The VX2 Pro is a two-slot battery charger that can take a wide variety of cell types and sizes. You can pop in AA, AAA, C, D, 18650, 21700, and more, and the unit will automatically detect the battery ...
Interesting Engineering on MSN
US firm’s EV battery test shows 83% capacity after 4,000 cycles, could double lifespan
The company announced that a test cell manufactured using its Kavian dry-printing process retained 83% of its charge after ...
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