This article covers some of the best-rated battery maintainers available today. Making sure your vehicle will turn over immediately and prolonging the working life of your battery. A regular, lead-acid car battery should not be allowed to discharge below 80%.įortunately, there’s an assortment of sophisticated, inexpensive battery maintainers on the market that will continually monitor and charge your battery. A battery that registers 12.7 volts (unloaded) is at 100% charge 12.46 volts equates to an 80% charge, and 12.2 volts would indicate the battery is 50% charged.
If you don’t have a battery tester, use a multimeter to check your battery’s voltage and estimate its condition. You can check the condition of your car’s battery with a battery tester. Once the voltage drops, the life of the battery drops with it. This is also true for motorcycles, quads, or anything else with a rechargeable lead-acid battery. A car battery left in a state of discharge can begin to deteriorate in as little as three days. However, if your vehicle sits for an extended period, the battery will slowly drain and discharge. When you drive, your car’s charging system keeps your battery topped up. Keeping your car’s battery properly charged is essential to long life and reliability.
