Power 26-104 High-performance Lithium Battery For commercial operators and green boaters

Power 26-104 Technical Data

General features
Capacity 2,685 Wh
Nominal voltage 25.9 V
Final charging voltage 29.05 V
Final discharging voltage 21.0 V
Nominal charge 104 Ah
Maximum discharge rate 180 A Safety function against short-circuit, must not be used as starter battery
Maximum discharge rate at nominal voltage 4,500 W
Weight 24.3 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) 110 Wh/kg
Energy density (volume) 84 Wh/l
Price-performance EUR 0.93 /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 +55°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 2.25 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
 

Power 26-104 dimensions