Download Specifications

FLOODED DEEP CYCLE BATTERY

4 KS 21P

Series	5000	Warranty	5 Years
Volts	4	Design	SPEC
Cells	2	Plates/Cell	21
Terminal Type		Flag
Included Hardware		S/S Hex Cap Screw, Nut, Lock & Flat Washer
Size & Thread		5/16"-18
Cables		19" 4/0 interconnect cables *RE incl.

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)
Self-Discharge Rate	5%-10% per month at 25°C (77°F)

Capacity
Cold Crank Amps (CCA) 0°F / -18°C	2754
Marine Crank Amps (MCA) 32°F / 0°C	3443
Reserve Capacity (RC @ 25A)	2756 Minutes
Reserve Capacity (RC @ 75A)	919 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	1481 AH	14.81 A
@ 72 Hour Rate	1401 AH	19.45 A
@ 50 Hour Rate	1326 AH	26.52 A
@ 20 Hour Rate	1148 AH	57.41 A
@ 15 Hour Rate	1068 AH	71.19 A
@ 10 Hour Rate	1022 AH	102.19 A
@ 8 Hour Rate	987 AH	123.43 A
@ 5 Hour Rate	919 AH	183.71 A
@ 1 Hour Rate	517 AH	516.67 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	121 kg	267 lbs
	Length	400 mm	15.75"
	Width	238 mm	9.38"
	Height Incl. Term.	629 mm	24.75"
	Product measurements & weights are calculated based on sample data. Individual specifications are subject to vary due to the manufacturing process & battery components.

Electrolyte Reserve	95 mm	3.75"
Container (Inner)	Polypropylene
Cover (Inner)	Polypropylene - heat sealed to inner container
Container (Outer)	High Density Polyethylene
Cover (Outer)	High Density Polyethylene snap fit to outer container
Handles	Molded
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.#5 | August 2024