About
Abyss Battery

Abyss Battery® strives to make the safest and most reliable lithium iron phosphate batteries for the most demanding environments, that’s why our batteries are only made with certified components and used in applications around the world. All Abyss Lithium batteries conform to the standard entities and regulations listed below.

Our story
our vision
our promise

At Abyss Battery, we harness the boundless energy of the ocean's depths to empower life's exhilarating moments. Inspired by the unfathomable power of the sea, our mission is to deliver innovative, dependable, and eco-conscious battery solutions for a sustainable future. As pioneers in the industry, we are committed to staying at the forefront of technology and exceeding the expectations of our customers, ensuring that you can confidently navigate the ever-evolving world with the support of Abyss Battery.

We believe in taking a fresh approach that will empower people with the best possible battery experience. We are designing new ways of thinking about batteries so they can be there when you need them - without worrying how or where they’ll charge next.

ABYSS® guarantees quality and performance in each of our individual products. If a battery doesn’t work for you after the purchase or if there’s any issue at all, please let us know because customer satisfaction means everything to us.

ABYSS (e`-bis)
comes from the Greek word Abyssos meaning "Bottomless, Boundless, and Immeasurable"

The Unfathomable Depths of the Ocean are the world in which we are deeply rooted and from where we draw our name and inspiration.

Why Abyss Battery?

ABYSS Batteries are built with select marine-grade components and a unique construction that defines a new standard of reliable performance.


Every Abyss battery features an Internal battery management system (BMS) that stabilizes cell voltage, prevents overcharging, over discharging, reverse polarity, and short circuits.

We use the industry's safest LiFePO ₄ chemistry and utilize both large format prismatic cells and cylindrical cells for more efficient and reliable battery connections.


Using large format cells simplifies pack formation and system integration. Each bus bar connection to a cell terminal is secured using 4 screws, providing a much more robust connection and reduced contact resistance.


Our cell holder design construction is advantageous because it eliminates failure points, prevents short circuit events from happening, and improves the overall heat dissipation of the battery pack while charging and discharging.


Our bus bars are made of silver plated copper to achieve maximum conductivity and have a high resistance to corrosion for maximum performance and durability.

With Phosphate based chemistry and a safety valve design, our Lithium ion battery cells demonstrate the highest safety performance in the industry. The safety valves can pop open under abuse conditions, quickly release internal cell pressure, and thus prevent cells from catching fire. ㅤ

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Abyss Battery format cells are housed in a explosion proof aluminum casing. Tests have been conducted to confirm cells do not catch fire or explode in various abusive conditions, such as nail penetration, short circuiting, over-charging, over-discharging, over-temperature, crushing, dropping, etc. We manufacture our battery packs with the best Grade-A cells that money can buy, certified with UL1642 and do not cut corners in our assembling process. 

ABYSS batteries are different from other lithium battery manufacturers. Our batteries are manufactured with the highest-grade cells, proprietary peak surge stability, and a transient voltage BMS (battery management system). Our BMS operates seamlessly with any application and automatically manages all of the modules system parameters in real-time. The module's inherent safety, extended cell life, and zero maintenance offers end users a more reliable battery alternative by performing with more than twice the run-time and less than half the weight of similarly sized SLA, Gel, and AGM batteries.

Certifications & compliance

We only use cells listed with UL standards entities

QUALITY AND ENVIRONMENTAL MANAGEMENT SYSTEMS (ISO Certified) ISO 9001:2008 Quality Management System ISO 14001:2004 Environmental Management System IEC/UL 62133IEC62133 certifications and additional laboratory services are available as required
by our OEM clients.

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Abyss Battery® Functional Safety

Abyss Battery®, Inc manufacturing process is compliant and licensed on a international
level by TÜV Rheinland for Functional Safety as a result of exposure to harsh marine environments such as vibration, impact, ignition protection, water ingress and salt 
spray corrosion common on pleasure craft and boats.


TÜV Rheinland stands for safety and quality in virtually all areas of business and life. TÜV Rheinland’s highly qualified experts test technical systems and products around the world, support innovations in technology and business, train people in numerous professions and certify management systems according to international standards.


In doing so, the independent experts generate trust in products as well as processes across global value-adding chains and the flow of commodities. Since 2006, TÜV Rheinland has been a member of the United Nations Global Compact to promote sustainability and combat corruption.

UN/DOT 38.3: Lithium
Battery Transportation

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All Abyss Battery®, Inc. Lithium Batteries are required to pass section 38.3 of the UN Manual of Tests and Criteria, to ensure the safety of using products for our end users and for shipping purposes. We are proud of our investment to ensure our products have been UN38.3 certified.


T1 – Altitude Simulation: This is low pressure testing that simulates unpressurized airplane space (cargo area) at 15,000 meter altitude. After storing batteries at 11.6kPa for >6 hours, these criteria shall be met: no mass loss, leaking, venting, disassembly, rupture or fire, and voltage within 10% of pre-test voltage.


T2 – Thermal Test: This test covers changes in temperature extremes from -40°C to +75°C. Batteries are stored for 6 hours at -40°C (12 hours for large cells/batteries), then 6 hours at +75°C (12 hours for large cells/batteries), for a total of 10 cycles. Testing may be performed in a single chamber or thermal shock chamber, but less than 30-minute transitions shall be used.

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T3 – Vibration: This test simulates vibration during transportation. Test is a Sine Sweep: 7Hz – 200Hz – 7Hz in 15 Minutes; 12 Sweeps (3 hours); 3 mutually perpendicular axes.

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T4 – Shock: This test also simulates vibration during transportation. Test is a Half-Sine pulse: 150G/6ms for small cells/batteries; 50G/11ms for large cells/batteries; 3 pulses per direction; 6 directions (+/-z, +/-x, +/-y). Same pass criteria as T1.

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T5 – External Short Circuit: This test simulates an external short to the terminals of the cell or battery. At temperature of +55°C, apply short circuit (<0.1ohm) across terminals. Maintain at least an hour after sample temperature returns to +55 +/-2°C. Pass criteria are: Case temperature does not exceed +170°C and no disassembly, rupture, or fire within 6 hours of test. Fuse, current limiting circuit, and venting mechanism activation are allowable.

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T6 – Impact: This test is only applicable to primary and secondary cells. For cylindrical cells >20mm diameter, it simulates impact to case of cell. For cylindrical cells <20mm diameter and all other cell constructions, it simulates crushing of a cell. Pass criteria for any type is: Case temperature does not exceed +170°C & no disassembly or fire within 6 hours of test.

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T7 – Overcharge: This test is for secondary or rechargeable batteries only. It simulates an overcharge condition on a rechargeable battery: 2x the manufacturer’s recommended charge current for 24 hours. Then battery shall be monitored for 7 days for fire or disassembly.

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T8 – Forced Discharge: This testing simulates a forced discharge condition for primary and secondary cells only.

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FAQ's

Endless Exploration Begins In The Abyss

Abyss, derived from the Greek word ábyssos, meaning bottomless, unfathomable, and boundless, is the core of Abyss Battery and where the origins of our name is from.


Just as the ocean depth is immeasurable with many stories untold, so is our navigation of it. Our inspiration is drawn from the abyss, which is why we remain committed to the exploration of delivering the highest quality and innovative batteries for all your adventures.ㅤ

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Connect with us

Plunge To New Depths With
 Abyss Battery

Adaptation and evolution are the foundation of Abyss Battery, much like the organisms found at the seafloor or the Abyssopelagic zone — the deepest, remotest layer of the ocean.


This is the space where innovation occurs because of the unique challenges that have to be overcome. The mission of Abyss Battery is to power your pursuit and plunge to new depths with the reliability and innovative power solutions that only come from Abyss batteries.

LITHIUM MARINE BATTERIES

Long-Lasting Batteries For Every Adventure

Abyss Battery delivers the best battery experience possible to empower people to get out and explore, without having to worry about where they’ll get
their next charge.


We’re constantly improving our battery design, for a confidence our customers can rely on with each and every outing. The promise of Abyss Battery is that we value our customers and always put you first, so if you encounter any issues, we’ll make it right — your satisfaction means everything to us.

BBB Accredited Business

Partner With Abyss Battery Today

From lithium trolling motor batteries and marine lithium batteries to electric fishing reel batteries
and OEM solutions, no matter the depths you’ll explore, you can always rely on Abyss Battery
 to power your pursuit.

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Phoneㅤㅤ ㅤ+1-855-719-1727
EMAIL ㅤㅤㅤㅤㅤInfo@abyssbattery.com
Addressㅤ 1920 W Bay Dr, Largo, FL 33770

Our certificates

Customer Reviews

Let customers speak for us

Everybody I talk to was very helpful order was very fast had a problem with the charger no questions asked they sent me a new one the next day it worked perfect I would like to thank the staff for being so helpful

Mike Roper

07/10/2023

ABYSS® 36V On-Board Alternator C...

48Volt Battery for Golf CartI was referred to Abyss from a friend. This battery really does a great job running my cart. I have camped twice since installing it and the battery has been held the charge all day and into the next. I am thinking I am getting 20+ miles per charge. The App is very user friendly. Install was super easy. Only thing I had to buy was a 48-12 V...

Philip Riffel

07/10/2023

ABYSS® 48V 20A Lithium Golf Cart...

Flawless transaction!! Thank you for the quick delivery.

Andrew Phillips

07/10/2023

ABYSS® On-Board 24V High-Precisi...

Great option for my BoatI do not have access to shore power on a regular basis so having the on board charger is an excellent alternative for my situation.

Robert Lutts

10/04/2022

ABYSS® 48V 20A Lithium Golf Cart...

These Abyss Lithium batteries are Legit! I know a lot of anglers that have been on the Lithium train for a while now, but it took me a while to get on board. I am now a believer! My Abyss 36V lithium battery had my Minn Kota 112 Terrova running stronger and smoother than it ever has, and my trolling motor is only a year old. Ran it hard for 9 hours in 15-20 mph winds and never lost ANY power...

Mike Roper - Professional Tournament Angler

07/10/2023

ABYSS® 36V 60Ah Lithium Trolling...