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

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Advantage Of 12v Lithium Ion 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.

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, EVE 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

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.