Power 24-3500

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SKU: 2106-00

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.


  • 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
General features
Capacity3,507 Wh 
Nominal voltage25.2 V 
Final discharging voltage21.0 V 
Nominal charge139,2 Ah 
Maximum discharge rate180 ASafety function against short-circuit, must not be used as starter battery
Maximum discharge rate at nominal voltage4,660 W 
Weight25.3 kg 
Dimensions (L x H x B)577.5 mm x 218.5 mm x 253.5 mm 
Volume32 l 
Battery chemistryLi NMC 
Benchmark information
Energy density (weight)138 Wh/kg 
Energy density (volume)110 Wh/l 
Price-performanceEUR 0.86 EUR/Wh 
Power density (weight)185 W/kg 
Power density (volume)141 W/l 
Lifetime data
Cycle lifetime800 cycles with 100%
discharge depth at 25°C
result in capacity loss of approx. 25%
Average annual capacity lossApprox. 4% at 25°C ambient temperature 
Usage information
Cell operating temperature-20°C to +60°CBattery protects itself
Cell charging temperature  0°C to +45°CBattery protects itself
Temperature (storage)-30°C to +55°C 
Typical storage time at 50% SOC1 yearWhen switched off
Max. connections2S8P or 1S16PPlease contact Torqeedo if larger battery banks required
Max. quick charge100 ACharging time < 1.2 hours
Protection classIP67Waterproof, can be submerged to depth of 1 metre for 30 minutes without damage
Battery composition
Number of cells336 
Cell housingSteel cylinder safety cells 
Capacity per cell2.875 Ah 
Nominal voltage per cell3.7 V 
Cell connection7s48p 
Battery management system and safety
On-off switchYesVia Cruise or motors or on/off switch
Cell balancingYesIncreases the battery lifetime
High-current and short-circuit protectionYes4-level safety cut-out mechanism to protect against short-circuits and overcurrent
Deep discharge protectionYes, cut-off at < 2.7 V per cell,
charge protection at < 2 V per cell
Protection against incorrect chargingYes3 protection levels against overcharging
Protection against polarity reversalYes 
Individual cell voltage monitoringYes 
Current interruption device (CID) for each cellYes 
Safety vent for each cellYes 
Cell temperature monitoringYes 
Temperature monitoring of battery electronicsYes 
Automatic shutdown in the event of submersionYes 
Information system
Electronic battery identificationYesImportant for connecting multiple batteries into battery banks
Data loggingYesImportant for warranty information

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