ASOL is a cylindrical lithium cell supplier providing 18650 and 21700 lithium-ion cells, as well as customized cylindrical battery packs, for equipment manufacturers, pack builders and OEM/ODM projects worldwide.
Table of Contents
1. Why Cylindrical Cells
Cylindrical cells are the workhorse of the lithium industry: mechanically robust, easy to cool, highly consistent and available in proven 18650/21700 formats. They are ideal for high-volume packs where reliability and energy density matter.
2. Cell Formats We Supply
- 18650 Li-ion cells — a widely used format for compact and flexible multi-cell battery pack designs
- 21700 Li-ion cells — a larger cylindrical format offering higher capacity per cell for suitable applications
3. Cells & Assembled Packs
ASOL supplies individual 18650 and 21700 lithium-ion cells and can also develop customized cylindrical battery packs according to project requirements. Battery pack options may include series-parallel configuration, BMS or PCM, wiring, connectors, insulation, enclosure and labeling. Browse our cylindrical battery pack products.
4. OEM/ODM for Pack Builders
- Cell selection according to voltage, capacity and discharge requirements
- Customized series-parallel battery pack configuration
- BMS or PCM matching
- Customized connectors, wiring, enclosure and labeling
- Sample development and testing according to project requirements
5. Applications
- tools and cordless equipment
- E-bikes, scooters and light EVs
- Solar lighting equipment and portable electronic battery packs
- Consumer electronics and instruments
6. Quality & Certifications
Testing and documentation requirements are confirmed according to the selected cell model, finished battery pack configuration and destination market. Available documentation, including UN38.3 and RoHS where applicable, should be confirmed before quotation and ordering.
Frequently Asked Questions
What cylindrical cell formats does ASOL supply?
ASOL supplies 18650 and 21700 lithium-ion cells and can develop customized cylindrical battery packs according to project requirements.
Do you sell loose cells or only finished packs?
ASOL supplies individual 18650 and 21700 lithium-ion cells and can develop customized cylindrical battery packs according to project requirements.
Can you match and grade cells for consistent packs?
ASOL can review cell selection and battery pack configuration according to the required voltage, capacity, discharge current and application. Final specifications are confirmed before quotation.
What certifications apply to the cells and packs?
Applicable test reports and compliance documents depend on the selected cell model, finished battery pack configuration and destination market. Please provide your product requirements and target market so the available documentation can be confirmed before quotation.
What is the MOQ and lead time?
MOQ and lead time depend on the cell type and order size. Contact us with your format, quantity and target spec for exact figures.
How do I request a quote or datasheet?
Email info@asolbattery.com or WhatsApp +86 15779858703 with the cell format and quantity you need. We typically reply within 24 hours on working days.
Contact ASOL Battery
Need 18650 or 21700 lithium-ion cells or a customized cylindrical battery pack?
Share your required cell format, voltage, capacity, discharge current, battery dimensions, application and estimated quantity with ASOL Battery.
Email: info@asolbattery.com
WhatsApp: +86 157 7985 8703
