These batteries are pre-loaded Amazon Basics I could test the level of charge in reception: between 450 and 570 mAh.
For a theoretical capacity of 750-800 mAh that gives a 56-76% charge remaining.
The manufacturing date of my lot is to 11/2013 it makes a loss of 24-44% in 13 months, or 22-40% / year
The reference in the matter being Eneloop batteries, I also purchased and I tested a discharge 22-29% / year.
Amazon These batteries are slightly less efficient in terms of discharge compared with Eneloop.
At normal load level, I get between 792 and 858 mAh which is pretty good, considering the theoretical normal level announced 800 mAh.
My charger is also capable of carrying a load "break-in" to refresh and get a max capacity of the batteries.
This is a slow charge (at 0.1C, 1C is the battery capacity = 800mAh) and slow discharge and low charge.
I then capacities ranging from 798 to 887 mAh!
In short these batteries have a good price / quality, with a good capacity and a slightly higher discharge rate Eneloop.
