Since 2005, Torqeedo has been providing marine drives powered by lithium batteries. They have established themselves as the leading provider of comprehensive and integrated protection and safety measures for lithium batteries in the market.
It's a 1080 Wh integrated lithium pack that weighs just 8.6 kg (19 lbs) and works with the Travel 1104 long and short shaft motors (#1160-00 and #1161-00)