Unitek Blog

Generic illustration, not a photograph of any product.
Generic illustration, not a photograph of any product.

This blog gathers buyer-question guides for the battery families on this site. Each article sets out the questions to ask before ordering, rather than publishing a new specification. The answers to those questions belong in the datasheet of a named model and in the supplier's written reply to an inquiry.

Three guides are published here. One covers CR coin cells for key fobs and backup power. One compares the 18650 and 21700 formats for pack buyers at family level. One covers storage choices between the lead-acid and LiFePO4 families, whose listings were re-checked against the live site, with different standing for each family. Start with the guide that matches the question, and carry its questions into the inquiry form.

What to confirm before ordering

Which family fits the question? Which listed name, if any, is in question? What documentation is available on request? What are the ordering steps for the named item?

Wholesale inquiry