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Hi, I am looking to build a small-ish system to keep in my pull behind motorcycle trailer that I pull when going camping with my motorcycle. I'm looking to power/charge small electronics up to tablet size and recharge devices, ie phones, watches, tablets, camera batteries, portable speakers. I...

Didn't think about that.

Good thing I'm in this group, I was about to place an order with Besen. I've been communicating with Gloria Luo and this is what she quoted me: LISHEN 3.2V 202Ah LiFePO4 Cell with stud Quantity:4PCS Price:$62/pc Shipping cost:$135 by Sea&delivery, DDP,door to door service,including customs...

I just ordered Will's book. Does is explain; the differences between 12v, 24v, and 48v systems; deciding on the right size SCC, the math to calculate amps, volts, wattage? I am trying to learn this stuff without being a PIA on the forum. I'm not trying to build a system to power a city just my...