AGM Battery 12 V - 80 Ah

Name: AGM Battery 12 V - 80 Ah
Brand: WhisperPower

Model 40290061

12 V 80 Ah AGM (VRLA) maintenance-free battery for marine, mobile and solar systems, inverters, pumps, winches and engine starting.

Description

The WhisperPower AGM Battery 12 V – 80 Ah (part number 40290061) is a maintenance-free VRLA (valve-regulated lead-acid) battery that needs little ventilation and can be installed in any orientation. It suits marine, mobile and solar energy systems, medium-sized inverters, DC installations, pumps and winches, and can also be used as a starter battery.

Technical data

Nominal: 12 V, 80 Ah (C10); 6 cells
Capacity: 85.3 Ah (20 h), 80.0 Ah (10 h), 65.0 Ah (5 h); 146 min at 25 A
Float charge: 13.60–13.80 VDC; absorption: 14.25–14.60 VDC at 25 °C
Max recommended charge current: 40–50% of capacity
Inrush current (5 s, 25 °C): 800 A
Cycle life at 80% discharge: 400
Self-discharge: <3% per month at 25 °C; internal resistance approx. 5.5 mΩ
Dimensions: 350 × 167 × 180 mm; weight 24.0 kg; M6 stainless terminals

Specifications

40290061	AGM Battery 12 V - 80 Ah
Length x width x height	350 x 167 x 180 mm (13.8" x 6.6" x 7.1" inch)
Weight ± 10%	24.0 kg (52.9 lb.)
Nominal capacity	80 Ah
C10* or C20	C10
Nominal voltage	12,0 VDC
Terminal type	M6 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	85.3Ah
10 hours discharge	80.0 Ah
5 hours discharge	65.0 Ah
Peukeurt Coefficient	1.21<P<1.24
Usage at 25 A discharge	146 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)	800 A
Cyclic life at 80% discharge	400
Internal resistance (approx.)	5,5m Ω

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