Torqeedo Power 24-3500

High-performance lithium battery with 3,679 Wh
Energy power density to 145 Wh / kg
Weight is just 25.4 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

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

Capacity 3,679 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 25.4 kg
Dimensions (L x H x B) 577.5 mm x 218.5 mm x 253.5 mm
Volume 32 l
Battery chemistry Li-NCA

Benchmark information
Energy density (weight) 145 Wh/kg
Energy density (volume) 115 Wh/l
Power density (weight) 183 W/kg
Power density (volume) 146 W/l

Lifetime data
Cycle lifetime 800 cycles with 100%
discharge depth at 25°C result in capacity loss of approx. 25%
Average annual capacity loss Approx. 4% at 25°C ambient temperature

Usage information
Cell operating temperature -20°C to +55°C Battery protects itself
Cell charging temperature 0°C to +45°C Battery protects itself
Temperature (storage) -30°C to +50°C
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 50 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 3 Ah
Nominal voltage per cell 3.65 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

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