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32% OFF
LiTime 12V 100Ah Xtra-Mini lithium battery
LiTime 12V 100Ah Xtra-Mini lithium battery
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function icon of litime low-temp protection batteries
Low-Temp Charging Protection – Stops charging in cold environments to ensure safety and extend battery lifespan.
icon of litime smart bluetooth function batteries
Bluetooth 5.0 for battery status tracking—SOC, voltage, power, and more.

12V 100Ah Xtra-Mini Smart

Group 22NF: L9.02*W5.43*H8.19 in
Industry Smallest & Lightest 12V 100Ah
Ultra-Compact for Limited Space
$314.99
$469.99
19% OFF
litime 12v 165ah group 31 lithium bluetooth battery
litime 12v 165ah group 31 lithium bluetooth battery
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icon of litime smart bluetooth function batteries
Bluetooth 5.0 for battery status tracking—SOC, voltage, power, and more.
function icon of litime low-temp protection batteries
Low-Temp Charging Protection – Stops charging in cold environments to ensure safety and extend battery lifespan.
litime water proof products
Waterproof design for resisting water—safe in wet conditions.

12V 165Ah Smart

Group 31: L13*W6.77*H8.5 in
Highest Energy Density in Group 31
For RV, Camping, Marine, etc.
$452.62
$559.99
21% OFF
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litime self-heating batteries
Smart heating below 41°F for safer cold-weather charging.
function icon of litime low-temp protection batteries
Low-Temp Charging Protection – Stops charging in cold environments to ensure safety and extend battery lifespan.
icon of litime smart bluetooth function batteries
Bluetooth 5.0 for battery status tracking—SOC, voltage, power, and more.

12V 165Ah Smart Self-Heating

L13*W6.77*H8.5 in
Smart Self Heating, Bluetooth Password Control
For RV, Camping, Trolling Motor, etc
$473.67
$599.99
18% OFF
LiTime 12V 165Ah dual purpose smart self-heating battery
LiTime 12V 165Ah dual purpose smart self-heating battery
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icon shows litime lithium cranking/starting batteries
Marine starting power—strong, fast, and cold-ready.
icon of litime smart bluetooth function batteries
Bluetooth 5.0 for battery status tracking—SOC, voltage, power, and more.
litime self-heating batteries
Smart heating below 41°F for safer cold-weather charging.
function icon of litime low-temp protection batteries
Low-Temp Charging Protection – Stops charging in cold environments to ensure safety and extend battery lifespan.
litime water proof products
Waterproof design for resisting water—safe in wet conditions.

12V 165Ah Dual Purpose Smart Self-Heating

Group 31: L13*W6.77*H8.5 in
1200 CCA and 1300 MCA
Marine Starting + Deep Cycle in One
$569.99
$699.99
29% OFF
Compare
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function icon of litime low-temp protection batteries
Low-Temp Charging Protection – Stops charging in cold environments to ensure safety and extend battery lifespan.
icon of litime smart bluetooth function batteries
Bluetooth 5.0 for battery status tracking—SOC, voltage, power, and more.
litime water proof products
Waterproof design for resisting water—safe in wet conditions.

12V 200Ah Xtra Mini RV Smart

L13.11*W6.93*H9.45 in
Field Proven Compact Power
For RV, Camping, Marine, etc.
$648.41
$919.99
30% OFF
Compare
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litime self-heating batteries
Smart heating below 41°F for safer cold-weather charging.
function icon of litime low-temp protection batteries
Low-Temp Charging Protection – Stops charging in cold environments to ensure safety and extend battery lifespan.
icon of litime smart bluetooth function batteries
Bluetooth 5.0 for battery status tracking—SOC, voltage, power, and more.

12V 320Ah Mini Smart Self-Heating

L14.49*W7.44*H10.04 in
Smart Self Heating, Bluetooth Password Control
For RV, Camping, Marine, etc.
$768.41
$1,099.99
26% OFF
litime 12v 320ah mini lifepo4 lithium bluetooth battery
litime 12v 320ah mini lifepo4 lithium bluetooth battery
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icon of litime smart bluetooth function batteries
Bluetooth 5.0 for battery status tracking—SOC, voltage, power, and more.
function icon of litime low-temp protection batteries
Low-Temp Charging Protection – Stops charging in cold environments to ensure safety and extend battery lifespan.

12V 320Ah Mini Smart

L15.12*W7.64*H9.76 in
The Highest Energy Density LFP Battery
For RV, Camping, Marine, etc.
$736.83
$999.99
41% OFF
litime 12v 100ah slim lithium battery
litime 12v 100ah slim lithium battery
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litime water proof products
Waterproof design for resisting water—safe in wet conditions.
function icon of litime low-temp protection batteries
Low-Temp Charging Protection – Stops charging in cold environments to ensure safety and extend battery lifespan.
icon of litime smart bluetooth function batteries
Bluetooth 5.0 for battery status tracking—SOC, voltage, power, and more.
litime self-heating batteries
Smart heating below 41°F for safer cold-weather charging.

12V 100Ah Ultra Slim RV Smart Self-Heating

Bluetooth 5.0
Dual Self-Heating
Ultra-Slim Fit
$409.99
$699.99
Need Help?
Have Questions or Want to Discuss Your Lithium Power System Needs?

FAQ

Are LiTime small lithium-ion batteries safe?

Yes—LiTime small lithium ion batteries are designed with built-in BMS protections, and many models add low-temp charging protection for safer use.

LiTime mini line uses LiFePO4 (a thermally stable lithium chemistry) plus a smart BMS, and some mini models stop charging in freezing conditions to help prevent damage—key safety features for a lithium ion battery small enough for tight installs.

What size are LiTime small lithium-ion batteries?

Sizes vary by model—from ultra-compact Group 22NF up to Group 31 in the mini lineup.

Example: the Xtra-Mini Group 22NF is 9.02×5.43×8.19 in, while a mini Group 31 option is listed at 13×6.77×8.5 in—so you can pick a LiTime ithium ion small battery that fits your battery box.

How long does a LiTime mini battery last?

Typically 4,000+ cycles (and up to 15,000 cycles at lighter use) with an advertised ~10-year everyday-use lifespan (model/usage dependent).

For example, LiTime’s 12V 100Ah mini lists 4,000+ cycles at 100% DoD, higher cycle counts at shallower DoD, and a 5-year warranty—all strong indicators of long-term durability for small lithium ion batteries.

Are mini power banks safe to use?

Generally yes—if you buy reputable units and use them correctly; cheap/counterfeit power banks are the bigger risk.

Look for products built/tested to recognized safety standards (e.g., LiFePO4 battery safety standards like IEC 62133), avoid damaged/swollen packs, and prevent shorts. For flights, power banks must go in carry-on, not checked bags.

FAQ

1. Can I run my truck AC while the engine is completely off?
2. How does it help save money in summer?
3. Is it suitable for sleeper cab trucks?
4. Why use lithium battery power instead of idling all night?
5. Can it support parking AC use in summer?
6. What products are recommended for this setup?

The NO.1 LiFePO4 Battery Brand

16 Years of Innovation and Expertise in the #1 LiFePO4 Battery
The No.1 LFP Brand
100% Quality Guarantee
NO.1 LiFePO4 Batery
The industry best lithium battery brand.
NO.1 LiFePO4 Batery
NO.1 LiFePO4 Batery
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.
16-Year Expertise
16 years of trust. Powering 350,000+ users worldwide.
16-Year Expertise
16-Year Expertise
With 16 years of industry experience, LiTime serves over 350,000+ users globally, ensuring quality and trust. LiTime keeps innovating and has your back, always.
One-Stop Solution
Complete LiFePO4 solutions. All in LiTime.
One-Stop Solution
One-Stop Solution
From 12V to 48V, chargers to accessories, LiTime offers the market’s most complete selection—your one-stop power solution, delivering everything you need and more.
24/7 Expert Support
24/7 expert support—before, during, and after your purchase.
24/7 Expert Support
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.
Industry-Leading Tech
Leading LiFePO4 innovation. Powered for what’s next.
Industry-Leading Tech
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
All-in-one battery line. From essential to advanced features.
Cutting-Edge Features
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.
Expert-Backed Quality
Certified. Patented. Proven. LiTime leads with trust.
Expert-Backed Quality
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.