Battery voltage alone is not a reliable parameter for determining remaining
capacity and condition; it also does not indicate whether the battery will be
able to deliver power when placed under load. Rather than simply displaying a
voltage reading, cellchecker™ determines a battery’s remaining power capacity by
measuring its ability to maintain voltage levels while under load. The tester
then makes an assessment based on these readings and displays the remaining
percentage capacity of the battery.
Pulse load testers verify that a battery can deliver power by actually making
it deliver power. The duration and repetition of the load test cycle varies
depending on the battery type being tested. Factors that are considered when
determining the size and duration of the pulse load are battery design (high
rate or low rate), battery chemistry, and the battery’s typical application.
This helps ensure that the power demand on the battery during the pulse load
test will be comparable to what the battery experiences under normal operation