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This is for DOD 60%, so only 40% will be gone after those amount of cycles |
→AAA size: depth of discharge |
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==== 2nd generation ====
The second generation of Eneloop [[AA battery|AA]] and [[AAA battery|AAA]] batteries was introduced in 2010. It endured 1,500 recharge cycles for depth of discharge (DOD) 60% and held 85% of the charge after one year and 75% after three years.<ref>[https://web.archive.org/web/20120425050028/http://www.eneloop.info/fileadmin/EDITORS/ENELOOP/Press_Release/Press_Release_Sanyo_new_eneloop_EN__27_04___2_.pdf Sanyo Announces New "eneloop" Rechargeable Batteries – Industry No. 1 Rechargeable Batteries – Rechargeable up to "Approx. 1,500 times", Factory Pre-charged using Solar Power].</ref> The part numbers for second generation cells are HR-3UTGA (AA) and HR-4UTGA (AAA).
Sanyo introduced C- and D-sized Eneloop batteries with a minimum capacity of 2,700 mAh and 3,000 mAh respectively in 2009, along with a new universal charger.<ref>[https://web.archive.org/web/20120425081539/http://eneloop.com.sg/news-promotions/SANYO%20News%20Release%2020090518.pdf Sanyo Energy Unveils New Eco-Friendly Products To The Singapore Market].</ref> As these sizes were only available in Japan and Singapore, Sanyo offered adapter sleeves to fit AA batteries in devices that take [[C battery|C]] or [[D battery|D]] batteries.
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! rowspan="2" | Release date
! colspan="2" | Capacity (mAh)
! rowspan="2" data-sort-type="number" | Max. cycles (DOD 60%)
! rowspan="2" data-sort-type="number" | Est. lifetime cap. (Wh)
! colspan="5" | Charge retention
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