SKU: 51433740455

OptiMate TM-281 Lithium Charger 24V

$163.79 $181.99
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

OptiMate TM-281 Lithium Charger 24VOptimate TM 281 OptiMate 5 Amp Lithium (LiFePO4) 24V Battery Charger TM 281 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.

Optimate TM-281

OptiMate 5-Amp Lithium (LiFePO4) 24V Battery Charger TM-281

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.

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.

Details

  • ​​​​​​​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.

10-Step Program

  1. Low Volt Start (0.5V).
  2. TEST before charge.
  3. Temperature check.
  4. Ultra LOW VOLT SAVE.
  5. LOW VOLT SAVE cell monitoring.
  6. TEST cell damage.
  7. Cell-balancing CHARGE.
  8. OPTIMIZE.
  9. TEST after CHARGE.
  10. OptiMate Maintenance.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 51433740455

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4.2 ★★★★★
Based on 11 reviews
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Product Reviews
M
Verified Purchase
Mary
Chelsea, US
★★★★★ 5
Clean easy
Size: normal
This was a bundle to an eufy vacuum I bought and honestly so happy it was apart of it! Easily replace them when they need to be cleaned between the hours the eufy is being used.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 21, 2025
L
Verified Purchase
Leanne Hill
Pawtucket, US
★★★★★ 5
Fits perfectly, good value
Size: normal
Fits on my eufy perfectly! Now I have a spare set and can wash one. Not too expensive, so I won’t feel guilty when it’s time to throw them away
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 6, 2024
M
Verified Purchase
marcel abraham
Lexington, US
★★★★★ 4
Que las nesesito
Size: normal
Son yguales ala original pero el precio es muy exagerado
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Reviewed in the United States on May 20, 2024
T
Verified Purchase
TWood
Louisville, US
★★★★★ 5
Perfect
Size: 23 Pcs for eufy C20 Omni
Great quality and cost efficient
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
B
Verified Purchase
BizzyB
Bozeman, US
★★★★★ 5
Fits my Eufy vacuum well
Size: 19 Pcs for eufy L60/ L50 Series
Bought these replacements for my Eufy vacuum. They fit and work great! No issues.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026

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