Runtimes - 2x Quality 18650 vs 4x Cheapos
Anyone know the runtime (or output) differences between a pair of high quality 18650 like the Panasonic NCR18650B and a set of 4x 18650 cheapo usually included with Kaidomain and Gearbest lights?
I've got nearly 6 high quality Samsung and Panasonic cells with capacities over 3000mAh, and I'd rather run two of those (in a case like the Fenix BA4C versus 4 of the cheapos.
I do custom ArcGIS and Google Maps, including data collection and sustainable trail layout. Ride Welsh Mountain
No doubt runtime and consistency will be greater with the Panasonic and Samsung batteries. Chinese packs aren't usually high capacity nor high quality. A battery box with your own cells or a pack made of quality cells is the way to go.
The lack of consistent performance of the cheap packs makes this a wildly variable comparison.
Your good cells in a 2S configuration will have ~3000mAh capacity
The best of the cheap cells in a 2S2P configuration will be ~4000mAh capacity.
So if you had a really good cheap pack, it would last ~25% longer than a pair of high capacity cells.
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