• 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

 

 

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 25°C
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

 

• 203-00115_V1.0_EC-Declaration_of_Conformity_POWER_24.pdf