•  High-performance lithium battery 5.000 Wh
• Rated voltage 44.4 V
• Weight 36,5 kg
• Including battery management system with integrated protection against overcharging, short circuit, deep discharge, polarity reversal, overheating and submersion
• Waterproof to IP67

 

 

A class of its own in lithium batteries for boats: 70% more energy density and 50% longer cycle life than typical lithium LiFePO4 batteries.

With Power 48-5000, Torqeedo brings a new class of lithium batteries to the market. Based on automotive technology and BMW i battery modules, Power 48-5000 delivers industry-leading value with its combination of energy density, long service life, ISO standards compliance, and cost.

 

Specifications

 

Technical Data Power 48-5000

 

General features

 

Capacity	5275 Wh
Nominal voltage	44,4 V
Final discharging voltage	36,0 V
Maximum discharge rate	200 A
Maximum discharge rate at nominal voltage	8.800 W
Weight	36,5 kg
Dimensions (L x H x B)	506 mm x 224 mm x 386 mm
Volume	31 l
Battery chemistry	LMO-NMC

 

 

Benchmark information

 

Energy density (weight)	145 Wh/kg
Energy density (volume)	160 Wh/l
Price-performance	1,00 EUR/Wh
Power density (weight)	250 W/kg
Power density (volume)	280 W/l

 

 

Lifetime data

 

Cycle lifetime	>3000 cycles with 80%	result in capacity loss of approx. 20%
	discharge depth at 25°C
Average annual capacity loss	Approx. 4% at 25°C ambient temperature

 

 

Usage information

 

Ambient temperature, discharging	-10°C up to +50°C
Ambient temperature, charging	0°C up to +45°C
Ambient temperature, storage	-25°C up to +60°C
Typical storage time at 50% SOC
Max. connections	1S1P or 1S2P
Max. quick charge	120 A
Protection class	IP67	Waterproof, can be submerged to depth of 1 metre for 30 minutes without damage

 

 

Battery composition

 

Number of cells	1S12P BEV
Cell housing
Capacity per cell
Nominal voltage per cell
Cell connection

 

 

Battery management system and safety

 

On-off switch	Yes	CAN
Cell balancing	Yes
High-current and short-circuit protection
Deep discharge protection	Yes, cut-off at < 36 V
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	CAN
Electronic battery identification	Yes	Important for connecting multiple batteries into battery banks
Data logging	Yes	Important for warranty information

 

 

• torqeedo-power-48-5000-manual-DE-EN.pdf
• 203-00114_V1.0_EC-Declaration_of_Conformity_POWER_48.pdf