Lots of users say that the batteries only start to get bad after 5 or more years of constant usage proving that the stated 2100 cycles are more or less accurate. When the battery finally dies, users stay loyal to the brand and buy the Eneloop series again, because of the proven quality.
Rated at 950 mAh these are one of the highest capacity AAA batteries available in today’s market. That translates in about 10-20% longer runtime compared to regular AAA rechargeable batteries. That can be critical for cameras or camera flash units.