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 think he ...

Chinese battery maker LiTime has introduced its 12V 320Ah Mini Smart Self-Heating Battery, offering 4,096 Wh of energy capacity and 2,560 W of continuous output power.

This is a 12.8v 300ah (really it's 280ah) Dumfume Lifepo4 battery. That's a total of at least 3500wh capacity. So even if you take it down to 20% charge, that's still 2800wh of usable power in a ...