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Does anyone have experience with this 'new' 12v air co unit? https://velitcamping.com/products/velit-2000r-rooftop-air-conditioner-12v-24v What do you think about use case would be while in motion , engine speed 2100 rpm or greator. 180 amp alternator. Sprinter 1500 3.0 diesel.

Hi guys, I bought this: https://bigbattery.com/product/48v-li-ion-power-pack/ to replace a failing battery on a ups. Can any one advice a bulk and float voltage for these cells? Does anyone have any experience with them? I've asked big battery for these details, via phone and email, and...

Hello guys, am looking to build a battery backup to run my sump pump in event of grid down while away. The battery will be the sinopoly type recommended by will (because I want to try it) It will be installed in a basement that does not freeze. The pump is a 1/3 hp 120v pump that needs to...