SKU: 25422682635

OptiMate TM-271 Lithium Charger 12/16V

Sale price$146.66 Regular price$162.95
Save 10%

Pay in installments of $40.74 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

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

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.0 ★★★★★
Based on 23 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
J
Verified Purchase
Jason K.
Omaha, US
★★★★★ 5
Very Straightforward and Easy to Use
Reload type: One Time Reload
I have used this several times, and it has always been a smooth and convenient experience. The biggest advantage is how intuitive the process is. Reloading the balance is simple, quick, and easy to understand without unnecessary steps or confusion. It is especially useful for managing spending, setting a shopping budget, or keeping funds ready for future purchases. Instead of entering payment details every time, having balance available makes checkout faster and more convenient. I also appreciate how quickly the funds are applied, allowing immediate use once the reload is completed. This is one of those simple Amazon features that works exactly the way it should. Overall, easy, efficient, and user-friendly. I have been very satisfied with it. Five stars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
M
Verified Purchase
Martini81
Pawtucket, US
★★★★★ 5
Easy and simple: Exact Step-by-Step Guide to Reloading Your Balance
Reload type: One Time Reload
I found reloading my Amazon gift card balance much easier than expected. The process was simple and took about 5 minutes at most. Here are the exact steps to do it: ​Login: In the Amazon app or on Amazon.com, log in to your account. ​ Menu: Tap the 3 lines on the bottom right corner of your screen (next to Rufus, Amazon's AI). ​ Find Category: In the section highlighted "Shop by category," tap on Gifting & Registry (3rd option down in that section) and a drop-down menu will appear. ​ Select Gift Cards: On the drop-down menu, tap Gift Cards (first option). ​ Choose Your Action: "The Gift Card Shop" will appear. There you will have three options: "Redeem a gift card," "View your balance," and "Reload." ​ Start Reload: To add funds, tap Reload. ​ Select Type: Scroll down to "Add funds directly to your Amazon Gift Card balance" and tap which reload type you want (one-time, low balance auto-reload, or scheduled auto-reload). ​ Enter Amount: Choose your reload amount. The default is $25, but you can type in your own amount as well (the minimum amount is $5.00). ​ Finish: Tap the orange "Buy Now" tab. ***I used the Amazon app using the u i OneUI version 8.0 these Amazon app on Android version 16 (Baklava) on a Samsung Galaxy S25 Ultra. Others may have a slight variation of the menu setup on the Amazon app.***
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
K
Verified Purchase
Kenneth Lucas
Draper, US
★★★★★ 5
Easy way to add balance
Reload type: One Time Reload
Reloading my Amazon gift card balance has been easy and convenient. I like using it when I want to keep a little money set aside for Amazon orders or make checkout quicker without thinking about which card I want to use. The process is straightforward, the balance shows up fast, and it has been reliable every time I have used it. It is also helpful for budgeting because I can add a set amount and then use that balance for regular purchases. Nothing complicated about it, which is exactly why I like it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
L
Verified Purchase
Laura Sinkler
Fort Morgan, US
★★★★★ 5
Monthly reload for Subscribe & Save Orders
Reload type: One Time Reload
Not a glamorous review, but a genuinely useful tip for Subscribe & Save users. I reload about $100 to my gift card balance once a month, a week or two before my S&S order processes. Amazon pulls each Subscribe & Save item as a separate transaction, which means 10+ individual charges hitting your bank account on before or on ship day. A headache for budgeting and a minor anxiety trigger if you're watching your account for unauthorized activity. Loading the balance first consolidates everything into one clean transaction. Your S&S order then pulls from the gift card balance rather than your card directly, and your bank statement stays tidy. The side benefit is built-in budget discipline. I set about $100 as my monthly Amazon ceiling - if my cart runs over, something gets pushed to next month. It's a simple system that keeps spending intentional without any extra effort. If you're a regular S&S user who wants cleaner finances and less ""wait, who charged this and what was that charge?"" moments, this is worth making a habit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
T
Verified Purchase
The Bee’s Knees. 🌸🐝
Draper, US
★★★★★ 5
Great! 💳✨
Reload type: One Time Reload
I love using my Amazon balance! It’s always so quick and easy to use, it’s convenient and posts quickly without issues, I’ve always had good experiences with reloading my balance.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026

recommand products