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Installed Fall 1999, still in use Summer 2003.

Battery Model: D750S Part Number: 8012-021 Nominal Voltage: 12 volts Description: High power, sealed, lead acid deep cycle battery.

Physical Characteristics:

Plate Design:	High purity lead-tin alloy. Wound cell configuration using utilizing proprietary SPIRALCELL technology.
Electrolyte:	Sulfuric acid, H2SO4. Specific gravity: 1.342
Case:	Polypropylene
Color:	Case: Light Gray  Cover: "Optima" Yellow
Group Size:	BCI: 34

	Standard	Metric
Length:	10"	254 mm
Width:	6.8"	172.2 mm
Height:	7.8"	198.1 mm(height at the top of the terminals)
Minimum Weight:	42.9lb.	19.49kg

Terminal Configuration: SAE / BCI automotive.

 Performance Data:

Open Circuit Voltage (full charged):	13.2 volts
Internal resistance (fully charged):	.0028 ohms
Capacity:	65 Ah (C/20)52 Ah (C/2)
Reserve Capacity:	BCI: 124 minutes (25 amp discharge, 80°F (26.7°C), to 10.5 volts cut-off)

Power:

CCA (BCI 0°F):	750 amps
MCA (BCI 32°F):	950 amps
Battery Power (C/2)	8.4 kW 412 W/Kg 955 W/L
Battery Energy (C/2)	624 Wh  30.6 Wh/Kg 70.9 Wh/L

Cycle life:

Cycle Life - deep cycle (BCI):	~ 350 cycles
J240 Life Cycle (BCI):	10,000 - 12,000 cycles
EV, C/2 discharge to 10.5 volts, retaining 80% capacity:	>220 cycles

Recommended Charging:
The following charging methods are recommended to ensure a long battery life:
(Always use a voltage regulated charger, with voltage limits set as described below.)

 Model: D750S
These batteries are designed for cyclic applications and for use in vehicles with large accessory loads.

Recommended charging information:

Alternator	13.8 to 15.0 volts
Battery charger	13.8 to 15.0 volts, 20 amps maximum
Float charge	13.2 to 13.8 volts, 1 amp maximum
Rapid Recharge (Constant voltage charger)	Maimum voltage 15.6 volts. No current limit as long as battery temperature remains below 125F. Charge until current drops below 1 amp.
Cyclic or series string applications	14.7 volts, temperature <125F, no current limits. When current falls below 1 amp, finish with 2 amp constant current for 1 hour.

This page was edited on: May 3, 2004