OPTIMA® Red Top C 4,2

Battery Model:

RT C 4,2

Part Number:

801 287 000 888 2
Nominal Voltage:

12 volts

NSN: n.a.

Description: High power, sealed lead acid, engine starting battery

Physical Characteristics:

Plate Design: High purity lead-tin alloy. Wound cell configuration utilizing proprietary sPIRALCELL ® technology.

Electrolyte:

Sulphuric acid, H2SO4

Case:

Polypropylene

Color:

Case: Dark gray

Cover: “OPTIMA“ Red

Group Size: BCI: 34



Standard Metric

Length:10” 254 mm

Width:6.875” 175 mm

Height:7.813” 200 mm (height at the top of the terminals)

Weight:37.9 lb. 17.2 kg

Terminal Configuration: SAE / BCI automotive.

Performance Data:

Open Circuit Voltage (fully charged):

12.8 volts

Internal Resistance (fully charged):

0.0030 ohms

Capacity:

50 Ah (C/20)

Reserve Capacity:

BCI: 100 minutes

(25 amp discharge, 80°F (26.7°C), to 10.5 volts cut-off)

Power:

CCA (EN -18°C):

815 amps

MCA (BCI 0°C):

1000 amps

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: RT C 4,2

These batteries are designed for engine starting applications. They are not recommended or warranted for use in deep cycle applications.