44
45
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Technical data
General characteristics
Capacity
2,685 Wh
Nominal voltage
25.9 V
Final charging voltage
29.05 V
Reversible protected mode*
Final discharging voltage
21.0 V
Reversible protected mode*
Nominal charge
104 Ah
Maximum discharge rate (A)
180 A
Safety function, not a starter battery
Maximum discharge power (W)
4,660 W
Weight
24,3 kg / 53.6 lbs
Dimensions
577.5 x 218.5 x 253.5 mm /
22.7 x 10 x 8.6 inches
Volume
32 l
Battery chemistry
Li NMC
Benchmark information
Energy density (Weight)
110,5 Wh/kg / 50 Wh/lbs
Energy density (Volume)
84 Wh/l
Power density (Weight)
180 W/kg / 81.8 W/lbs
Power density (Volume)
141 W/l
Lifetime data
Cycle lifetime
800 cycles at 100% deep discharge at 25 °C /
800 cycles at 100% deep discharge at 77 °F
Results in approx. 25 % capacity loss
Average capacity loss per year
Ca. 4% at 25 °C ambient temperature /
Ca. 4% at 77 °F ambient temperature
Depending on utilization and
environmental temperature
Usage information
Cell operating temperature
-20 °C to +65 °C / -4 °F to +149 °F
Cell charging temperature
0 °C to +45 °C / 32 °F to +113 °F
Storage temperature
-30 °C to +55 °C / -30 °F to +131 °F
Typical storage time at
50% charge
1 year
Max. Connections
2S8P or 1S16P
For larger battery banks refer
to Torqeedo
Max. quick charge
100 A
Charging time < 1.2 hours
Protection class
IP 67
Waterproof, can be submerged up to 1
meter for 30 minutes without damage
Battery composition
Number of cells
336
Cell housing
Steel cylinder safety cell
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
Cell-Balancing
Yes
Increases the lifetime of the battery
High current and short circuit
protection
Yes
4 level safety cut-off mechanism to pro-
tect against short circuit and overcurrent
Deep discharge protection
Yes
Cutoff at < 18,9 V
Charge protection at < 16 V
Protection against incorrect
charging
Yes
3 protection levels against overcharging
Protection against wrong polarity
connection
Yes
Individual cell voltage monitoring
Yes
Current Interruption Device for
each cell
Yes
Safety vent for each cell
Yes
Cell temperature monitoring
Yes
PCB temperature monitoring
Yes
Automatic shutdown in case of
submersion of the batterie
Yes
Information system
Interface
RS485
Electronic battery identification
Yes
Important for connection of multiple
batteries into battery banks
Data logging
Yes
Important for warranty information