SKU: 51433740455

OptiMate TM-281 Lithium Charger 24V

$163.79 $181.99
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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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4.6 ★★★★★
Based on 23 reviews
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M
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MelsABookworm
Lake Worth, US
★★★★★ 4
“My heart bows to you and you only, Huntress.”
Format: Kindle
3.5 🌟 This book popped up in my KU recommended reading suggestions and the synopsis sounded like what I was in the mood for. I'm so glad I took a chance on it. I went into this knowing absolutely nothing about it and ended up really liking it. I love when this happens. The main characters are likeable and I easily found myself rooting for them. There is a mystery element to each of their backstories that I enjoyed watching unfold and can't wait to get more of. Wolf, in particular, has me fixated. Love him. I found this to be an entertaining, addictive read with a plot that moves along at a good pace. It reads so easily I found myself very reluctant to put it down. Lots of twists and turns and the angst is there. A good set up for the next book to come, for sure. My issues with this book....the dialogue feels a bit juvenile at times and there is a repetitive over use of a particular word phrasing that I found myself giving the ole eye-roll to. There are, without a doubt, some pretty cliche moments that gave me a bit of the cringe. I think this could've certainly 100% benefited from more depth regarding the world building. Perhaps the world building was sacrificed to keep the pacing quick? Just a guess. Also, the lack of consistency of character for the FMC was really evident and so she feels quite illogical at times. Overall, this was a fun and enjoyable read that hit the spot well enough for me. That ending certainly has me impatiently pining for book 2!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 18, 2024
A
Verified Purchase
Amazon Customer
Carnegie, US
★★★★★ 3
Interesting take on the genre
Format: Kindle
True rating: 3.25 ⭐️ I enjoyed the fresh take on the genre. The best way I could describe the setting and world is an apocalyptic dystopian version of Farie where vampires, fae, and angles struggle to survive in what is left of the world. It was definitely interesting throwing the academy/hunger games aspect into this world as well. Even though I guessed the final reveal early on in the book, I kept hoping I was wrong, and it would take a surprising turn. While the "plot twists" were a bit predictable to me, I still enjoyed the ride this book took me on. Another downfall for me was the plot holes in the world building... I.E. if society has fallen and the world is in the aftermath of war, how are there trains running around the world? Just to take young adults to the trials to get into the golden city? How is the train maintained, the tracks clear, etc? However, I did enjoy the FMC & MMC and thought they were fleshed out nicely. I also enjoyed the side characters but wish some were developed more like Ashalin (sp?). I do find myself rooting for the MCs to succeed and find happiness together, which is obviously an important aspect for romantasy. Overall, was this an earth-shattering, mind-bending, terrific piece of literature? No. But was it the worst thing I've read this year? Also, no. This book has, to me, the bones of a great read & just needs a bit more to push it from an alright book to a great book. Overall ratings: Plot- 3.5⭐️ World building 3⭐️ Spice 2.5 🌶🌶 Main characters 4 ⭐️ Supporting characters 3.5⭐️
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Reviewed in the United States on May 12, 2024
I
Verified Purchase
Irene zamora
Draper, US
★★★★★ 5
great book
Format: Kindle
I am really excited to meet the author at the book retreat this month. I really enjoyed this world that she built and most of the female main character Huntress is so awesome. She goes through a lot in this book and the ending; wow! I wouldn't have even guessed. I highly recommend everyone to read this book. I have been so lucky this year that almost all the books I have read have been, so far, 5 out 5 stars.
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Reviewed in the United States on June 2, 2026
A
Verified Purchase
Anastasia Goygova
Draper, US
★★★★★ 4
Fallen for the Fallen Angel – A Guilty Pleasure Worth Every Page
Format: Kindle
There’s something deeply irresistible about a dark academia or trial-based setting, a brooding and arrogant fallen angel, and a fierce heroine with enough sass to go toe-to-toe with him. Wings So Wicked is exactly that kind of book—and I devoured it in just a couple of days. To be fair, the plot isn’t groundbreaking. If you’re looking for something fresh and innovative in terms of storyline, this might not be it. But if your reader heart beats faster at the mere mention of enemies-to-lovers, jealousy-fueled banter, magical trials, betrayals, and forbidden tension—you’ll feel right at home. It’s like catnip for those of us with this particular weakness. The chemistry between the leads could have used a slightly slower burn to make the tension sizzle longer, but I still found myself completely invested in their dynamic. There are moments and phrases that feel a bit cheesy or underdeveloped, but honestly? I didn’t care. The vibes were exactly what I wanted. This book isn’t trying to reinvent the genre—it’s here to give readers like me what we crave: high-stakes magical drama, angsty romance, and the thrill of watching a badass girl and her brooding counterpart clash and spark. If that sounds like your kind of story, Wings So Wicked will hit the mark. Here’s hoping Book 2 turns up the heat and keeps the magic alive.
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Reviewed in the United States on May 20, 2025
M
Verified Purchase
Madi lohr
San Leandro, US
★★★★★ 5
my new favorite book
Format: Kindle
Ok so I never write reviews but this book was so good I felt the need to write this. Firstly your introduced to Huntyr you see her closed off hard core badass than towards the end you see the most subtle change and growth it’s amazing and the enemies to friends to lovers was just perfect, AND THE TWIST AT THE END GOT ME GOOD! You see one spicy scene the whole book but it doesn’t even MATTER BECAUSE THE BOOK WAS THAT GOOD. I’ve read 85 books in 2023-2024 so far and I’m pround to say this is my all time favorite. I’m so excited to read more of Emily Blackwoods books, this was my first time reading one of hers and I’m glad I did because HOLY!! Well done Emily well done
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 23, 2024

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