SKU: 25422682635

OptiMate TM-271 Lithium Charger 12/16V

$146.66 $162.95
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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13

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Description

OptiMate TM-271 Lithium Charger 12/16VOptimate TM 271 OptiMate Lithium Battery Charger TM 271 Professional OptiMate battery charger for 12. 8V and 16V Lithium batteries. (Plug type is USA 120V.) The Optimate TM 271 is perfect for high performance 12. 8V (4s) and 16V (5s) LiFePO4 LFP batteries that demand fully automatic, fast and accurate temperature controlled charging. Perfect for 12. 8V 16V LiFePO4 LFP batteries sized from 2. 5 to 200 Ah. Features a Power Saving stand by mode and Full

Optimate TM-271

OptiMate Lithium Battery Charger TM-271

Professional OptiMate battery charger for 12.8V and 16V Lithium batteries. (Plug type is USA 120V.) The Optimate TM-271 is perfect for high performance 12.8V (4s) and 16V (5s) LiFePO4 / LFP batteries that demand fully automatic, fast and accurate temperature controlled charging. Perfect for 12.8V / 16V LiFePO4 / LFP batteries sized from 2.5 to 200 Ah. Features a Power-Saving stand-by mode and Full electronic protection against errors. 3-year limited warranty.

Special Features:

  • Battery SAVE mode with BMS reset: starts from 0.5V with continuous monitoring / testing of charge acceptance or bad / shorted cell condition. Unnecessary (and unsafe) charging of a bad battery is prevented.
  • SafeTº:Automatic charge rate adjustment to ambient temperature sensed at the charger. Reduced charging below freezing, no charging if temperature is below -20ºC/-4ºF (can damage lithium batteries).
  • Ampmatic: Microprocessor adjusts current to ideal LiFePO4 charge curve to match battery size / condition, for fastest and most complete charge.
  • Protection against incorrect voltage selection: With 16V selected and a 12.8V (4s) battery is connected OptiMate 7 LFP Select will immediately warn that a low voltage is sensed and then not proceed to charging. USER must confirm the nominal voltage of the connected battery is 16V (5s) before SAVE mode activates. During SAVE mode the charge curve is tracked, if the battery appears to be less than a 5-series 16V battery, it will stop charging.

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: LiFePO4 (LFP) 4s / 5s batteries from 2.5 – 200Ah.
  • Charging Amps: 9.5A @ 12.8V / 7.5A @ 16V (AmpMatic).
  • SAVE: Low Volt Start of 0.5V + 3-step low volt SAVE and TEST.
  • USE: Indoor / Outdoor (lowest temperature: -4°F / -20°C).
  • 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 6ft / 180cm charge lead ending in SAE connector. Weatherproof battery lead & standard 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: 25422682635

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4.8 ★★★★★
Based on 8 reviews
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Product Reviews
J
Verified Purchase
jennifer i.
Chelsea, US
★★★★★ 4
Not sure yet?
Only have had these for 24 hours but also purchased a couple other chew toys from Amazon as well and all were delivered at the same time. Point being that my #60 silver lab was trading off between all of them and after 2 hours only you can see little shards of plastic sticking up from these chews. Not sure how long these will last before having to throw them away but they are pretty nice and feel heavy and durable. So many of these companies claim they are “indestructible” but all 4 I purchased have little plastic pieces sticking up already. Even my #14 Shih Tzu enjoyed trying to chew these and it kept her busy even though they are for larger dogs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 31, 2025
J
Verified Purchase
Jellyshodi
San Leandro, US
★★★★★ 5
Golden approved
My golden retriever’s really enjoy these chew toys. They are pretty durable and last awhile. They are hard plastic but they do get rough edges after they’ve been chewed in for awhile
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
S
Verified Purchase
Steven S.
Houston, US
★★★★★ 5
Perfect for chewy doggos
My dogs loved them! Keeps them entertained for a few mins. You can also fill with PB and freeze. Or yogurt and freeze. Great for the doggos
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
E
Verified Purchase
Erika
San Leandro, US
★★★★★ 5
Amazing!!
The dogs love them!!! They have not been able to destroy them at all!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
B
Verified Purchase
BrandiLynn0311
Louisville, US
★★★★★ 5
Mixed Results: SIHRMIU Dog Chew Toys Offered Stimulation, Limited Interest from Aggressive Chewers
I recently purchased the SIHRMIU 2 Pack Dog Chew Toys for Aggressive Chewers with hopes of providing my energetic dogs with both entertainment and stimulation. While these toys boasted durability and were designed to alleviate boredom, my experience with them yielded mixed results. Upon receiving the chew toys, I appreciated their sturdy construction and the promise of durability, which was essential given my dogs' penchant for aggressive chewing. The variety of textures and shapes seemed promising, offering potential for engaging play sessions that could keep my pets occupied and mentally stimulated. Initially, my dogs showed some interest in the toys, eagerly sniffing and exploring them. They seemed intrigued by the different textures and shapes, and I was hopeful that these toys would provide the entertainment they needed. However, as my dogs began to interact more with the toys, it became evident that their interest was short-lived. While they engaged with the toys for brief periods, they quickly lost interest and returned to their usual chewing favorites. Despite their designation for aggressive chewers, the toys did not seem to withstand the intense chewing of my pets as well as expected. Within a short time, I noticed signs of wear and tear, with pieces starting to break off. While the SIHRMIU dog chew toys offered some stimulation and diversion for my dogs, they ultimately failed to hold their interest or stand up to their aggressive chewing habits. While they may be suitable for dogs with less voracious chewing tendencies, they were not a perfect fit for my pets. In conclusion, while these chew toys have potential and may work well for some dogs, they fell short of expectations for my aggressive chewers. I appreciate the effort put into their design and durability, but unfortunately, they did not meet the needs of my furry companions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2024

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