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Torqeedo 2012 Catalog - Jamestown Distributors

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Technical Data<br />

General characteristics<br />

Capacity<br />

2,685 Wh<br />

Battery composition<br />

Number of cells 336<br />

Nominal voltage<br />

Final charging voltage<br />

Final charging current<br />

Nominal charge<br />

25.9 V<br />

29.05 V<br />

21.0 V<br />

104 Ah<br />

Maximum discharge rate (A) 180 A Safety function, not a starter battery<br />

Maximum discharge rate (W)<br />

Weight<br />

Dimensions<br />

Volume<br />

Battery chemistry<br />

Benchmark information<br />

Energy density (Weight)<br />

Energy density (Volume)<br />

Price-performance ratio<br />

Power density (Weight)<br />

Power density (Volume)<br />

Lifetime data<br />

Cycle lifetime<br />

Average capacity loss per year<br />

Usage information<br />

4,500 W<br />

55 lbs<br />

18.8 x 8.6 x 9.9 inches<br />

32 l<br />

Li NMC<br />

48.7 Wh/lbs<br />

84 Wh/l<br />

$ 0.97 / Wh<br />

81.8 W/lbs<br />

141 W/l<br />

800 cycles at 100% deep<br />

discharge at 77 °F<br />

Ca. 4% at 77 °F ambient<br />

temperature<br />

results in ~ 25 % capacity loss<br />

Cell operating temperature -4° to +140 °F Battery protects itself<br />

Cell charging temperature 32° to +131 °F Battery protects itself<br />

Storage temperature -30° to +131 °F<br />

Typical storage time at 50% SOC<br />

1 year<br />

Max. connections 2S8P or 1S16P for larger battery banks refer to <strong>Torqeedo</strong><br />

Max. quick charge 100 A Charging time < 1.2 hours<br />

Cell housing<br />

Capacity per cell<br />

Nominal voltage per cell<br />

Cell connection<br />

Steel cylinder safety cell<br />

2.25 Ah<br />

3.7 V<br />

7s48p<br />

Battery management system and safety<br />

On-Off switch<br />

Yes<br />

Cell balancing Yes Increases the lifetime of the battery<br />

High current and short circuit<br />

protection<br />

Deep discharge protection<br />

Protection against incorrect<br />

charging<br />

Protection against wrong polarity<br />

connection<br />

Individual cell voltage monitoring<br />

Current Interruption Device for<br />

each cell<br />

Safety vent for each cell<br />

Poly switch for each cell<br />

Cell temperature monitoring<br />

PCB temperature monitoring<br />

Automatic shutdown in case of<br />

submersion<br />

Information system<br />

Interface<br />

Yes<br />

Yes, Cutoff at < 2.7 V per cell,<br />

Charge protection at<br />

< 2 V per cell<br />

Yes<br />

Yes<br />

Yes<br />

Yes<br />

Yes<br />

Yes<br />

Yes<br />

Yes<br />

Yes<br />

RS485<br />

4 level safety cut-off mechanism to protect<br />

against short circuit and overcurrent<br />

3 protection levels against overcharging<br />

Electronic battery identification Yes Important for connection of multiple batteries<br />

into battery banks<br />

Data logging Yes Important for warranty information<br />

Protection class IP 67 Waterproof, can be submerged up to 1<br />

meter for 30 minutes without damage<br />

27

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