SPECIFICATIONS
Nominal capacity (C20)
180 Ah
Nominal voltage
12 VDC
Type
Deep cycle GEL battery with 12 years floating design life. Superior design for frequent cyclic discharge applications under extreme temperatures. Strong grid construction to ensure reliability under frequent deep discharge use. Over 400 cycles possible at
Weight (tolerance 1.5%)
53 Kg
Dimensions l*w*h in mm (excl. terminals)
530*209*214 mm
Terminal type
M8 stainless steel
Number of cells
6
CHARGE/DISCHARGE PARAMETERS
Constant voltage Charging (IU, float)
13.60 to 13.80 VDC @ 25C
Cyclic Charging ( IUU, absorption)
14.25 to 14.60 VDC @ 25 C
Recommended charging current limit (higher possible)
36 A
Temperature cut-off ratio
4mv/cell/°C
Discharge cut off voltage
1.75 VDC @ (A) <= 0.2 C
 
1.70 VDC @ 0.2 C (A) <= 1.0 C
100% depth of discharge d.o.d.
1.65 VDC @ (A) >= 1.0 C
RATED CAPACITY @ 25°C
20 hrs discharge
180 Ah
10 hrs discharge
169 Ah
5 hrs discharge
146 Ah
Peukert Coefficient
1.21<P<1.24
Time reserve minutes 25 amps discharge
341 minutes
Self discharge
Less than 3% per month @ 25°C
Storage time
GEL-power batteries can be stored for maximum 6 months at 25°C, Charging recommended before using
BATTERY PARAMETERS
Cranking amps @ 25°C ( 5 sec)
1800 A
Cycle life at 80% of D.O.D
600
Internal resistance Approx.
6 mΩ
ACCESSORIES
40290099
Battery pole suitable for the WhisperPower AGM and GEL batteries >_ 100Ah - complete with M8 bolt
40290310
Battery consumption meter: WBM-Basic
40290311
Battery consumption meter: WBM-Pro includes ‘Time remaining’ function
40290312
Battery consumption meter: WBM-Pro HV (High Voltage)