

The short answer: the Eneloop Pro battery has a higher capacity than the regular Eneloop with 2500mAh vs. The newest product codes are now BK-3HCD (E) for the AA Eneloop PRO, and BK-4HCD(E) for the AAA Eneloop PRO. If you want to know more about how these kinds of capacity tests are done, check out the Advanced Charge section on this website. Japan already removed the Rated capacity many years ago, and only shows the Minimum capacity.

2015: 5th generation Eneloop PROįinally, the 5th generation Eneloops were being produced and now have a minimum capacity of 930mAh for the Eneloop PRO AAA and 2500mAh for the Eneloop PRO AA.Īs can be seen in the above picture the different markets use different ways of showing the capacity. The 4th generation AA PRO specifications and the 4th generation AAA PRO batteries. In Europe, they are called BK-3HCCE and BK-4HCCE, respectively. The product codes changed completely, and are called BK-3HCC for the AA batteries and BK-4HCC for the AAA batteries. The word Eneloop got replaced with Panasonic and in smaller font underneath that, Eneloop. In Japan, this resulted in a removal of the Eneloop branding to be replaced with Panasonic branding. In 2013 Panasonic announced the makeover of the Sanyo branded Eneloops. The Japanese market already called them Eneloop PRO from the beginning. And the product specifications of the AA PRO HR-3UWXB.īelow you can see the different packaging for Eneloop XX. Take a look at the Specification of the Eneloop AAA PRO, called HR-4UWXB.
ENELOOP BATTERIES UPDATE
The AA version also received an update and now powered a minimum of 2450mAh, with the same cycle life of 500. More info on charging can be found in our Ultimate Eneloop Charge Guide. This means that when the battery is fully charged, you can keep the battery untouched and the self-discharge rate would only be about 15% in 1 year. Explanation of 85% charge left after 1 year The same year Sanyo announced their first high capacity AAA Eneloop batteries, with a minimum of 900mAh and still rated for 500 cycles and an 85% charge left after one year. It looks like they were only available in China. It's interesting to note that these batteries had never been available in Japan with that product code. Although the additional letter A could have indicated a new design or product (as this was the standard way Sanyo reported a new generation), the specifications stayed the same.
ENELOOP BATTERIES CODE
These batteries received the product code HR-3UWXA. 2012: 2nd generation Eneloop PROĮneloop XX batteries sold in China in 2012 had a different product code, as can be seen in this Chinese Announcement. You can find the product specifications here. (At least not under the Eneloop branding.) The product code for the 1st Eneloop Pro was: HR-3UWX and claimed a maximum of 500 recharge cycles and a minimum of 2400mAh.

There were no AAA-sized Eneloop PRO batteries during their initial launch. The first generation Eneloop XX was only available in AA size as of 2011.
