OptiMate TM-485 Lithium 4-Bank Charger 0.8A


Charge or maintain up to FOUR lithium batteries at once with this OptiMate 4-Bank Charger. Includes all the clamps and cables you need to do so. Great for all 12V Antigravity Batteries as well as other brands of lithium motorsports batteries.

  • Charge, Test and Maintain 12V Lithium Batteries
  • Ideal for LiFePO4 (LFP) 4s 12.8/13.2V batteries from 2 to 30Ah
  • 0.8 Amps of charge current (per bank)
  • 4 Banks to charge up to 4 batteries at once
  • 8-Step program

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SKU: BC-OPT-485 Category: Tag:

OptiMate TM-485

OptiMate 0.8-Amp 4-Bank Lithium (LiFePO4) Maintenance Charger TM-485

The 4-bank OptiMate TM-485 Charger/Maintainer by TecMate charges or maintains 4 lithium vehicle batteries simultaneously! Comes with ALL the clamps and cables you need to charge up to 4 batteries at once. Great for all 12V Antigravity Batteries as well as other brands of lithium motorsport/ powersport batteries. This is the perfect unit for those who have multiple bikes and want to maintain or charge one or up to 4 batteries at the same time. A great cost-effective charger for your lithium battery maintenance. Unique LiFePO4 battery preparation for dealers and consumers! 3-year limited warranty.
(Choosing a Charger)

Each bank charges independently and includes the following features:

  • Saves low voltage LiFePO4 batteries.
  • Specialized LiFePO4 charge cycle.
  • Maintains & protects LiFePO4 batteries.
  • Battery BMS reset.

SAFE: No risk of overcharging. Totally safe for vehicle electronics. Sparks suppressed. Safe for long-term battery maintenance. Automatic shut-down if short-circuited or battery disconnected.


  • ​​​​​​​Ideal for: LiFePO4 (LFP) 4 series cell 12.8 / 13.2V batteries from 2 – 30Ah.
  • Charging Amps: 0.8A (per bank).
  • SAVE: Low Volt Start of 0.5V + 3-step low volt SAVE and TEST.
  • USE: Indoor / Outdoor (lowest temperature: -4°F / -20°C).
  • INPUT: Global (100-240V 50-60Hz), high efficiency (CEC listed), fully sealed.
  • STYLE: Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 6ft / 180cm charge lead ending in SAE connector. 4 x Weatherproof battery lead & 4 x standard battery clip set.
  • KIT: has 4 sets of battery connector for each bank including a set of clamps and set of harnesses for the vehicles.

8-Step Program

  1. Low Volt Start (0.5V).
  2. Ultra LOW VOLT SAVE.
  3. LOW VOLT SAVE cell monitoring.
  4. TEST cell damage.
  5. Cell-balancing CHARGE.
  7. TEST after CHARGE.
  8. OptiMate Maintenance.

NOTE: If you prefer a faster charging unit see the 5-amp Optimate Lithium Charger TM-291 that provides testing and recovery of lithium batteries.

Our Recommendations

How to pick the best Charger for your Lithium Battery

Proposition 65 Warning

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov

Additional information
Weight 5 lbs
Dimensions 12 × 14 × 5 in
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