News, Tips, Updates/Blog

Samsung SDI’s 40T, 45T, and 50S cells are among the most trusted in the eBike industry. This guide breaks down real specs, performance differences, and which cell is best for your battery build.

Ampace, backed by CATL and ATL, is pushing lithium-ion technology forward with its JP40 and JP50 cells. This guide breaks down real specs, performance data, and how these next-gen cells impact eBike battery design.

Not all eBike batteries perform the same—and the difference comes down to the cells inside. In this guide, we compare top 21700 battery cells from Molicel, Samsung, Ampace, LG, and more, breaking down real-world performance, power output, and range so you can choose the right battery for your ride.

#1 King of Cold Weather Power — Molicel P45B Best for: deep cold, steep hills, high current pulls Why it wins: very low sag, strong usable capacity retention in cold, proven performance focus. #2 High-Energy Performer — Molicel P50B Best for: winter range + strong power Why it’s elite: excellent voltage stability as temps drop, higher energy while staying performance-capable. #3 All-Weather High Power — Reliance RS50 Best for: daily commuters and heavy bikes needing conf

Learn how to protect your eBike battery during winter. Prevent corrosion, avoid cold charging damage, and maintain peak performance with Bicycle Motor Works’ expert guide.