FLOODED DEEP CYCLE BATTERY

4 KS 21P

Series 5000 Warranty 5 Years
Volts 4 BCI 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 / -17°C 2754
Marine Crank Amps (MCA) 32°F / 0°C 3443
Reserve Capacity (RC @ 25A) 2756 Minutes
Reserve Capacity (RC @ 75A) 919 Minutes
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

Amphere hour capacity ratings based on specific gravity of 1.280.
Reduce capacities 5% for specific gravity of 1.265 and 10% for 1.250.

Specifications
Weight 121 kg 267 lbs
Length 40 cm 15.75"
Width 23.8 cm 9.38"
Height Inc. Term. 62.9 cm 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 levels.
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

Cycle Life vs. Depth of Discharge

Voltage vs. Depth of Discharge

Rev.#3 | May 2019