Home 12V LiFePO4 Lithium Batteries 12V 100Ah Slim

overview of litime 12V 100Ah slim lithium battery

LiTime 12V 100Ah Slim LiFePO4 battery with a sleek design

LiTime 12V 100Ah Slim LiFePO4 battery, ultra-slim and space-saving with dimensions 20.87" x 11.02" x 2.36" and 32.89 lbs

LiTime 12V 100Ah Slim LiFePO4 battery, only 2.36" thick, designed for compact spaces compared to standard 12V batteries

LiTime 12V 100Ah Slim LiFePO4 battery fits seamlessly in RVs, vans, marine applications, and off-grid homes—zero space takeover

installation guide of litime 12V 100Ah slim lithium battery

LiTime 12V 100Ah Slim LiFePO4 battery features low-temp cut-off protection, ensuring health at extreme temperatures

LiTime 12V 100Ah Slim LiFePO4 battery features an intelligent BMS for multi-protection

LiTime 12V 100Ah Slim LiFePO4 battery features EV-grade cells, ensuring 10-year life with up to 15,000 cycles at 60% DOD

LiTime 12V 100Ah Slim LiFePO4 battery features a high-strength IP65 sheet metal enclosure for excellent heat dissipation and durability

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Auto low-temp cut-off prevents damage from charging or discharging in extreme cold.

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Features

New

LiTime 12V 100Ah Slim LiFePO4 Lithium Metal Case Battery

$459.99

$899.99

49 % OFF

2.36" Ultra-Thin Design,Built-in 100A BMS with Low-Temp Protection, Fits into Tight Spaces, Ideal for RV, Solar & Marine Use

Ultra-Slim & Space-Saving: Only 2.36" thick-fits under seats, in floor compartments, and behind panels for a seamless install.
Rugged Metal Durability: High-strength metal casing resists impact and corrosion.
Versatile Mounting Solutions: Supports installations on walls, floors, desks, and confined spaces in vehicle compartments or marine holds.
lP65 Dust & Water Resistant: Fully sealed to block dust and water jets-built for tough environments.
Low-Temperature Protection: BMS prevents charging below 32°F (0°C) for safe, reliable cold-weather performance.
Optimized for Tight Spaces: Ideal for RVs, off-road vehicles, trucks, and yachts, slim battery seamlessly integrates into compact spaces such as floor compartments, wall cabinets, and under-seat areas.

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Comparison

1 Pack

$459.99 $899.99

2 Pack ($455.39 /each)

$910.78 $1,799.98

3 Pack ($455.39 /each)

$1,366.17 $2,699.97

4 Pack ($450.79 /each)

$1,803.16 $3,599.96

1 Pack + 20A Charger (Save 8%)

$561.18 $1,009.98

Quantity:

$459.99

$899.99

49 % OFF

5-Year Warranty

Backed up by techical support within 24hrs.

Free Shipping

Free standard shipping on all orders.
Delivered in 2–5 business days.

Free Returns

30 Days Hassle Free Returns

12V 100Ah Slim

$459.99

$899.99

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Features Specs FAQ Reviews

Ultra-Slim Power, Built for Every Space

LiTime 12V 100Ah Slim LiFePO4 Battery features a 2.36" ultra-thin profile, perfect for tight compartments in RVs, vans, boats, and solar systems. Its rugged metal case resists impact and corrosion, while IP65-rated protection keeps dust and water out. Mount it under seats, on walls, or even stack multiple units—compact power without compromise.

features of litime 12V 100Ah slim lithium battery

50% Lighter & 36% Smaller

Compared to Group 31 batteries, the LiTime 12V 100Ah Slim LiFePO4 Battery is 50% lighter than lead-acid and saves 36% more space than standard lithium models. Its ultra-slim 2.36" profile allows for more flexible and efficient installations in tight, unconventional areas—ideal for RVs, boats, vans, and custom setups.

LiTime 12V 100Ah Slim LiFePO4 battery saves 36% space and is 50% lighter than Group 31 lithium and lead-acid batteries.

Engineered for Easy, Secure Mounting

With 4 sturdy mounting brackets and 7 pairs of pre-drilled holes, installation is simple and flexible—whether on walls, in cabinets, or vehicle panels. Weighing just 32.89 lbs and measuring only 2.36" thick, it fits seamlessly into tight spaces without extra modification.

LiTime 12V 100Ah Slim LiFePO4 battery includes 4 mounting brackets, 7 pairs of holes, and weighs 32.89 lbs for easy installation

Versatile Mounting- Fits Any Way You Need!

mounting step of litime 12V 100Ah slim lithium battery

Step 1

Secure the brackets to both sides of each battery with M4 screws

Step 2

Align and connect the brackets of the two batteries with bolts and nuts

Step 3

Attach brackets to the top and bottom of one of the batteries through M4 screws

Step 4

Install the batteries either horizontally or vertically by plastic anchors and M5 screws

Flexible Mounting, Wherever You Need Power

From modified vehicles to wall panels, under-table spots to hidden compartments, the 12V 100Ah Slim battery offers installation freedom like no other. Its ultra-slim form fits cleanly into a wide range of indoor and outdoor energy setups—without taking up precious space.

LiTime 12V 100Ah Slim LiFePO4 battery offers versatile installation options: in vehicles, under tables, on walls, or underground

Smart Low-Temp Protection, Built to Withstand the Cold

Equipped with intelligent low temperature cut-off protection, the battery automatically cuts off charging below 32°F (0°C) and discharging below -4°F (-20°C). Charging resumes safely at ≥ 41°F (5°C), ensuring long-term battery health in freezing conditions.

LiTime 12V 100Ah Slim LiFePO4 battery features low-temp cut-off protection, ensuring optimal health at extreme temperatures

EV-Grade Cells for Maximum Performance and Longevity

Built with automotive-grade LiFePO4 cells, this battery delivers 500A peak and 100A continuous output to power heavy loads with ease. Engineered for safety and durability, it offers 4000 cycles at 100% DOD, over 20 safety tests passed, and a 10-year lifespan for long-term confidence.

LiTime 12V 100Ah Slim LiFePO4 battery features EV-grade cells with 1280Wh energy, 4000 cycles, and a 10-year lifespan

Fast & Flexible Charging, Anywhere You Are

Charge your 12V 100Ah Slim battery using AC, solar, alternator, or generator—whatever fits your setup. Whether you're off-grid, on the road, or at home, enjoy full recharge in as little as 2.5 hours with a 40A DC-DC charger or in just 1 sunny day using a 400W solar panel.

charging ways of litime 12V 100Ah slim lithium battery

Power That Fits Your Vehicle and Your Journey

Designed for pickup trucks, trailers, vans, and off-road rigs, the LiTime 12V 100Ah Slim battery fits where others can't. Its ultra-slim form and flexible mounting make it perfect for life on the road—keeping your gear charged, your cabin powered, and your outdoor trips worry-free.

SPECS

BATTERY

Cell Type：

LiFePO4

Warranty：

5 Years

Cycle Life：

4000+

Nominal Voltage：

12.8V

Rated Capacity：

100Ah

Energy：

1280

Max. Expansion (Parallel & Series)：

4P4S

Internal Resistance：

≤40mΩ

Certifications：

UL-1973,FCC,CE,RoHS,UN38.3

Bluetooth：

/

Self-Heating：

/

BMS

BMS：

100A

Max. Continuous Output Power：

1280

Max. Continuous Charge Current：

100A

Max. Continuous Discharge Current：

100A

Max. Discharge Current 1 Second：

500A

CHARGE

Charge Method：

CC/CV

Charge Voltage：

14.4±0.2V

Recommend Charge Current：

20A

TEMPERATURE

Charge Temperature：

0℃ to 50℃ / 32℉ to 122℉

Discharge Temperature：

-20℃ to 60℃ / -4℉ to 140℉

Storage Temperature：

-10℃ to 50℃ / 14℉ to 122℉

Low-Temperature Protection：

√

OTHERS

Terminals：

M6 Bolts

Weight Approx.：

32.89 lbs

Size：

20.87*11.02*2.36 in

Housing Material：

Steel Plate Cold Common (SPCC)

Protection Class：

Can this battery be installed vertically or mounted on a wall?

Yes. The battery comes with 4 mounting brackets and 7 pairs of mounting holes for vertical, horizontal, or wall-mounted installation, making it ideal for RVs, marine compartments, and space-constrained energy systems.

Does the battery include low-temperature protection?

Yes. The built-in 100A BMS includes low-temperature charging protection that automatically stops charging below 32°F (0°C) and resumes at ≥41°F (5°C), preventing cell damage and ensuring reliable cold-weather operation.

How do I charge the battery and how long does it take?

Quick View

One-Stop-Solution

Quick View

Why LiTime is Your Best Choice

TOP 1 LiFePO4 Brand

As the #1 LiFePO4 battery brand, LiTIme leads the market with the most complete power solutions—covering RVs, home storage, marine, golf carts, off-grid systems, and beyond.

15-Year Expertise

With 15 years of industry experience, LiTime serves over 350,000+ users globally, ensuring quality and trust. LiTime keeps innovating and has your back, always.

24/7 Expert Support

With 24/7 expert support and an average 24-hour response time, we ensure you get the help you need, anytime. Whether it's pre-sales or after-sales, we guarantee 100% support every step of the way.

Expert-Backed Quality

LiTime is certified by top organizations like RVDA, backed by over 70+ patents and recognized for quality. Let authorities and patents prove why LiTime leads the way.

Industry-Leading Tech

With EV-grade cells passing 80+ tests and a self-developed BMS with under 1% margin of error, LiTime batteries ensure 15,000 cycles, 20+ protections, and up to 10 years of reliable performance.

Cutting-Edge Features

LiTime batteries offer a range of advanced features, including Bluetooth, low-temperature protection, self-heating, high-rate discharge, pre-charging, ensuring reliable power and peace of mind in any environment.

User-Driven Power Stories

See how LiTime batteries are changing the way real users power their lives.

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Years of Industry Expertise

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Countries & Regions

0 +

Intellectual Property Rights

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User Insights

Matt Elliott

The weight difference was incredible. One 6v Battery weighed 63 lbs. this battery 38 lbs!

Reel in Florida

I think the mini is the real star of the show. 100ah in this small a package is perfect for kayaks and other small craft.

Patrick Dwivedi

I love the lighter weight of the battery. I no longer need to call on my trusty neighbors to help me install the battery inside my VW Bus.

Paul Muller

Shipping was extremely fast ( received within two days after placing order). Batteries work like a charm for our camper.

[KellG]

For the performance & reliability, I do recommend this battery

Dan M

The amount of power that this battery can instantly dump into the cart is awesome.

Eric Anderson

Used my new LiTime 12v 200a batteries for the first time this weekend. Couldn’t be happier!

mtkeane

I would say that not only are the products great, but so is the customer service.

Greg Sapp

Very impressed with the quality and the documentation provided by LiTime.

Reel in Florida

The best upgrade you can make!

Artie H

Li Time US , Great customer support services

Andrew Martin

This charger is a beast! Pleasantly surprised so far with LiTime products.

John D. Hollingsworth, Jr.

After many months of debate, I finally bit the bullet and rebuilt my Stealth 4x4 cart with the new batteries.

Customer

So far for my golf cart it's been a great battery I got the 10amp charger also no problems.

Eve Ford

Great customer service! The batteries ran our solar system on our camper with no problem.

Klaus Feldmeier

The replacement was straight forward - the new LiTimes batteries are nearly 50% lighter than the lead acid batteries.

Scott Winebarger

No complaints yet, still building my system, so far, I am impressed

[Timothy Vaughan] Vaughan

Already had my 100ah trolling motor battery out several times and it’s delivered in spades. Very happy with my purchase!

John Hogan

Though I had to reconfigure the base of the robot, I have more than enough battery capacity to run for hours.

Perry Mahnke

It's amazing how much lighter the LiTime Mini batteries are, the conversion was easy, and the fit & finish on the LiTime Minis is great.

Anthony Carita

Love how light this battery is. My mower lost about 100 Lbs of weight. The battery has a nice case and looks top quality.

Rob D.

Great Products. Really Great Support.

Matt Elliott

The weight difference was incredible. One 6v Battery weighed 63 lbs. this battery 38 lbs!

Reel in Florida

I think the mini is the real star of the show. 100ah in this small a package is perfect for kayaks and other small craft.

Patrick Dwivedi

I love the lighter weight of the battery. I no longer need to call on my trusty neighbors to help me install the battery inside my VW Bus.

Paul Muller

Shipping was extremely fast ( received within two days after placing order). Batteries work like a charm for our camper.

[KellG]

For the performance & reliability, I do recommend this battery

Dan M

The amount of power that this battery can instantly dump into the cart is awesome.

Eric Anderson

Used my new LiTime 12v 200a batteries for the first time this weekend. Couldn’t be happier!

mtkeane

I would say that not only are the products great, but so is the customer service.

Greg Sapp

Very impressed with the quality and the documentation provided by LiTime.

Reel in Florida

The best upgrade you can make!

Artie H

Li Time US , Great customer support services

Andrew Martin

This charger is a beast! Pleasantly surprised so far with LiTime products.

John D. Hollingsworth, Jr.

After many months of debate, I finally bit the bullet and rebuilt my Stealth 4x4 cart with the new batteries.

Customer

So far for my golf cart it's been a great battery I got the 10amp charger also no problems.

Eve Ford

Great customer service! The batteries ran our solar system on our camper with no problem.

Klaus Feldmeier

The replacement was straight forward - the new LiTimes batteries are nearly 50% lighter than the lead acid batteries.

Scott Winebarger

No complaints yet, still building my system, so far, I am impressed

[Timothy Vaughan] Vaughan

Already had my 100ah trolling motor battery out several times and it’s delivered in spades. Very happy with my purchase!

John Hogan

Though I had to reconfigure the base of the robot, I have more than enough battery capacity to run for hours.

Perry Mahnke

It's amazing how much lighter the LiTime Mini batteries are, the conversion was easy, and the fit & finish on the LiTime Minis is great.

Anthony Carita

Love how light this battery is. My mower lost about 100 Lbs of weight. The battery has a nice case and looks top quality.

Rob D.

Great Products. Really Great Support.

Power You Can Trust, Backed By Experts

The Power Behind Experts, Adventures, And The World’s Best

Media

Association

"Globally trusted, LiTime’s innovation in energy solutions sets a new industry standard."

"LiTime combines cutting-edge technology with unmatched reliability, powering users' lives worldwide."

"LiTime’s LiFePO4 batteries provide outstanding performance, making it the top choice for customers."

"LiTime delivers powerful, reliable, and sustainable energy solutions tailored to meet every need."

"LiTime’s customer-centric approach drives the development of unparalleled energy solutions."

"LiTime's energy solutions combine advanced R&D with real-world user insights for unmatched reliability."

"With extensive research backing it, LiTime’s products are engineered for superior quality and durability."

"Renowned for its exceptional battery technology, LiTime is a trusted leader in energy innovation."

"The world trusts LiTime for innovative and dependable energy solutions, powering homes and businesses."

"LiTime's global reputation for excellence is built on performance, reliability, and cutting-edge technology."

"LiTime’s LiFePO4 batteries are the perfect fusion of innovation and reliability for every user."

"LiTime’s commitment to research ensures their products remain at the forefront of energy solutions."

"LiTime's power solutions are trusted by users globally, offering unmatched performance and longevity."

"LiTime’s success stems from combining groundbreaking technology with a deep understanding of customer needs."

"LiTime pioneers the future of energy with innovation, reliability, and sustainability."

LiTime batteries are installed to ABYC E-13 standards, fully compliant with lithium battery requirements.

Powering passion on the water – as a member of IGFA.

Proud Member of GCSAA – Trusted by golf course professionals nationwide.

Member of RVDA – Serving the RV Industry with advanced lithium power.

Powering the RV lifestyle with Escapees-backed lithium technology.

Official FMCA commercial member delivering trusted power for motorhome owners.

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