Buyer guides
Selection guides written from manufacturer data, for engineers and purchasing teams.
314Ah vs 280Ah LFP cells: which to choose for energy storage
MB31 (314Ah) and LF280K (280Ah) share the same can size. Here is what the extra 34Ah means for pack energy, weight and cycle life.
Read guide →18650 vs 21700 cells for cordless power tools
How 18650 and 21700 cells compare on capacity, current and pack size, using EVE's 20P, 25P, 40P and 50E datasheets.
Read guide →Li-SOCl₂ vs Li-MnO₂: choosing a primary battery for meters and IoT
When to use an ER (Li-SOCl₂) cell, a CR (Li-MnO₂) cell or an ER+SPC hybrid in meters, trackers and sensors.
Read guide →Next step
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