just for the charging to my trailer. I would also need to drill holes in my camper to get the new wires in. That solution is unworkable for me, so I am forced to return it. Disappointed, but you cannot change the laws of physics. I wish I would have known this prior to buying it.
Chris · November 10, 2024


