How Many Cells Are Needed for a 48V Battery Pack?
Learn how series and parallel cell counts determine voltage, capacity and energy in nominal 48V lithium-ion and 51.2V LiFePO4 battery packs.
Read guide →Battery knowledge
Technical guides for battery selection and system design
Practical guidance on LiFePO4 batteries, 18650 and 21700 cells, DIY battery packs, safety and EU delivery planning.
LiFePO4 vs Lithium-ion Batteries for Energy Storage
Compare LiFePO4 and common lithium-ion chemistries for stationary storage, mobile power and battery-pack design.
Read guide →How to Choose a 21700 Battery Cell for Your Battery Pack
Use this specification checklist to compare 21700 cells for e-bikes, power tools, mobility and energy-storage battery packs.
Read guide →18650 vs 21700 Battery Cells: Size, Capacity and Use Cases
A practical comparison of 18650 and 21700 lithium-ion cells covering dimensions, capacity, current capability, pack design and common applications.
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