Used only with the LR03 and LR6. The load is actually fast enough for small capacity batteries (1500 mAh). For my camera batteries of 2500 mAh, it takes almost double the time (approximately two hours) for a full charge. It's very honest. It's not the fastest charger in the world, but it must certainly less damaging batteries that ultra-fast chargers.
Remains rather large footprint of the machine. It can certainly be recharged a large number of batteries, but I confess I do not use rechargeable large sizes, making a large volume for my little ones. I did not see the device as big and it will be difficult in the exportable backpack holiday, pity ...