Download Specifications

FLOODED DEEP CYCLE BATTERY

S12 185

Series	4000	Warranty	3 Years
Volts	12	Design	921
Cells	6	Plates/Cell	11
Terminal Type		DT
Included Hardware		Stainless Steel K-Lock Nut
Size & Thread		5/16"-18
Cables		Optional: 19" 4/0 interconnect cable

Charge
Charge Voltage Range	2.45-2.5 V/cell @ 25°C (77°F)
Float Voltage Range	2.25 V/cell @ 25°C (77°F)
Recommended Charge Current	25 A
Maximum Charge Current	40 A
Self-Discharge Rate	5%-10% per month at 25°C (77°F)

Capacity
Cold Crank Amps (CCA) 0°F / -18°C	810
Marine Crank Amps (MCA) 32°F / 0°C	1013
Reserve Capacity (RC @ 25A)	406 Minutes
Reserve Capacity (RC @ 75A)	107 Minutes

Capacity Affect by Temperature	40°C (104°F)	25°C (77°F)	0°C (32°F)	-15°C (5°F)
Capacity Affect by Temperature	105%	100%	75%	50%

Hour Rate	Capacity / AMP Hour	Current / AMPs
@ 100 Hour Rate	279 AH	2.79 A
@ 72 Hour Rate	265 AH	3.68 A
@ 50 Hour Rate	250 AH	5 A
@ 20 Hour Rate	210 AH	10.5 A
@ 15 Hour Rate	200 AH	13.3 A
@ 10 Hour Rate	185 AH	18.48 A
@ 8 Hour Rate	181 AH	22.58 A
@ 5 Hour Rate	166 AH	33.18 A
@ 1 Hour Rate	84 AH	84 A
Ampere hour capacity ratings based on specific gravity of 1.280 at 27°C (80°F). Reduce capacities 5% for specific gravity of 1.265 and 10% for 1.250.

Specifications
	Weight	52 kg	114.5 lbs
	Length	391 mm	15.38"
	Width	178 mm	7"
	Height Incl. Term.	365 mm	14.38"
	Product measurements & weights are calculated based on sample data. Individual specifications are subject to vary due to the manufacturing process & battery components.

Electrolyte Reserve	51 mm	2"
Container	Polypropylene
Cover	Polypropylene
Handles	Rope / Plastic Handle
Plastics are UL94 HB (UL94-V2 available) Plastics are impact copolymer rated to ASTM D256, D5420 Vented design with integral flame arrestor vent caps

Voltage vs. Depth of Discharge

Detailed Illustration

Rev.#2 | August 2024