Siekon 100Ah Battery

The 12 Volt, 100 Ah LFP battery has become a commodity. There are lots of vendors (most being Chinese) selling similar batteries for $250 or less. Are they any good? […]

Geely Short Blade Battery

Geely had introduced a new LFP blade battery with all the “good” boxes checked. The EVs Queen video sounds more like a Geely ad but it does cover the facts. The […]

End of the ICE Age?

Well, that’s what Sandy Munro said. He may be right. Sakuu makes batteries. I talked about them before. But, instead of a traditional “jelly roll” cell where the active parts […]

Thermal Energy Storage at Home

Thermal energy storage is not new. Large-scale systems are commonly used and, if what you want back is heat rather than electricity, are very efficient. But, as you scale these […]

What are the issues with EV batteries? Capacity Charge time Low temperature performance Life Cost That’s pretty much the list. It’s a universal problem — that is, all EV manufacturers […]

Batteries: The Inside Scoop

18650, 2170, 4680, pouch, prismatic, … Cell, module, pack. What do all these things mean and why might you care? How are cells cooled? How are they connected? What’s a […]