OPTIMA Technical Specs BlueTop
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OPTIMA® BlueTop Technical Specs STARTING AND DUAL PURPOSE MODEL NUMBER PERFORMANCE Voltage Cold Cranking Amps @ -18° C Cranking Amps @ 0° C Reserve Capacity Minutes Capacity (C/20 rate) (Ah) Internal Resistance (ohms) PHYSICAL SPECS Length (mm) Width (mm) Height (mm) Minimum Weight (kg) Post Type BT SLI 4.2 BT DC 4.2 BT DC 5.0 BT DC 5.5 12 12 12 12 815 765 845 975 1000 870 1000 1125 100 120 140 155 50 55 66 75 0,003 0,0028 0,0025 0,0025 309 172 221 22,7 325 165 238 26,5 Dual SAE & GM Dual SAE & GM 5/16 Stainless Stud 5/16 Stainless Stud 27 31 254 254 175 175 200 200 17,4 19,7 Dual Dual SAE & SAE & GM GM 5/16 5/16 Stainless Stainless Stud Stud 5/16 5/16 Stainless Stainless Stud Stud BCI Group 34 34 *Requires purchase of two BT DC 4,2 batteries Charging Info The following charging methods are recommended to insure a long battery life (Always use a voltage regulated charger, with voltage limits set as described below): BlueTop Type: BT SLI 4,2 These batteries are designed for engine starting applications. They are NOT recommended or warranted for use in deep cycle applications. Recommended charging information: Alternator: 13.3 to 15.0 volts, no amperage limit.

Battery charger: 13.8 to 15.0 volts, 10 amps maximum, 6-12 hours approximate. Rapid Recharge: Maximum voltage 15.6 volts (regulated). Maximum current: No limit as long as temperature <50° (125° C F). Maximum recharge time: Charge until current drops below 1 amp. Float charge: 13.2 to 13.8 volts, 1 amp maximum current, time indefinite (at lower voltage). All limits must be strictly adhered to. Blue Top Type: BT DC 4,2 / BT DC 5,5 These batteries are dual purpose. They are designed for engine starting and deep cycling applications and for use in boats with large accessory loads. Recommended...