As a professional, I recommend the Chargers Basetech BTL4, MAHA MH-C9000, MEC AV4m. Easier very good reliable chargers without detailed display but still with individual supervision would be the SwissCharger P2, Sanyo MQR06 or GP Power Bank H500.
Unfortunately, ReCyko + (Made in China) are strangely more expensive than the Eneloop (made in Japan) batteries. The latest 4th generation Eneloop Panasonic has only a self discharge of 10% the first year and after 5 years are still 70% left. In ReCyko + is 20% in the first year. The Eneloop can be recharged up to 2,100 times that. ReCyko + 1000 times
But still better than normal NiMH batteries without LSD technology.
For the obsolete NiMH batteries without LSD have a very high self-discharge. One day after the full charge lose that 10-20% of its load. After further month storage, the NiMH batteries lose further to 20% to 50% charge. And each additional month it halved in extreme cases further. After one year of storage as a battery is usually almost completely empty. Although there is 2700mAh, which after a short storage period (1 month) is only less than 1000mAh there. When battery with LSD with 2000mAh Initially one has after 12 months still 1800mAh.
In conventional NiMH batteries can not use the whole capacity, because the voltage drops rapidly below a critical value. Under 1.1V many units shut down automatically and notify that the battery is empty. Often up to 50% energy remaining in a conventional NiMH battery pack if a device off automatically. Also because the LSD-batteries have an enormous advantage, here the voltage drops below a critical value only when really little more energy in the LSD-battery is left.
This is one of the reasons why LSD batteries hold less capacity much longer than conventional batteries with more capacity (similar to Energizer Advertise with the hare, running and running, when everyone else is already flat).
A personal experience: with conventional AA 2700mAh NiMH batteries or new AA alkaline batteries makes my old Kodak ZD710 digital camera just 10-20 photos before the "Battery empty" comes and the camera turns itself off. However, with the 2000mAh Eneloop (LSD) or ReCyko + (LSD) makes this digital camera almost 300 photos all with lightning! Only then comes the "Battery empty".
Enter For more information about LSD batteries Just looking at Wikipedia "NiMH rechargeable battery with low self-discharge".
Amazon has here for their own LSD batteries a nice table in the product description below:
The table can be seen that with 1900mAh LSD batteries 514 photos with alkaline batteries only 117 photos are possible (with conventional NiMH batteries even less).
