Antigravity Batteries OptiMate TM-271 Lithium Charger 24V

Battery Accessories
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The TM-281 is the ultimate solution for ’24V’ Lithium batteries! Automatically and safely charge, test and maintain your 25.6V / 26.4V LiFePO4 / LFP starter battery or deep cycle battery in your solar setup, light aircraft, medical equipment, or other application. The Optimate Lithium 8s 5A (TM-281) charger also features a power support mode for diagnostics or software updating. Plug type is USA 120V. 3-year limited warranty.

Special Features:

  • SafeT adjusted charging below freezing.
  • Ampmatic charge control for Lithium adjusts current to match battery size and condition – Small battery gets less, large battery gets more.
  • Most Advanced Lithium SAVE mode: will save battery from as low as 0.5V – Continues charging if healthy, stops and warns if faulty!
  • Pushbutton-activated BMS wake-up mode safely wakes battery out of sleep mode or low discharge.
  • OptiMate Lithium 24-7 smart interactive maintenance prevents discharge from connected circuitry and guarantees more battery power, longer life!
  • TUNE Mode delivers stable 27.2V power to support battery during re-flashing / reprogramming and troubleshooting.


  • ​​​​​​​Ideal for: Lithium (LiFePO4) 25.6V/26.4V batteries from 2.5 – 100Ah.
  • Charging Amps: 5A (AmpMatic).
  • Charging Volts: nominal: 25.6V/26.4V, range: 0.5V – 27.2V.
  • SAVE: Low Volt Start of 0.5V + 3 step low volt save & test.
  • USE: Indoor / Outdoor (lowest temperature: -4°F / -20°C).
  • INPUT: Global (100-240V 50-60Hz), high efficiency (CEC listed).
  • STYLE: Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 6ft / 180cm charge lead ending in SAE connector. Weatherproof battery lead & battery clip set.

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