Bought this mostly for my AA Eneloops and it handles those 1.2V NiMH cells just fine, but the nice surprise was that it also fits my 26650s without any adapter. Single slot means I charge one at a time, which is honestly all I need.
Andrew A.★★★★★
I grabbed this to top up my 18650s from my flashlight and it handles them without any fuss. The single slot is all I need since I only rotate one cell at a time, and it reads the 3.7V li-ions just fine.
Hannah U.★★★★★
Finally a charger that handles both my 18650s and regular AA batteries without me digging out two separate devices. The single slot is honestly all I need since I only run one light at a time. Solid little unit.