Hello,
I already have the one on the left BQ-CC17 and I wonder whether quick charger BQ-CC55 on the right is good too and does not wear out batteries. It costs double of the price of 2 BQ-CC17 combined.
They all come with 4 batteries. I could get 8 batteries and have a total of 3 BQ-CC17 chargers or 4 batteries and have 1 of each charger type.
Thanks
Quick chargers always reduce battery longevity.
That said Eneloops have so many cycles available already that some loss is not a big deal.
That said 3 hours is not bad (1/3C is a bit more than recommended but not by much) but if your concern is longest lifetime then stick with the one you have.