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OptiMATE Lithium 4s 12v 0.8 Amp 8-Step Smart Charger

Was: $64.90
Sale Price: $58.41
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Product InformationStore Part Number: TM-471


The OptiMate™ 12v 0.8 Amp lithium Charger Maintainer protects protect your LiFePO4 battery in the most effective way. The new OptiMate lithium charger will protect your investment and guarantee your Lithium Iron Phosphate (LiFePO4 / LFP) battery will perform as advertised for a very long time.  The OptiMate TM-471 Lithium Charger offers a unique LiFePO4 specific program that recharges and balances cells within the battery efficiently and safely. The OptiMate TM-471 maintenance program delivers current to the vehicle circuitry, protecting and keeping the battery at 100% charge.


  • Saves low voltage LiFePO4 batteries
  • Specialized LiFePO4 charge cycle
  • Maintains & protects LiFePO4 batteries
  • Battery BMS reset.
  • Indoor / Outdoor (lowest temperature: -4°F / -20°C).
  • 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.
  • Global Input (100-240V 50-60Hz), high efficiency (CEC listed), fully sealed.
  • Weatherproof case with wall mounts, with 6ftAC supply lead and 6ft charge lead ending in SAE connector. Weatherproof battery lead & standard battery clip set
  • 3 Year Warranty


Free USPS shipping applies only within the 50 United States.

Tech Specs

  • Dimensions (LxWxH): 6.5 x 2.5 x 1.75 in
  • Weight: 1.34 lb
  • Shipping Weight: 3.0 lb
  • AC Input Voltage: 100-240V
  • AC Input Frequency: 50-60Hz
  • AC Input Amps: 0.23A @ 100 VAC / 0.15A @ 240 VAC
  • Power Useage (no battery connected): 0.0089kWh / day
  • DC Output Amps: 800 mA
  • DC Nominal Voltage: 12.8/13.2V
  • DC Bulk Charge: 14.3V
  • DC Absorption & Equalisation Charge: 14.0-14.3V
  • Model: TM-471
  • Manufacturer: Optimate
  • DC Float Voltage: 13.6V alternating w/ 30 minute rest
  • Reverse Drain Current: less than 0.1 mA
  • Charge Time Limit: 48 Hours (maintenance time: unlimited)
  • Maintain / Test Cycles: 30 min / 30 min (alternating hourly)
  • Charge Retention Test: Range: 10.1 - 13.2V. GOOD (green) = battery voltage > 13.2V
  • Enclosure Type: IP54 Fully Sealed
  • Input Cable Length: 6ft
  • Output Cable Length: 6ft
  • Operating Temperature Range: –20°C - 40°C / –4°F - 104°F
  • Ratings / approvals : Safety, EMC, Energy Efficiency, enclosure seal rating: IP54, CE, NRTL (UL & CSA), SAA (AU & NZ), approved by TUV Sud. BC (California Energy Compliant)
  • Warranty: 3 Years
  • Manufacturer Part #: TM-471
  • Made In: Asia

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Rated 5.00/5 Stars from 1 customer reviews.

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Battery charger
Pros: Work great have not used much tho
Cons: Non yet
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Written by Anonymous on Apr 19, 2017. Ownership: Just Bought. Knowledge Level: I know nothing — (1 of 3 customers found this review helpful

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Manuals & Tutorials


Order Line: 1-800-362-5397
M–F 6am–5pm PST
Tech Help: 541-474-4421
Fax: 541-471-6014
276 Tech Way, Suite A
Grants Pass, OR 97526
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