How long will the FL1500 Battery Backup last?

Document ID

Document ID TE10097

Published Date

Published Date 07/03/2018
How long will the FL1500 Battery Backup last?
FL1500 DC Battery Backup

The FL1500 draws 15 watts of power. 
If we want the unit to run for X hours, the math would be  15 watts * X hours = Total watt hours. Batteries are rated in amp-hours, so to calculate the amp-hours needed you would divide the Total watt-hours, by 12 volts to get the needed amp-hours.
The DC battery backup Hach ships is 7 amp-hours, this battery would power the logger for approximately 6 hrs.

Please note that these are estimates and actual battery life may vary.

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