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.
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
| 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 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 +60°C | Battery protects itself |
| Cell charging temperature | 0°C to +45°C | Battery protects itself |
| Temperature (storage) | -30°C to +55°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 | 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 |