Energy density, Wh and Ah
Compare energy on the same basis: electrical capacity, mass, volume and the level of assembly.
Read technical guideBATTERY TECHNICAL LIBRARY
Understand the cell.
Clarify the requirement.
Technical explanations, specification examples and a reference tool for cell and pack procurement discussions.
Wh/kg · C-rate · SOC · S/P
Open the parameter tool Seven connected topics
Read the principles, follow the conditions, and bring the relevant questions to the manufacturer or customer evaluation.
C-rate, current and pulse duration
Convert C to A, then check the allowed duration, voltage and thermal conditions.
Read technical guideCycle life and calendar ageing
Read cycle count with the endpoint, duty, temperature and time history.
Read technical guideTemperature and operating duty
Separate charging, discharge and storage limits, then describe the real load and cooling conditions.
Read technical guideSemi-solid batteries and electrolyte routes
Understand liquid, mixed and solid electrolyte concepts, and the questions behind a technology label.
Read technical guideCell and battery pack specifications
Understand ideal series/parallel arithmetic and the additional questions at pack level.
Read technical guideSafety tests and product documentation
Match each document to the actual cell or pack, its revision and the purpose of the evidence.
Read technical guidePROCUREMENT GUIDES
Documentation and samples
What to prepare for a cell RFQ
A useful enquiry describes the procurement requirement and leaves uncertain technical items open for clarification.
What to confirm when requesting samples
Clear sample records help the manufacturer and customer evaluate the intended product.
Make the next discussion specific.
Prepare your procurement object, application, quantity and key requirements. Unknown technical items can be confirmed during follow-up.