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Warranty and Reordering Information
We guarantee that the ProDSS battery pack will be free from defects in materials and workmanship at the date of
purchase for up to one year. Replacement decisions are at the sole discretion of YSI. This does not cover cosmetic
damage or damage due to accident, misuse, abuse, negligence, commercial use, or modification of or to any part of
the battery. YSI does not inspect or repair batteries. Do not ship batteries to YSI unless instructed to do otherwise.
A replacement battery (item #626846) can be ordered by calling (937) 767-7241 or our toll free number at 800-765-
4974 and speaking with Customer Service or by sending an email to orders@ysi.com
Battery Replacement
Note: New instruments come with a pre-installed battery. Perform the following procedure when replacing the battery.
1. Remove battery cover
The battery cover is located on the back of the ProDSS. To remove the battery
cover, unscrew (counter-clockwise) the four screws.
Note: The battery cover screws are captive and cannot be removed.
2. Remove old Li-Ion battery pack and gasket/cradle
With two fingers, grasp the black connector that connects the battery to the
instrument. Pull the connector straight up to disconnect. Once disconnected,
remove the battery pack and the battery gasket/cradle.
A new gasket/cradle is included with each battery pack and should replace
the old gasket/cradle to prevent water leaking into the instrument casing.
3. Insert new Li-Ion battery pack and gasket/cradle
Inspect the new battery pack and battery gasket/cradle for damage. Please
contact YSI customer service if the new battery pack and/or replacement
gasket is damaged.
Carefully insert the new gasket and ensure it is seated properly. Align the
battery pack connector wire terminals with the three instrument pins, then
connect the battery pack to the instrument.
4. Replace battery cover
Ensure the battery gasket/cradle is properly seated and carefully reinstall the
battery cover.
!
CAUTION: Do not over-tighten the cover screws. This may cause damage
to the instrument and/or cover which may allow water to leak into the
battery compartment.
Charging the instrument after replacing the battery is not required. New
batteries are shipped at less than 50% full capacity. To charge the instrument,
use the AC power adapter, a computer USB port, or an external USB battery
pack. Always charge the instrument in an open area away from flammable
materials, liquids and surfaces. DO NOT charge or handle batteries that are
hot to the touch.
YSI.com
item# 626979REF dwg# 626979
July 2016 Rev B
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