Optima Red R 4.2 12v 50Ah

Optima RedTop 12v 50Ah. The battery has an impressive starting power despite its small size. Optima is completely sealed, leak-proof and very resistant to damage. The battery has a low self-discharge rate and a fully charged battery can stand for 12 months at room temperature (or lower) and still start a vehicle. How to take care of your optima battery! We recommend charging the battery every four months throughout the year. Even if the vehicle is only used in the summer, this is usually not a regular occurrence and the vehicle can easily be left standing for periods of time, alarms and other electronics can drain the battery. If you leave the battery in the car during winter storage, loosen one of the cable lugs. If you remove the battery, keep it dry and cool to reduce self-discharge. Get into the habit of always charging the battery before putting it away for storage and before using it. Wait a few hours after charging before installing it. Use an electronic charger that does not have too high a charging current, a good rule is 10% of the battery's Ah. Overcharging will shorten the life of the battery. Charge batteries in a ventilated area to avoid the formation of oxyhydrogen gas. Handle the batteries with care. Equivalent in other makes: 8003-251,RTR4.2,RTR4,8032510008882,RTR4.2,RTR4,