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Large Capacity 12V 300Ah Lithium Battery For Solar And Power Back-Up

Basic Information
Place of Origin: China
Brand Name: Gtech
Certification: CE/UN38.3
Model Number: LK 12.8-300
Minimum Order Quantity: 2 PCS
Price: Negotiation
Packaging Details: Standard Export Battery Package
Delivery Time: Sample: 5 days; Qty order: 20 days
Payment Terms: L/C, T/T
Supply Ability: 300 PCS per day
Detail Information

Large Capacity 12V 300Ah Lithium Battery


12V 300Ah Lithium Battery for Solar

Product Description

Gtech LK Series Lithium Batteries with the characteristics of long lifespan, high safety, easy maintenance and eco-friendly.





The LK series 12V LiFePO4 lithium battery is a high-quality energy solution that offers a range of benefits over traditional lead-acid batteries. With a long lifespan, high safety and eco-friendly design, LK series lithium batteries are an ideal choice for power backup and solar applications.


One of the key advantages of the LK series lithium battery is its long lifespan. Unlike traditional lead-acid batteries, which typically last for only a few years, LK series batteries can last for up to ten years or more. This makes them a highly cost-effective solution, as they require less frequent replacement and maintenance. In addition to their long lifespan, LK series lithium batteries are also highly safe and eco-friendly. They are non-toxic and non-hazardous, and are free from harmful chemicals such as lead and mercury. This makes them a great choice for environmentally conscious consumers who want to reduce their carbon footprint.


Overall, the LK series 12V LiFePO4 lithium battery is an excellent energy solution for anyone looking for a reliable and sustainable source of power. With its long lifespan, high safety and eco-friendly design, it is the perfect choice for power backup such as solar, UPS, wind and light electric vehicles applications. So why not switch to an LK series lithium battery today? You won’t be disappointed!





Grade A lithium cells from top manufacturers

Smart BMS with automatic cells equalization

Maxium discharge current 300A

Humanized visual experience from bluetooth APP

Compact ABS case material with good strength

All safety protections with rest-assured operation

Support multi batteries connection

Drop-in replacement for original SLA size

3~4 times more life cycle than traditional battery

Eco-friendly battery in harmony with human future

Self-owned factory with reliable quality and direct price

OEM/ODM welcome





Model LK12.8-300
Nominal Voltage 12.8V
Norminal Capacity@0.2C 300Ah
Energy(Wh)3840 3840Wh
Cycle Life 2500 full cycles @ 0.5C 80%DOD
Months Self Discharge ≤3.5% per month
Charge Voltage 14.4V± 0.2
Charge Mode CC/CV
Recommended Charge Current 50A
Max Continuous Discharge Current 300A
Discharge Cut-off Voltage 10V
Charge Temperature 0℃~60℃
Discharge Temperature -20℃~60℃
Storage Temperature 0℃~45℃
Water Dust Resistance IP65
Dimension(L*W*H) mm 520*269*220
Appx Weight (Kg)  26Kg
Terminal M8




Why Choose Us:


ISO9001, ISO 14001, ISO45001 accredited factory

Professional sales, R&D team and qualified workers

Fast response, timely delivery, reliable products and Factory direct price

Strict quality control from IQC, assembly, process and electric performance tests

Our batteries certified with UN 38.3, UL, CE, IEC, CTL, ROHS





Large Capacity 12V 300Ah Lithium Battery For Solar And Power Back-Up 0




Our Factory:




Large Capacity 12V 300Ah Lithium Battery For Solar And Power Back-Up 1



About G-TECH Group:


G-Tech power Group was established in 2012. After more than 10 years of development, it has become a high-quality professional manufacturer that also can provide complete power supply system solution. We specialize in developing, manufacturing and operating the most reliable and safe UPS, Inverter and battery products. Our products have been exported to more than 100 countries around the world, winning a high reputation in domestic and overseas markets. With the continuous development of new energy technology, we invested a new factory named Guangdong Lanke New Energy Co., Ltd., which adopted the completely automatic product line, focusing on the R&D, manufacturing and sales of lithium iron phosphate (LiFePO4) pack, providing safer, smarter and simpler batteries energy storage system, and adhering to the management philosophy of safety first, product quality and environmental protection as the center. Our factory (Lanke New Energy) is located in Dongguan City, Guangdong Province, China, known as the "World Factory" with convenient transportation and developed supporting industries, covering an area of 10,000 square meters. There are more than 500 employees, including more than 50 intermediate and senior technical Engineers. We have advanced automated module production lines for manufacturing batteries and assembling all-in-one ESS for residential and commercial energy storage solutions. In order to provide more efficient and cost-effective lithium energy storage products to meet customers' expanding power needs and high-quality requirements,


Our factory has passed ISO 14001, ISO 9001, ISO45001 and other certifications, and has obtained multiple product invention practical patents. With fully automatic equipment and excellent quality control, we guarantee customer satisfaction in all stages of production. We warmly welcome friends from all over the world to discuss and negotiate with us and establish mutually beneficial and win-win friendly cooperative relations!





Contact: Peter Wang

Mobile: +86 15290289627(whatsapp)



Contact Details

Phone Number : +8613670034249

WhatsApp : +8615899791624