Buyer guides
Technical guidance for distributors, pack builders and project buyers sourcing cylindrical lithium cells.
Jun 10, 2026
NCM vs LiFePO4: Which Cell Chemistry Should You Choose?
How NCM and LiFePO4 cylindrical cells compare on energy density, cycle life, safety, temperature and cost — and which fits your application.
Read →Jun 8, 2026
How to Read a Cylindrical Cell Model Number
Decode cylindrical lithium cell model numbers — chemistry prefix, form factor, capacity and the type suffix (D / E / P / PL / M).
Read →Jun 5, 2026
How to Choose Lithium Cells for Energy Storage (ESS)
A buyer's guide to selecting cylindrical cells for solar, backup and off-grid energy storage — chemistry, format, cycle life and matching.
Read →Jun 3, 2026
C-Rate, Capacity and Cycle Life: A Buyer's Glossary
Plain-English definitions of the cell specs that matter most — capacity, C-rate, energy, cycle life, depth of discharge and internal resistance.
Read →May 1, 2026
18650 vs 21700: Which Cylindrical Cell Should You Choose?
A practical comparison of the 18650, 21650 and 21700 formats — energy, power, pack cost and which to pick for your application.
Read →Feb 1, 2026
Lithium Battery Shipping Documents Explained
UN38.3, MSDS/SDS and the export paperwork buyers should expect from a compliant battery supplier.
Read →Jan 15, 2026
LiFePO4 vs Lead-Acid: A Buyer's Comparison
How LiFePO4 compares to lead-acid on cycle life, usable capacity, weight and total cost of ownership.
Read →