Importer Tecmar has started distributing Chinese TopBand lithium batteries for motorhomes, campervans and boats in France. The LiFePO4 batteries come in two ranges: fixed auxiliary T-Premium (100 to 300 Ah, €719 to €1,658) and portable Powout (1,152 and 1,600 Wh, €1,008 to €1,184). The manufacturer claims over 6,000 charge/discharge cycles and the ability to connect up to 4 batteries in series and 16 in parallel.