OptiMate TM-485 4-Bank Lithium Charger Maintainer .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.

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SKU: BC-OPT-485 Category:

OptiMate TM-485

OptiMate 0.8Amp 4-Bank Lithium (LIFEPO4) Maintenance Charger TM-485

Antigravity Batteries is happy to offer the OptiMate 4-Bank LFP4s 0.8Amp maintainer/charger for 12V Lithium Batteries! It charges or maintains 4 lithium-ion vehicle batteries at ONE TIME!!! 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 simultaneously. A great cost-effective charger for your lithium battery maintenance.

Charges using the following STEPS

OptiMate TM485 Lithium Charger Steps
Unique LiFePO4 battery preparation for dealers.

The 4-bank OptiMate Lithium 0.8A 4S charges up to 4 x LiFePO4 / LFP (Lithium Iron Phosphate) 4-series batteries with nominal voltage of 12.8V – 13.2V.

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.
  • CHARGING AMPS : 0.8A (per bank)
  • USE : Indoor / Outdoor  (lowest temperature: -4°F / -20°C).
  • SAVE : Low Volt Start of 0.5V + 3 step low volt save & test.
  • IDEAL FOR : LiFePO4 (LFP) 4 series cell 12.8 / 13.2V batteries from 2 – 30Ah.
  • 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 4 x 6ft / 180cm charge lead ending in SAE connector. 4 x Weatherproof battery lead & 4 x standard battery clip set included.
  • Each kit has 4 sets of battery connector for each bank including a set of clamps and set of harnesses for the vehicles.


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. 3-year limited replacement warranty.

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

3 year limited warranty.

Additional Information
Weight 5 lbs
Dimensions 12 x 14 x 5 in
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