| The majority of vehicles will use a RedTop Optima | | | | and threaded, whilst the YellowTop batteries excluding |
| battery with a strong 5 second starting burst for its | | | | model D31T only have SAE posts. |
| primary function of starting a vehicles motor. | | | | An added feature of the dual purpose light greyed |
| Immediately after ignition the vehicles alternator will | | | | BlueTop batteries is that they also have a very high |
| constantly monitor how much charge remains in the | | | | cranking power which makes them suitable for starting |
| RedTop battery and whether or not to provide top up | | | | applications as well. Examples of where this type of |
| battery recharging power. | | | | Optima battery is used are with trolling motors and |
| Examples of some vehicles which would use this | | | | marine/RV applications where excessive electrical |
| particular battery would be heavy equipment, diesel | | | | energy is required. |
| powered, hot rods, RV and automotive.But what if my | | | | It should be noted that if a marine/RV application |
| vehicle does not have an alternator or requires the use | | | | requires only the use of the starting feature of a |
| of higher electrical loads? | | | | BlueTop battery then it would be best to use a |
| In this case it would be best to then use a YellowTop | | | | BlueTop battery with a dark grey case as it has been |
| Optima battery as it will have a higher discharge cycle | | | | specifically manufactured for this purpose alone. |
| compared to the RedTop batteries. Thus making it | | | | Forget about all the primary colored Optima battery |
| suitable for drag/racing cars, electric autos, | | | | top details, just give me the facts? |
| snowploughs, as well as many other aftermarket | | | | Use dark gray casing batteries for starting applications |
| vehicle accessories such as GPS, chargers, fridges, | | | | only and light gray cased deep cycle batteries for dual |
| winches, hydraulics, inverter systems and specialized | | | | purpose operations. |
| audio/video installations which require greater than 250 | | | | It is important to remember that a deep cycle |
| watts more power above that of the vehicles original | | | | application will usually result in discharging a battery |
| equipment spec. | | | | between 60% and 70% of its capacity whereas a SLI |
| I heard that the BlueTop Optima battery should be | | | | (starting / lighting / ignition) battery is designed to push |
| used for deep cycling applications. This is true for the | | | | out maximum power for a short period discharging |
| light greyed BlueTop cases, however there is a distinct | | | | between 1% and 3%. It is therefore not advisable to |
| difference between the YellowTop and BlueTop deep | | | | use an SLI battery for deep cycling applications as its |
| cycle batteries in that the BlueTop deep cycle | | | | battery life will be shortened depending on how |
| batteries have 2 sets of posts - automotive (SAE) | | | | regularly it is deep cycled. |