![]() Is it heightened internal resistance or another factor? Original question: Why do Eneloop Pros decrease in quality so quickly? In real life, this can be seen with only 100 cycles of discharges or 2-3 years of use. They reduce the amount of waste compared to Alkaline throw-away-batteries.Because of that, they are better for applications in which batteries need to provide more power. They are much more powerful than Alkalines.More expensive in comparison to recharging an Eneloop even just 20 times!.Besides them ending in the normal garbage, many batteries can be found on the street and. Sometimes they leak even inside the original package. Especially when stored in devices for a longer period of time. They are widely available almost everywhere in the world.They have more energy at a very low current, Sometimes this helps to power some devices that show Low-battery-warning with rechargeable NiMH batteries. They have a higher Voltage than Eneloops, being 1.5V.Other batteries don't have this quality structure and are very likely to have degraded capacity. Also, this is only related to Eneloop batteries. Note: The battery probably needs a refresh/break-in to revive the battery to its full capacity because of its internal resistance etc. ![]() So in the case of a standard AA Eneloop that means 1900mAh. If you charge the battery again, it can come back to full capacity. So even if you charge the battery, you can only charge it till 70% of its full capacity. Misconception: 10 years after you fully charged the battery and left it untouched, the battery life degraded to 70% of its full potential. ![]() (When you fill the bucket of water it can hold 10 liters again) When you charge the battery fully again it is back at 1900mAh. (You can still use the 7 liters of water). You can still use 1330mAh from this battery. (after 10 years there is still 7 liters of water inside the bucket because 30% has evaporated). There is still 70% charge left inside the battery after 10 years, which is 70% of 1900= 1330mAh. After 10 years the Eneloop battery slowly loses its charge. (Let's compare this with a 10-liter bucket of water). They basically try to say the same thing.Ĭomparing this with a bucket of water: An AA standard Eneloop battery has a capacity of 1900mAh. Be careful, these battery jackets are easier to damage! Read more on the dedicated Eneloop PRO page.Īs you can see some packages say 70% charge left after 10 years, and some packages say 70% capacity left after 10 years. They may have changed this with their latest Panasonic upgrade (BQ-BS1E). Sanyo noted that they do not fit the AA to D size spacers (NCS-TG-D). This is such a tiny bit of difference that most people do not notice it. Another thing you have to consider when buying these Pro batteries is the fact that they are just a tiny bit wider than the standard ones which may result in not fitting. These are NOT recommended for DECT phones or other devices with a continuous charge current. These are highly recommended for Flashlights, Camera strobes, and other powerful devices. If you have 4 batteries parallel you gain the capacity of 1 extra std cell in comparison with 4 std cells parallel. Especially in multiple cell configurations. If you need the extra power and the extra capacity these are the ones to get. Being a high capacity cell, they are only rated for 500 cycles. Featuring the highest capacity with an LSD rating of 85% in 1 year. It's called the High-End battery in their line-up. LSD batteries do generally not like that, but the Lites are the only ones to consider for that kind of use. Because the phones usually stand in a charging cradle with a continuous trickle charge. Standard and Pro batteries are not recommended for this. (even though the standard Eneloops are sometimes recommended as well, Lite cells make much more sense). Besides using them in low drain devices such as clocks, alarms, remote controls, and such, these are the only batteries really recommended for DECT phones. These cells are rated for 3000 cycles (for the Japanese model) or 5000 cycles (for the Chinese model) but have a much lower capacity at 950 mAh for the AA and 550 for the AAA. See more details on the Eneloop tests page. They are good for Flashlights, RC Toys, Cameras, Camera Flash, Radios, MP3 players and much more. They power 1900mAh minimum capacity for their AA and 750mAh for their AAA batteries. In combination with their life cycle rating of 2100, you can't go wrong with the standard models in almost all cases. They are robust enough to handle a very high discharge current for example in powerful flashlights and RC cars. Because the standard white model can be used in almost any kind of application.
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