| 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 |
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