Download Specifications

FLOODED DEEP CYCLE BATTERY

6 FS 305-SC

Series	FS	Warranty	1 Year
Volts	6	Design	902
Cells	3	Plates/Cell	19
Terminal Type		DT
Included Hardware		Stainless Steel K-Lock Nut
Size & Thread		5/16"-18

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	45 A
Maximum Charge Current	70 A
Self-Discharge Rate	5%-10% per month at 25°C (77°F)

Capacity
Cold Crank Amps (CCA) 0°F / -18°C	987
Marine Crank Amps (MCA) 32°F / 0°C	1234
Reserve Capacity (RC @ 25A)	697 Minutes
Reserve Capacity (RC @ 75A)	183 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	461 AH	4.61 A
@ 72 Hour Rate	454 AH	6.30 A
@ 50 Hour Rate	428 AH	8.57 A
@ 20 Hour Rate	360 AH	18.00 A
@ 15 Hour Rate	342 AH	22.80 A
@ 10 Hour Rate	317 AH	31.68 A
@ 8 Hour Rate	310 AH	38.70 A
@ 5 Hour Rate	284 AH	56.88 A
@ 1 Hour Rate	144 AH	144.00 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	46.5 kg	103 lbs
	Length	311 mm	12.25"
	Width	181 mm	7.13"
	Height Incl. Term.	362 mm	14.25"
	Product measurements & weights are calculated based on sample data. Individual specifications are subject to vary due to the manufacturing process & battery components.

Electrolyte Reserve	44 mm	1.75"
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

Cycle Life vs. Depth of Discharge

Voltage vs. Depth of Discharge

Detailed Illustration

Rev.#4 | August 2024