OptiMate TM-471 Lithium Battery Maintainer & Charger – 0.8A, Weatherproof

The OptiMate TM-471 is a reliable, weatherproof 0.8A lithium battery charger and maintainer, specially designed for long-term care of 12V LiFePO4 (LFP) batteries from 2Ah to 30Ah. This fully automatic 8-step charger is the most cost-effective solution for maintaining Antigravity Batteries and other lithium brands—perfect for vehicles stored indoors or outdoors.

Smart Maintenance, Safe Power

With its advanced charge cycle and low-voltage save features, the TM-471 not only brings batteries to full charge but also monitors, balances, and maintains them at 100% readiness—without risk of overcharging. Whether for motorcycles, ATVs, or custom builds, it’s ideal for safely maintaining batteries with Battery Management Systems (BMS).

Key Features

• Ideal for LiFePO4 4S 12.8/13.2V batteries from 2–30Ah

• 0.8 Amp charge current

• 8-Step Program: Save, Test, Charge, Optimize, Maintain

• Low-volt start at 0.5V with recovery mode for deeply discharged batteries

• Safe for vehicle electronics – spark-suppressed, reverse polarity protected

• Weatherproof, lightweight (1 lb), and wall-mountable

• Input: 100–240V (global), with 6ft AC and 6ft charge lead (SAE connector)

• Includes battery clips & weatherproof battery lead

• 3-Year limited warranty

Why Choose the TM-471?

• Most affordable and safe charger for long-term lithium battery care

• Totally automatic – just plug in and let it work

• Maintains on-board systems like ECUs and alarms while keeping your battery fully charged

• Approved to UL and CSA standards

⚠️PROP 65 WARNING: Cancer and/or reproductive harm – www.P65Warnings.ca.gov