GORV - Digital Magazine Issue #5 | Page 24

| RV TECHNICAL An Enerdrive lithium power pack installation. Its main claimed benefit is 18-20-year longevity. Its downside (in my opinion) is weight (31.5 kg for a 100 amp hour 12 volt unit). BATTERY FUTURE Battery experts state lithium- ion has already reached its energy storage plateau, i.e., about four or five times that achievable over a century ago for similar size and weight – but nevertheless a major step forward. But there are seriously competing developments. That most likely involves graphene, the strongest and stiffest ma