Oct 1, 2004 · I'm fairly certain that Ryobi uses 20/21700 cells in their new-ish 3/6/9Ah +HP batteries; the 4Ah +HP is almost certainly 18650. The 9Ah is an impressive - yet chunky - thing.

Nov 16, 2002 · 21700 is the new hotness because of the auto industry. The 26650 will always be specialty. The 21700 is about to become one of the most widely-produced batteries on the planet. …

Dec 13, 2004 · The 21700 seems to be the next gen of that size of battery, and I have found a few lights in the 700 format (SC700d, D4K1, Malkoff build with 21700 tube?, E07x, others?) that might fit my …

Nov 18, 2013 · A 21700 battery is 5mm longer than a 18650, yet the body on the HC35 is about 26mm longer than my Armytek 18650 headlamp. The H30 is a high powered thrower. I am looking for a …

Mar 18, 2014 · just bought 4x Keeppower branded 21700 batteries in england uk £11.49 each but when i tried to put them in my charger that says it can do 21700 batteries they wouldnt fit ! so i measured …

Jan 20, 2024 · Hey guys, I have been reading up on chargers. (I am new to the whole battery thing and I recently purchased an acebeam h30 and some wurkkos hd15 headlamps which use 21700 and …

Dec 19, 2004 · So my 21700 body and battery came today. LOVE the pineapple finish as opposed to the knurling. I couldn't be happier--I already had the neutral Hound Dog head (was not being used) and …

Jun 22, 2017 · I need some recommendations here, from those with experience with both the "new" (to me) 21700 cell, and the older 26650. TL;DR: Does the 26650 offer anything the 21700 does not? I …

Mar 13, 2024 · Been off the scene for a while but looking for an LED thrower with a tighter beam and spill. Preferably 21700 cell and has a turbo run time thats reasonably decent. Can be worn on the hip …

Apr 24, 2001 · 21700 seems to be the new standard in Li-Ion batteries. Why 21700 instead of 26650, which have considerably more volume and therefore greater capacity?