Established supply channels
Ask about model availability, lot identification and the documents needed for your order.
BK ENERGYLG Energy Solution factory exterior
We have well-established supply channels for Korean-brand lithium cells, including LG, Samsung SDI and SK On.
01CELL PORTFOLIO
Start with the cell format, then compare model-specific specifications and sourcing options.

Compact cylindrical cells for your next battery pack.
Explore series
Compare model-specific energy and operating limits.
Explore series
Explore larger cylindrical cell formats.
Explore series

LG and SK On cells for custom module layouts.
Explore seriesCylindrical and pouch formats. Model-specific documentation.
Browse all 44 models ↗Ask about model availability, lot identification and the documents needed for your order.
Compare 18650, 21700, 46-series and pouch cells in one catalog.
Send your load profile, enclosure limits and annual demand to start a useful discussion.
We guarantee authentic cells. If any supplied cell is proven counterfeit, we compensate ten times its purchase price.
02APPLICATION REVIEW
Explore battery applications across industrial drones, cordless tools, electric mobility and medical equipment.
01For surveying and inspection drones, discuss flight time, peak load and pack weight before choosing a cell.
Explore drone applications
02Compare power tool and robotic lawn mower battery cells against motor loads, charging time and outdoor operating conditions.
Review application notes
03Review LG cells for e-bike and electric motorcycle pack development, starting with range, current demand and available space.
Explore cell models
04For portable medical equipment, share the runtime target and device approval requirements so the cell and documentation can be reviewed together.
Discuss your requirementsWorkshop and e-bike photographs: Unsplash / Max Berger. Electric motorcycle: Zero Motorcycles / Wikimedia Commons, attribution license, original file unchanged. Application photographs illustrate use cases, not confirmed OEM supply relationships. Medical equipment image: AI-generated application illustration.
03TECHNICAL DOCUMENTATION
Review selected safety and conformity documents for LG MJ1 and M52VT cells, including CB certificates, UL project documentation, a PSE conformity document and a UN 38.3 transport test summary.
Each document applies to named models. Check the model and revision against the cells on your quotation.
INR21700M52VT · 2024-08-29
DK-149298-A1-UL
ICR18650MJ1 / INR18650MJ1 · 2021-06-15
DK-75084-A3-UL
M52V / M52VT · 2024-10-11
Notice of Completion · MH63736
INR21700M52VT · 2023-12-08
Transport test summary
INR18650MJ1 · 2024-04-01
Certificate of Conformity
INR21700M52VT · Issued 2025-05-15
2025010915778718
These documents identify the named LG cells and manufacturers. They are not BK Energy agency certificates or certification of every model in our catalog. Contact us to confirm the current document revision and applicability to your order.
04YOUR SOURCING PARTNER
We support battery pack integrators, electric mobility businesses and industrial customers with LG cylindrical and pouch cell sourcing.
Share the model you need, your delivery schedule and the destination. We will work through the technical documents and order details with you.
Meet BK Energy


Illustrative production imagery, not photographs of a BK Energy-owned factory.
05BATTERY INSIGHTS

LG’s announced Tesla ESS collaboration puts local production and system integration at the center of the battery supply story.
Read article
A look at LG’s larger cylindrical formats and the announced projects behind them.
Read article
What a cell test report tells you, which model it covers and what still needs to be checked at pack level.
Read articleLET’S TALK ABOUT YOUR PROJECT