Ron Bentham's Funky Mercedes Hymer S700 Motorhome blog: Battery management for camper vans - No excuse not to!
Spotlight on lithium batteries - Practical Motorhome
Comparing Hymer Smart Battery System to cheaper alternatives
Hymer Smart Battery System | Do you know about our revolutionary Hymer Smart Battery System? This video explains everything you need to know! | By Hymer Eriba | Facebook