Mophie’s latest Juice Pack combines serious drop protection with built-in battery power. We test how much charge it really ...

The all-electric Rivian R1T pickup recently received a new Max Pack battery option (149 kilowatt-hours of total capacity), joining the initial Large Pack (about 135 kWh). However, the range increase ...

Prospective Rivian buyers who want to get their hands on the most affordable R1T or R1S must now choose the 270-mile lithium iron phosphate (LFP or LiFePO 4) battery. Don't worry, it's not bad. After ...

Energy density is a big deal if you want to have the smallest possible battery pack and the longest driving range, at least when it comes to electric vehicles (EVs). This is also true for things like ...