4 AA Fujitsu in case - 1900mAh

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Quick Overview

4 AA Fujitsu Ni-MH batteries.
Up to 2000 mAh capacity (min. 1900 mAh)
2100 times rechargeable.

These batteries are produced by FDK, they also produce the Eneloop cells. These cells in these batteries are the same as in the eneloop BK-3MCCE (2100x times rechargable), the only difference is the label.
Made in Japan
Production date december 2014.

These batteries are quite old, but they still work great after only a few cycles of charging and discharging. We achieved the following result with a Maha-Powerex C9000 charger by charging with 1000mA and discharging with 500mA:

First charge and discharge:
battery 1: 1680mAh
battery 2: 1762mAh
battery 3: 1686mAh
battery 4: 1644mAh

After 5 more cycles of charging and discharging:
battery 1: 1897mAh
battery 2: 1899mAh
battery 3: 1887mAh
battery 4: 1906mAh

After an additional Refresh and Analyze session:
battery 1: 1939mAh
battery 2: 1903mAh
battery 3: 1917mAh
battery 4: 1910mAh

So after 7 charge and discharge cycles these batteries are almost back to there original capacity. This shows again how amazingly reliable these batteries are.

4 AA Fujitsu in case - 1900mAh

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Fujitsu is one of the best rechargeable Ni-MH battery currently available.

It can now be charged and discharged even up to 2100 times. After charging, up to 90% of the charge remains after 1 year of storage; and up to 70% of the charge remains after 5 years of storage. So, even years later the batteries are still charged. This in contrary to 2700+ mAh Ni-MH batteries, that often loose most of their charge within a couple weeks. Fujitsu batteries are therefore a good option for devices that use low amounts of energy over a long period in time, such as remote controls.

One of the main features of Fujitsu is the higher voltage level. Many applications switch off or show the low battery signal if the voltage is lower than 1,1 Volt. A traditional Ni-MH battery will lose its voltage constantly and runs under this critical level very soon. Fujitsu batteries however will keep the voltage level over 1,1 Volt for a long time. This makes sure that the flash of a photocamera is ready for the next photo sooner than with most other rechargeable batteries. And much faster than when you use Alkaline (primary) batteries.

Another great advantage of eneloop is its good performance at low temperatures. Especially when temperatures drop below zero degrees Celsius will Fujitsu batteries perform better than the competition.

You can charge Fujitsu batteries with a normal Ni-MH battery charger.

Additional Information

Brand  Fujitsu
EAN/GTIN  8438493100242
Model:  HR-3UTC
Battery size  AA
Battery chemistry  NiMH
Battery  Rechargeable
Voltage  1.2V
Min. capacity in mAh 1,900.00