The speed with which your vehicle battery is charged (even during long-term plugged-in maintenance) comes down to the power of your battery charger. While the charging feature is mostly recommended for vehicles with smaller engines (such as motorcycles, ATVs, and jet skis), it can maintain cars, SUVs and other larger vehicles. The Battery Tender Plus doesn't work with deep-cycle batteries, but it can charge and maintain lead-acid, flooded and sealed maintenance-free batteries, which makes it a versatile choice. When it does, the Battery Tender Plus boosts it back up to full, and then goes idle until further discharge occurs. This means it doesn't deliver any more electricity until the battery drops from full due to standard discharge. When the Battery Tender Plus is maintaining a battery, it delivers a continuous 1.25 amps of power until the battery is full, and then it goes into 'float' mode. Case in point: The Battery Tender Plus, a charger and maintainer that also ranked as best overall on CNET Cars' list of top chargers.
Deltran's Battery Tender brand is one of the most recognizable names in the fields of battery charging and maintenance, and it's for good reason - the Battery Tender products are almost always recognized as some of the best on the market.
