Best 12v Lithium Ion Battery Manufacturer, Factory, Supplier In China

As for battery technology experts since 2003,we’re passionate about advanced energy storage, innovation, and quality, is one of the leading 12v lithium battery manufacturers, factories & suppliers in China, accepting OEM, ODM, SKD orders. We have rich experiences in production & research development for different lithium battery types. We focus on advanced technology, strict manufacturing step, and a perfect QC system.

Wholesale 12v lithium battery Just in One Place - The Ultimate Solutions

Looking for a business partner from whom you can buy 12v lithium

battery for wholesale price? We got you covered. Learn more about how we can work together.


Hi, I’m Eric Yi from BSLBATT Battery. Let me guide you through this ultimate solutions page.


Our company has been working so hard for more than 20 years to unravel the secrets behind making 12v lithium ion battery a lucrative business. Click the button below to know more about 12v lithium battery: their many benefits, categories, product line, Craftsmanship, and so much more!

Why choose BSLBATT Battery?

BSLBATT Battery is a China-based energy storage system supplier, located in the center of beautiful Huizhou. Since its inception in 2003, BSLBATT Battery has worked hard to earn the most reliable reputation in the industry. Our product reviews come from actual customers who appreciate and trust the quality they expect from our products. We’re not bragging rights, but we’re more than happy to let our clients speak for us.

Our 20 years of hands-on experience in manufacturing 12v lithium battery have made us masters of our craft. From choosing the best Tier One, A+ Cell Composition, and turning them into reliable, safe, durable 12V lithium ion battery packs, to marketing and shipping around the world, BSLBATT Battery is a name you can trust.

  • Top-quality batteries designed based on China quality standards, offering superior performance, high durability and excellent cycle life.
  • Replace lithium iron phosphate in a variety of lead-acid battery sizes, with options for custom battery packs and energy solutions.
  • Efficient production using state of the art manufacturing equipment, allowing our batteries to be delivered for your project on time.
  • Excellent customer service from enquiry to delivery with outstanding after-sale support and the best replacement warranty on batteries.
  • Strong track record of production and delivery to OEM and direct-to-consumer markets.
  • BSLBATT is a socially responsible battery company with green initiatives of battery recycling and footprints of community support in china and around the world.
  • Become the best and most economical decision
lithium battery factory page

BSLBATT 12V LiFePO4 batteries are offered in capacities of 7Ah to 542Ah

Don’t you find what you are looking for?

Just tell us your detailed requirements. The best offer will be provided.

Advantage Of 12v Lithium Battery

Uncompromising Quality

BSLBATT 12V LiFePO4 battery has a minimum 4000 cycles time which delivers up to 8 times longer than a lead-acid battery. Moreover, with the incredible energy density of the battery, BSLBATT 12V LiFePO4 battery is thin and light with immense power.There’s no reason to settle for other batteries if you can think ‘Big Picture’.

Low Self-Discharge Rate

The battery can be switched between active mode and shelf mode with the Activation Switch. Prior to long periods of storage, disconnect the battery from the system, connect the activation switch to the RS485 UP Communication Port of the battery, and long press the Power Button for 3 seconds to switch the battery to shelf mode.

Low Temperature Protection Function

The lithium battery has low temperature charging and discharging protection function. When the temperature is below 0℃, it will stop charging. When the temperature is below -20℃, it will stop discharging.

Activation switch

The activation switch will allow you to manually access shelf mode. This is where the battery will have a very low self-discharge rate and can hold charge for longer, protecting your battery when not in use.

Portable and Powerful

Our 12V LiFePO4 battery is only a third of the weight of Lead Acid while providing a massive boost to performance and capacity so you won’t miss a single second of runtime. BSLBATT‘s 12V LiFePO4 battery is your best choice for RVs, Marine and Off-Grid Applications when towing or mobility is in consideration.

Eco-Friendly Choice

Regardless of the production, use, or scrap, it does not contain or produce any toxic and harmful heavy metal elements and substances such as lead, mercury, and cadmium. BSLBATT 12V LiFePO4 batteries is made from 100% safe, nontoxic, and renewable energy.

Reliable BMS System

The state-of-the-art battery management system (BMS) with high-performance dual-processors provides short circuit, overcharging and over-temperature protection while maintaining a balanced voltage across all cells. the battery will guarantee balance between each battery cell group,and features the most precise temperature measurement discrepancy of its kind.

Works with BSLBATT Bluetooth

Add BSLBATT Bluetooth to achieve smart energy monitoring with intuitive visuals and real-time data. This all-in-one display provides you access to accurate energy system data anywhere, anytime via the DC Home app.

Auto-balancing Function

Easily connect multiple batteries in parallel with the auto-balancing function, improving the average charging efficiency for your batteries in the long term.

BSLBATT® Lifepo4 Batteries Compared To Lead Acid Batteries

Long Lifetime. Lower Costs

Lithium batteries are cheaper than lead-acid batteries when the costs are considered over the period of use.


Lead-acid batteries lose significant capacity after a maximum of 800 charging cycles. A LiFePO4 battery, on the other hand, masters 3,000 charging cycles without any problems and also offers good performance for the subsequent 7,000 cycles.


This means that a BSLBATT® lithium battery lasts at least as long as three lead batteries, even when used intensively.

Higher Depth Of Discharge

A regular deep discharge of more than 50% is not recommended for lead-acid batteries, as the number of possible cycles drops disproportionately. A lithium battery, on the other hand, can be regularly discharged up to 90% without any problems, without the number of cycles suffering as a result. A 100Ah lithium battery can usually replace a 200Ah lead battery.

Higher Power Density. Light On Weight

In terms of weight, a lithium battery is clearly preferable to a lead battery.


A typical 100Ah lead acid battery weighs around 32 kilograms. A lithium battery with the same capacity weighs just 14.5 kilograms. Thus, the weight saving is more than 50%. If a 200Ah lead battery is replaced with a 100Ah lithium battery, the weight saving doubles again.

Battery Management System And Bluetooth Monitoring

The Battery Management System (BMS) built into each battery ensures that the battery is protected from improper use. For example, it switches off the battery in the event of Undervoltage or overvoltage and automatically switches it on again as soon as the problem has been solved.


Thanks to the integrated Bluetooth interface, the battery status can be conveniently monitored at any time via smartphone or tablet (Android or Apple iOS). Elaborately wired battery monitors are no longer necessary.

Battery status always in view

Certificates From Lithium Battery Manufacturer And Factory


BSLBATT Lithium batteries are UN 38.3 certified and built from grade A cells.


BSLBATT Lithium’s cells are UL1973 & UL2580 certified and have been tested per IEC62133 standards. UN Manual of Tests and Criteria certified and meets all US & International regulations for air, ground, marine, and train transport. Select battery models are ISO Certified ISO 9001:2015 Quality Management System & ISO 14001:2015 Environmental Management System for use in industrial applications.


IEC62133 certifications and additional laboratory services are available as required by our OEM clients.

Have a Special Requirement?

Generally, we have common 12v lithium ion battery products and raw materials in stock. For your special demand, we offer you our customization service. We accept OEM/ODM. We could print your Logo or brand name on the battery body. For an accurate quotation, you need to tell us the following information:


Please tell us requirements for operating voltage;and if need to add extra function such as 10s discharge, 10s charge etc.


No MOQ limit. But for the Max quantities, it will help you get the cheaper price. More quantity ordered, the lower price you could get.


Tell us your application or detail information for your projects. We can offer you the best choice, meanwhile, our engineers can give you more suggestions under your budget.

12v Lithium Ion Battery : The Ultimate Guide

BSLBATT® is a world-leading 12v lithium ion battery provider in China with nearly 20years of experience. We have a wide range of 12v lithium ion battery for your application needs. Whether you need a 12v 100ah lithium ion battery, 12v deep cycle lithium ion battery, 12v 200ah lithium ion battery, 12v 12ah battery lithium, and many more, BSLBATT® has a reliable and cost-effective solution.


We can manufacture 12v lithium ion battery using the right manufacturing process. We can work with your team to choose the best BSLBATT® 12v lithium ion battery selections for your battery applications.


BSLBATT® specializes in the development, design, and fabricating 12v lithium ion battery for OEM applications. What’s more, as your reliable lithium battery manufacturer, we can fully support your branding business. BSLBATT® custom 12v lithium ion battery includes your own logo, design, sizes, and specifications.


Whether you need standard or custom lithium battery, BSLBATT® is the best partner! Give us a call now for more information!

How do I charge a lithium battery?

BSLBATT Lithium batteries perform best when charged by a lithium compatible charger. Lead acid or SLA chargers, on-board chargers for AGM batteries, or other non-lithium chargers will charge a BSLBATT Lithium battery but only to 70-80% of capacity. This is because Dakota Lithium iron phosphate (LiFePO4) technology charges and is full at a higher voltage then traditional batteries (BSLBATT Lithium charges at 14.4 Volts). Chargers with a lithium battery setting or designed for lithium will charge at the appropriate voltage.

What battery do I need for my RV or Camper Van?

The industry standard house battery size used in most RVs, Campers, and #VanLife builds is the B-LFP12V-100Ah battery. This is a drop in replacement for AGM and most lead acid batteries. If you are charging off your engine’s alternator we recommend a Victron DC-DC smart charger. If charging off solar panels we recommend a Victron Smart Solar charge controller, or if you have a solar charge controller choose the lithium setting. It is worth mentioning that the BSLBATT battery is fully compatible with Victron inverters! do not worry

What Trolling Motor Battery Do You Recommend?

BSLBATT Battery is a proud sponsor of over 200+ professional athletes in the fishing industry. Here’s batteries sizes recommended by our pros depending on the size of your trolling motor:

Motor Thrust / Max Amp Draw (A) @ Voltage (V) / Recommended Battery

20 lbs / 20A @ 12V / B-LFP12-50 or B-LFP12-60

25 lbs / 25A @ 12V / B-LFP12-50 or B-LFP12-60

30 lb / 30A @ 12V / B-LFP12-50 or B-LFP12-60 or B-LFP12-100

45 lb / 42A @ 12V / B-LFP12-50 or B-LFP12-60 or B-LFP12-100

55 lb / 50A @ 12V / B-LFP12-50 or B-LFP12-60 or B-LFP12-100

70 lb / 42A @ 24V / 24V Single or B-LFP12-50 x 2 or B-LFP12-60 x 2 or B-LFP12-100 x 2

80 lb / 56A @ 24V / B-LFP12-50 x 2 or B-LFP12-60 x 2 or B-LFP12-100 x 2

101 lb / 46A @ 36V / 36V Single or B-LFP12-60 x 3 B-LFP12-100 x 3 or B-LFP12-200 x 3

112 lb / 52A @ 36V / 36V Single or B-LFP12-60 x 3 or B-LFP12-100 x 3 or B-LFP12-200 x 3

>112 lb / Up to 100A @ 36V / B-LFP12-60 x 3 or B-LFP12-100 x 3 or B-LFP12-200 x 3

For multiple batteries connected in series, we recommend that customers directly contact our sales engineer to apply for a whole pack of battery packs for matching by email [email protected].

For a deep dive on trolling motor batteries read Why Boaters Are Choosing Lithium for Their Trolling Motor Batteries

Are Lithium Batteries Safe?

BSLBATT Lithium batteries are 100% safe & reliable. Our signature chemistry, Lithium Iron Phosphate (LiFePO4), does not contain rare earth elements (like Cobalt) or heavy metals, is non-toxic, including no lead or acid, is non-corrosive, does not off gas, requires no watering or maintenance, can be placed in any orientation, and unlike other lithium batteries will not explode or catch fire. In addition, each BSLBATT Lithium battery is protected from over heating, over charging, and short circuiting, by a battery management system (BMS) microchip that also extends the lifespan and is contained in a rugged, waterproof case (although enough water can conduct electricity between the terminals, so don’t submerse the battery). For best performance & reliability we recommend using a LiFePO4 charger.

How do I get the longest battery life out of my LiFePO4 battery?

LiFePO4 batteries should be “topped off” after each use. For greatest longevity, we recommend not fully discharging the battery nor over-charging by leaving it connected to a charger well beyond its full charge cycle. Remember that over the long term, the battery has a limited number of charge and discharge cycles with “one cycle” being either a complete charge and discharge cycle, or a cumulative of both to add up to a full cycle.

How should I store my battery?

Store BSLBATT Lithium batteries in a cool dry place, and be sure to fully charge them before storage. If storing it for an extended period of time, we advise charging them up at regular intervals–typically “topping off” every month or every other month. For further details, please refer to our article on storing BSLBATT Lithium batteries here.

I Need a 24 Volt Battery, Can I Use Two 12 Volts Instead?

Yes! Connecting multiple batteries together to create a higher voltage is called connecting in series. Our 12V batteries can be connected in series up to 48V maximum. For more on wiring batteries in series or parallel, both processes are detailed fully here.

Why does the battery stop working a few seconds after a high current draw?

Make sure the load is not exceeding the rated continuous output current. If the electrical load exceeds the limits of the BMS, the BMS will shut down the pack. To reset, disconnect the electrical load and troubleshoot your load and make sure that the continuous current is less than the maximum continuous current for the pack. To reset the pack, attach the charger back to the battery for a few seconds. If you need a battery with additional current output, please contact us at [email protected] or call us at +86-752-2819-469

Are the batteries waterproof?

They can not be put completely under water. Water can be splashed on them and they will be okay.

Can you shut off or change the BMS board?

No, you cannot turn off the battery or change the BMS board.

I heard 12V Lithium battery were unsafe and are a fire hazard. Will they blow up or catch on fire?

Every battery of ANY chemistry has the potential to fail, sometimes catastrophically, or catch on fire. In addition, lithium metal batteries which are more volatile, are non-rechargeable, and are not to be confused with lithium-ion batteries. However, the lithium-ion chemistry used in BSLBATT Lithium Batteries, lithium iron phosphate cells (LiFePO4) is the safest on the market having the highest thermal runaway threshold temperature of all the different lithium types of batteries. Remember, there are many lithium-ion chemistries and variations. Some are more volatile than others, but all have made advances in recent years. Also note, that all lithium batteries undergo rigorous UN testing before they can be shipped worldwide further insuring their safety.

Will the cost of Lithium batteries become cheaper?

At the moment, Lithium materials are about 3~4 times higher than lead-acid for the same capacity. This will no doubt come down as worldwide supply goes up.

Can BSLBATT 12V Lithium battery be fully discharged and then disposed of in the regular garbage?

12V Lithium battery are subject to disposal and recycling regulations that vary by country and region. Always check and follow your applicable regulations before disposing of any battery. Many countries prohibit the disposal of waste electronic equipment in standard waste receptacles. Place only discharged batteries in a battery collection container. Use electrical tape or other approved covering over the battery connection points to prevent short circuits.

Where can I recycle my 12V Lithium battery?

Consumers can find the nearest participating drop-off location by going online at or or calling 1-877-2-RECYCLE or 1-800-8-BATTERY.

Can I use my 12V Lithium battery in cold weather?

BSLBATT 12V Lithium battery have built in cold weather protection – The battery will not take a charge if temperatures are below -4C or 24F in our case. Some variations with part tolerances.

Our BSLBATT 12V Lithium battery warm up the battery to enable a charger once battery is warmed up.

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