Product description High-performance lithium battery 3,500 Wh Energy power density to 138 Wh / kg Weight is just 25.3 kilograms 12 hours to fully recharge with the standard 350 watt charger Optional 1700 watt fast charger recharges under 2 hours Waterproof to IP67 Including battery management system with integrated protection against overcharging, short circuit, deep discharge, polarity reversal, overheating and submersion Ordering information Item number: 2106-00 |EAN: 4260113695609 Equipment included: Power 24-3500 high-performance lithium battery 3,500 Wh (25.2 V), data cable for connection to Cruise drives Warranty: 2 years for non-commercial use Power 24-3500 The perfect high-end lithium battery for the Cruise. Or for your on-board power supply. Choosing lithium means choosing high performance. Choosing the Power 24-3500, also means choosing an unrivalled level of professional safety. The Power 24-3500 is equipped with a comprehensive safety system combining the requirement for general operating safety with safety in maritime use. Thanks to plug&play, the Power 24-3500 can be installed and activated in a few short steps. And with a 5-stage safety concept it is arguably the safest battery of its kind for boats. Its long life expectancy and low capacity losses are convincing. Power 24-3500 – Benefits: Up to 70% less battery weight than AGM or gel batteries Maximum safety thanks to 5-tier safety system, including battery management system with one-fault safety Simple operation Waterproof to IP67 Power 24-3500 Technical Data General features Capacity 3,507 Wh Nominal voltage 25.2 V Final discharging voltage 21.0 V Nominal charge 139,2 Ah Maximum discharge rate 180 A Safety function against short-circuit, must not be used as starter battery Maximum discharge rate at nominal voltage 4,660 W Weight 25.3 kg Dimensions (L x H x B) 577.5 mm x 218.5 mm x 253.5 mm Volume 32 l Battery chemistry Li NMC Benchmark information Energy density (weight) 138 Wh/kg Energy density (volume) 110 Wh/l Price-performance EUR 0.86 EUR/Wh Power density (weight) 185 W/kg Power density (volume) 141 W/l Lifetime data Cycle lifetime 800 cycles with 100%discharge depth at 25C result in capacity loss of approx. 25% Average annual capacity loss Approx. 4% at 25C ambient temperature Usage information Cell operating temperature -20C to +60C Battery protects itself Cell charging temperature 0C to +45C Battery protects itself Temperature (storage) -30C to +55C Typical storage time at 50% SOC 1 year When switched off Max. connections 2S8P or 1S16P Please contact Torqeedo if larger battery banks required Max. quick charge 100 A Charging time < 1.2 hours Protection class IP67 Waterproof, can be submerged to depth of 1 metre for 30 minutes without damage Battery composition Number of cells 336 Cell housing Steel cylinder safety cells Capacity per cell 2.875 Ah Nominal voltage per cell 3.7 V Cell connection 7s48p Battery management system and safety On-off switch Yes Via Cruise or motors or on/off switch Cell balancing Yes Increases the battery lifetime High-current and short-circuit protection Yes 4-level safety cut-out mechanism to protect against short-circuits and overcurrent Deep discharge protection Yes, cut-off at < 2.7 V per cell,charge protection at < 2 V per cell Protection against incorrect charging Yes 3 protection levels against overcharging Protection against polarity reversal Yes Individual cell voltage monitoring Yes Current interruption device (CID) for each cell Yes Safety vent for each cell Yes Cell temperature monitoring Yes Temperature monitoring of battery electronics Yes Automatic shutdown in the event of submersion Yes Information system Interface RS485 Electronic battery identification Yes Important for connecting multiple batteries into battery banks Data logging Yes Important for warranty information