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High-Capacity Battery Installation #9003BAT Press On/Off switch at back of unit to power off the unit. Unplug power adapter socket from the back of the unit. Remove both screws with a Philips screw driver. Slide out back cover. Remove the existing battery power pack.
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Charge battery until re- charge indicator on main unit turns green. Download full manual at www.adctoday.com/esphyg3 American Diagnostic Corporation 55 Commerce Drive Hauppauge, NY 11788 USA 1-800-ADC-2670 www.adctoday.com IFU p/n: 93-9003BAT-00 rev 0 (09/23/2021)