SKU: 26136663773

20Ah Lithium Battery (LiFePO4)

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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

20Ah Lithium Battery (LiFePO4)The 20Ah LiFePO4 battery replaces our popular 18Ah model at the same size! This battery is 1. 5" wider than a traditional ice fishing 7 9Ah flasher graph battery. Made to replace the Garmin 12Ah SLA battery with over twice the operating time and half the weight! This 20Ah battery is LiFePO4 chemistry (Lithium Iron Phosphate). LiFePO4 are the safest, longest lasting Lithium Batteries available with 2000+ charge cycles. All batteries have built in BMS

The 20Ah LiFePO4 battery replaces our popular 18Ah model at the same size! This battery is 1.5" wider than a traditional ice fishing 7-9Ah flasher/graph battery. Made to replace the Garmin 12Ah SLA battery with over twice the operating time and half the weight! 

This 20Ah battery is LiFePO4 chemistry (Lithium Iron Phosphate). LiFePO4 are the safest, longest lasting Lithium Batteries available with 2000+ charge cycles. All batteries have built in BMS which gives you charging and discharging cutoff protection for your safety and increased longevity of our products.. Cost per charge, there is not a better technology out there.

Portable Shuttles - Below will list the brands of portable shuttles this battery will fit:

HD Innovations - Summit Fishing - Garmin (all units) - Humminbird (Helix Conversion Kit) - Lowrance (all units) - BassKhang - ArcLabs - Fin Gear - TKI - and many more!

Click your brand below to see operating times with all of our batteries:

Humminbird  Humminbird Ice   Garmin   Lowrance   Vexilar    Marcum    Aqua Vu

Click here for Battery Manual and Detailed Specifications

  • Nominal Voltage: 12V Actual Voltage: 12.8V
  • Nominal Capacity: 20Ah
  • Discharge Cut-Off: 10V
  • Charge Cut-Off: 14.6V
  • Charge Current: 15A
  • Peak Discharge: 15A
  • Charge Temperature: 32F - 113F
  • Discharge Temperature: -20F - 140F
  • Charge Method: CC/CV
  • Terminal Type: Spade - F2 Connectors
  • Weight: 4lbs 
  • Warranty: 5yrs

Dimensions: mm - L*W*H: 150*99*95, Inches - 5 7/8 x 3 29/32 x 3 5/8

Charging: All LiFePO4 Amped Outdoors Batteries should be charged with one of our offered LiFePO4 chargers for best results. SLA and other lithium chargers may not fully charge a LiFePO4 battery with BMS, or can give false charge indications. 

 Disclaimers: This battery is solely intended for 12 volt use only. It may be wired in parallel to achieve a higher capacity but should not be run in series. Please contact us at [email protected] if you are looking for a battery that may be run in series to achieve a higher voltage. 

WARNING: This product can expose you to chemicals, including lead which is known to the State of California to cause cancer or other reproductive harm. For more information go to www.p65Warnings.ca.gov.

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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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: 26136663773

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4.3 ★★★★★
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Verified Purchase
ESA
Waukegan, US
★★★★★ 5
Perfect for Homeschooling!! Let the stories come alive and captivate you!
Format: Hardcover
I’m a homeschooling mama and I’m grateful for men like Eric Metaxas who are personally invested in the wellbeing of our nation. Thank you, Eric, for sharing history with truth and the fear of God.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
T
Thomas F. Siems
San Leandro, US
★★★★★ 5
A Revolution of Faith and Freedom
Format: Hardcover
Eric Metaxas’s Revolution: The Birth of the Greatest Nation in the History of the World presents the American founding as far more than a political dispute over taxes or power—it is portrayed as an epic struggle between liberty and tyranny, virtue and corruption, good and evil. Through vivid storytelling and rich historical detail, Metaxas casts the Revolutionary era as a moral drama in which ordinary men were called to extraordinary courage against overwhelming odds in their fight for freedom. The book compellingly shows how patriots like Samuel Adams, Patrick Henry, John Adams, Abigail Adams, Benjamin Rush, James Otis, Henry Knox, Paul Revere, John Hancock, Thomas Paine, George Washington, Martha Washington, and others, understood the conflict not merely as resistance to British overreach, but as a defense of God-given liberty against arbitrary, and often brutal, power. A particularly striking theme throughout the book is the Founding Fathers’ deep reliance on Divine Providence. Metaxas highlights how many believed that human rights flowed not from kings or governments, but from God Himself, and that the outcome of the Revolution ultimately rested in His hands. Prayer, biblical conviction, and appeals to Providence are woven into the narrative, reminding readers that the Founders often saw themselves as instruments in a larger story unfolding under God’s sovereign care. Indeed, Providence often revealed His hand in altering the weather and divinely guiding the patriots as they fought the British forces. The result is a sweeping and engaging account of America’s birth that frames the Revolution as both a historical and spiritual struggle, fought with courage, conviction, virtue, and faith.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
J
JSL
Port Orchard, US
★★★★★ 5
A New Classic
Format: Kindle
I pre-ordered, so I was able to get the PDF and start reading early. Of all the books I own on the American Revolution, I think this one stands to become my "go to." It is encyclopedic in scope, but deftly avoids becoming a drudgery or a slog through a mire of textbook facts. Somehow, Eric has managed to include a great deal of detail without losing any of the drama. It’s the story that rises to the fore in a gripping tale that just happens to be true (and much more than that, is our heritage). All the trademark “Metaxas” hallmarks are here: judiciously placed humor and lightheartedness that never descends into silliness, seriousness that somehow never lacks in winsomeness, depth that never smothers. He manages to portray both the soberness that the subject deserves without losing the hopefulness that the story of the Revolution should inspire in us. And along the way, you’ll find yourself better understanding what “went down” and (just as importantly) what it means to you today. Excellent work. If you think another history book on the American Revolution cannot inspire you or keep your attention, this one is up to the challenge.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
A
Amazon Customer
Lake Worth, US
★★★★★ 5
The History Teacher I Always Wished For
Format: Hardcover
With his trademark wit and his eye for those wonderfully absurd details that most historians tend to overlook, Metaxas drew me deeply into the story. I found myself laughing out loud one moment and profoundly moved the next. The tiny anecdotes and humorous asides were not distractions at all — they were precisely what made these towering figures suddenly feel human and unforgettable. Eric makes these historical figures flesh-and-blood again. He brings both heroes and villains vividly to life in a way that makes the drama of America’s birth feel immediate, thrilling, and deeply personal. In short, Eric Metaxas is the history teacher I always wished I had. At 600 pages, this book reads with the ease and momentum of a paperback novel, yet carries extraordinary depth and scholarship. In the end, I came away with a renewed love for American history and a deeper gratitude for the souls who made this great country possible.
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Reviewed in the United States on June 2, 2026
J
John Zmirak
New York, US
★★★★★ 5
A fun, inspiring, thought-provoking read.
Format: Kindle
A witty, learned page-turner, replete with wacky anecdotes but suffused by wisdom and patriotic love. Metaxas shows how the biblical view of the human person made America possible, and weaves throughout the story pieces of evidence that Providence actively aided the pious patriots against their cynical, post-Christian enemies in Britain. I devoured this book in 72 hours, and now I want to go back and read it again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026

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