When it comes to rechargeable batteries, everything appears to be the same from the outside, what makes them different is the technology inside the battery. As a person that uses a flash gun, wireless mouse, wireless keyboards, power pack and more, I need to know which brand gives me the best deal.
After much trial and error, based on my own experience of owning various brands, I can safely conclude that nothing beats Panasonic Eneloop. The only drawback is the price, on the other hand, Ikea LADDA is value for money. Without further ado, here are the 3 reason to choose Panasonic Eneloop batteries. After all, you cannot go wrong with the biggest battery maker in the world. Tesla’s battery supplier is none other than Panasonic.
01 – Top Rechargeable Battery Brands / Companies
Do note that Panasonic bought Sanyo and Sanyo’s Eneloop is now known as Panasonic Eneloop. As shown in the table below, Panasonic’s Eneloop has the highest retention rate and cycles. If money is not an issue, go for Panasonic. Ikea LADDA on the other hand is affordable, ideal for those looking for a disposable rechargeable batteries on the go.
|Panasonic eneloop||AA [ 2000 mAh ]|
AAA [ 800 mAh ]
|NiMH||2100 Cycles||Retains 65–70% capacity after five years in storage|
|Panasonic eneloop pro||AA [ 2550 mAh ]|
AAA [ 950 mAh ]
|NiMH||500 Cycles||Retains 85% capacity after one year in storage|
|Panasonic eneloop lite||AA [ 1000 mAh ]|
AAA [ 600 mAh ]
|NiMH||3000 Cycles||Retains 65–70% capacity after five years in storage|
|Sony CycleEnergy||AAA [ 900 mAh ]|
AA [ 2100 mAh ]
AA [ 2500 mAh ]
AA [ 2700 mAh ]
|NiMH||1000||Stays 85% charged after 1 year of storage|
|Energizer PowerPlus||AAA [ 700 mAh ]|
AA [ 2300 mAh ]
|NiMH||700||Charge lasts up to 12 months in storage. % Unknown|
|Energizer Universal||AAA [ 500 mAh ]|
AA [ 1400 mAh ]
|NiMH||1500||Charge lasts up to 12 months in storage. % Unknown|
|Duracell Rechargeable||AAA [ 700 mAh ]|
AA [ 2400 mAh ]
|NiMH||1000||Charge for up to 1 year in storage. % Unknown|
|Ikea LADDA||AAA [ 750 mAh ]|
AA [ 2000 mAh ]
02 – NiMH vs. NiCd vs. Lithium-ion vs. Lithium Poly
When it comes to choosing rechargeable batteries, Lithium-polymer is the best. This is due to the fact that once it is fully charged, it doesn’t lose its capacity as quickly as others. This makes it ideal for emergency and long trips. Nickel–metal hydride [ NiMH ] on the other hand is cheaper and it only makes perfect sense for those that will consume the entire charge within a few days. For instant, photographer and their flash gun.
NiMH has a higher discharge rate than poly but advancement in technology has caught up and today’s NiMH has a high retention rate. These newer batteries from Sony, Panasonic and more has the ability to store their charge for longer than a year. The table below shows the industry average for discharge rate.
efficiency in %
rate in %/month
|Mainly Used In||Time durability|
|1.2||66%||5 - 30%||Rechargeable Batteries||2 - 5|
|3.6||99%||5%-10%||Smartphone batteries||2 - 6|
|3.7||99.8%||5%||Power Bank / Power Pack||2 - 3|
03 – Quality vs Quantity – Panasonic Eneloop vs Ikea LADDA
When it comes to photography, speed is everything and the best AA rechargeable batteries for your Speedlight Flash gun will be none other than Panasonic Eneloop. As shown in the test below, a head to head comparison between Sanyo Eneloop on two Nissin 622 Mark II reveals that the winner is Eneloop. The Eneloops have been used for about 2 years while the Laddas are brand new after their first full charge at home. In short, Eneloop is the best rechargable batteries for your Nikon SB-900, Nikon SB-700, Nikon SB-600, Canon 580EX II, Canon 430 EX II.