WhisperPower AGM Battery 12 V – 55 Ah

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Details

WhisperPower AGM Battery 12 V – 55 Ah

The WhisperPower AGM Battery 12 V – 55 Ah is the most economical, maintenance-free battery designed for long life. WhisperPower 12 V – 55 Ah AGM batteries are based on VRLA technology (Valve Regulated Lead Acid), meaning they require little ventilation, do not have to be positioned upright and do not require any maintenance.

• 55 Ah, 12 VDC
• Suitable for medium sized inverters
• Power supply for entire DC installation
• Powering pumps and winches
• Suitable for marine, mobile and solar energy systems- and as a starter battery

Data

Article number:

WPP-40290060

Nominal battery voltage :

12 VDC

Capacities (Ah) :

55 Ah

Cell number:

6

Website:

https://www.whisperpower.com/agm-battery-12-v-55-a...

Weight:

18 kg/pcs

Technical specification

TECHNICAL SPECIFICATIONS
Length x width x height	229 × 138 × 210 mm (9" x 5.4" x 8.3" inch)
Weight ± 10%	18.0 kg / 39.7 lb.
Nominal capacity	55 Ah
C10* or C20	C10
Nominal voltage	12,0 VDC
Terminal type	M6 rvs
Number of cells	6

CHARGE / DISCHARGE PARAMETERS
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 CAPACITY AT 25°C
Nominal 25°C	UP TO 1.75 VDC/CEL
20 hours discharge	58.6Ah
10 hours discharge	55.0 Ah
5 hours discharge	44.5 Ah
Peukeurt Coefficient	1.21<P<1.24
Usage at 25 A discharge	92 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

BATTERY PARAMETERS
Inrush current at 25°C (5s)	550 A
Cyclic life at 80% discharge	400
Internal resistance (approx.)	6,0m Ω