The materials are solid, the charger is big enough. It allows to load a lot of different batteries and accumulators, small AAA battery 9v. Good point also, it can charge up to 4 independently batteries / accumulators at the same time (see 5 with 9v battery). It also allows you to load two different types of batteries: Ni-MH and Ni-Cd batteries for Alkaline (forget Salines batteries type). The other highlight is the load indication screen that indicates the charge level and whether the battery / the battery is in good condition. It's really convenient even if it does not count on the reliability of highly random load level for the different batteries / rechargeable batteries you put in it.
The unit does not heat up too much, more for rechargeable batteries that (slower to load) and ergonomics of the device is made it is not difficult to introduce different sizes of batteries / accumulators, batteries However 9v is a little difficult to remove.
Regarding the batteries: this can be very slow: count to ~ 6 AA beyond what is either the battery is discharged or that it really is not in good condition ( So to avoid) especially if it gets very hot. After charging a battery in good condition the voltage reaches 1.7V not far from! It is against lower with really flat batteries: 1.4V is not bad.
A few days after receiving the device battery, visibly poorer condition than her girlfriends to exploded in the camera, nothing serious, some liquid flowed, cleaned immediately with a tissue and removed illico battery. The device still works perfectly, but that said beware of batteries you give it to recharge: Avoid batteries too shabby, and you attempt the charge on some old batteries, do not stay away from the device, in case ...
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Positives:
+ The fact that this charger recharges the batteries (correctly) is already a positive
+ Quality Materials
+ The load indication and LED charge status display
+ Adapts to many different styles and load them independently batteries
Negative points:
- Beware of the load with some old batteries too!