Download Specifications

FLOODED DEEP CYCLE BATTERY

8 HHG 21P

Series	4000	Warranty	3 Years
Volts	8	BCI	SPEC
Cells	4	Plates/Cell	21
Terminal Type		Flag L
Included Hardware		S/S Hex Cap Screw, Nut, Lock & Flat Washer
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)
Self-Discharge Rate	5%-10% per month at 25°C (77°F)

Capacity
Cold Crank Amps (CCA) 0°F / -18°C	1033
Marine Crank Amps (MCA) 32°F / 0°C	1291
Reserve Capacity (RC @ 25A)	552 Minutes
Reserve Capacity (RC @ 75A)	184 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	306 AH	3.06 A
@ 72 Hour Rate	290 AH	4.03 A
@ 50 Hour Rate	274 AH	5.47 A
@ 20 Hour Rate	230 AH	11.5 A
@ 15 Hour Rate	219 AH	14.57 A
@ 10 Hour Rate	202 AH	20.24 A
@ 8 Hour Rate	198 AH	24.73 A
@ 5 Hour Rate	182 AH	36.34 A
@ 1 Hour Rate	92 AH	92 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	53.5 kg	118 lbs
	Length	54 cm	21.25"
	Width	18.7 cm	7.38"
	Height Inc. Term.	28.3 cm	11.13"
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	70 mm	2.75"
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	Rope

Cycle Life vs. Depth of Discharge

Voltage vs. Depth of Discharge

Rev.#3 | May 2018