Optimate TM-471 Lithium/Lead-Acid Battery Maintenance/Charger


The Optimate TM-471 Battery Maintenance Charger is a versatile, cost-effective maintenance charger compatible with both lead-acid and lithium ion batteries. Ideal for long-term storage, this fully-automatic charger has a variety of features to ensure the longevity and performance of your vehicle's battery including reverse polarity protection, no spark connection, and the Optimate maintenance charge mode that activates once your battery has reached a complete charge. Waterproof, this charger works great for either indoor or outdoor use.


  • Connect to your battery and plug in, the process is fully-automatic
  • Brings the battery to full charge with 0.8A constant current and then switches to the unique OptiMate battery-saving maintenance charge mode to keep the battery at 100% ready while simultaneously providing juice to any onboard displays, antitheft devices and more
  • Recommended for STD (with removable filler caps), sealed AGM (absorbed glass mat) and sealed GEL 12V lead-acid batteries up to 50Ah
  • Weatherproof
  • Extremely lightweight, tipping the scales at just 1lb
  • Includes permanent ringlet connector with weatherproof cap and a set of battery clips
  • Includes safety features such as reverse polarity protection, no spark connection; approved to UL and CSA safety standards for automatic battery chargers; fully-automatic
  • Includes: fully-automatic charger with harness, positive and negative clamps, direct-connect fused harness



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