Nerd Ralph loves cheap and dirty hacks, and for that we applaud him. His latest endeavor is a LiFePO4 battery charger that he made out of parts he had on hand for under $0.50 US. (Although we ...

For the price of a mid-range Android phone, [Kenneth Finnegan] turned a 50 caliber ammo can into a 50 amp-hour portable power supply. The battery pack uses four 3.5 V LiFePO 4 cells wired in ...

Ecoflow is one of the largest and most well-known manufacturers of portable power stations. Their products are solidly built ...

The River 2 uses the newer LiFePO4 cells instead of the traditional NCM sells you find in the original River. LiFePO4 cells have inherently safer chemistry and have a much higher cycle lifespan ...