AGM Battery 12 V - 145 Ah

Name: AGM Battery 12 V - 145 Ah
Brand: WhisperPower

Model 40290062

Maintenance-free 12 V, 145 Ah (C10) AGM VRLA battery for marine, mobile and solar systems and as a starter battery; 400 cycles at 80% DoD, 1450 A cranking current.

Description

The WhisperPower AGM Battery 12 V – 145 Ah is a maintenance-free VRLA (valve regulated lead-acid) battery designed for long service life. It needs little ventilation and does not have to be installed upright.

Applications

Medium-sized inverters
Power supply for the entire DC installation
Pumps and winches
Marine, mobile and solar energy systems; also usable as a starter battery

Technical data

Part number: 40290062
Capacity: 145 Ah (C10); 167 Ah (20 h); 131 Ah (5 h)
Nominal voltage: 12.0 VDC, 6 cells; M8 terminals
Float charge: 13.60–13.80 VDC; cyclic (absorption) charge 14.25–14.60 VDC at 25 °C
Recommended maximum charge current: 40–50% of nominal capacity
Reserve: 305 min at 25 A discharge
Cranking current (5 s, 25 °C): 1450 A
Cycle life: 400 at 80% DoD
Self-discharge: <3% per month at 25 °C; internal resistance approx. 4.5 mΩ
Dimensions: 340 x 173 x 280 mm; weight 44.0 kg

Specifications

40290062	AGM Battery 12 V - 145 Ah
Length x width x height	340 × 173 × 280 mm (13.4" x 6.8" x 11" inch)
Weight ± 10%	44.0 kg (97 lb.)
Nominal capacity	145 Ah
C10* or C20	C10
Nominal voltage	12,0 VDC
Terminal type	M8 rvs
Number of cells	6
Constant charge voltage (IU, float)	13.60 .. 13.80 VDC at 25oC
Cyclic charge voltage (IUU, absorption)	14.25 .. 14.60 VDC at 25oC
Maximum recommended charge current (higher possible)	40 to 50% of nominal capacity
Temperature ratio	-4mv/cel/°C
Discharge voltage	1.75 VDC @ (A) ≤ 0.2°C • 1.70 VDC @ 0.2°C (A) ≤ 1.0°C
Full discharge (100% DOD)	1.65 VDC @ (A) ≥ 1.0°C
Nominal 25°C	UP TO 1.75 VDC/CEL
20 hours discharge	167.0 Ah
10 hours discharge	145.0 Ah
5 hours discharge	131.0 Ah
Peukeurt Coefficient	1.21<P<1.24
Usage at 25 A discharge	305 min
Self discharge	Less than 3% per month at 25°C
Storage time	AGM batteries can be stored for up to 6 months at 25°C, recommended to charge before use
Inrush current at 25°C (5s)	1450 A
Cyclic life at 80% discharge	400
Internal resistance (approx.)	4,5m Ω

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System / Package

R.W. Fernstrum

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Structurally reinforced stainless laser-plate heat-exchanger banks that replace failing pipe coils in barge and tanker cargo holds — built to survive sloshing loads in part-filled tanks while heating crude oil, caustic soda and other cargoes.