They were all no-name 18650 lithium ion cells, and I measured the capacity to be about 2,000 mAh. I suspect these may be old "recycled" cells or possibly seconds, as I'd expect the capacity of ...

For example, there is no 18650 with a CDR over 30 amps. Concurrently, no 18650 with a capacity over or at 3000 mAh will have a CDR over 20 amps. Therefore, any battery not rated according to these ...

HPQ’s France-based affiliate, Novacium, has shown a unique ability to produce silicon-based anode materials that can deliver more than 4,000 milliampere-hours (mAh) in 18,650 lithium-ion ...