These battery packs have been specially developed for use with the JUMBO system.
BAJ1 has to be charged with a JUMBO charger CHJ2 or a JUMBO control box CBJ1 or CBJ2 with integrated charger.
BAJ2 can be charged as BAJ1, but can also be charged through an integrated DC-plug for use with external charger CH01.
BAJ1 is available in a special edition that can be used in the harsh conditions in the pool environment both outdoor and indoor.