SKC 224-PCXR4 Universal Pump - Manual (Page 21)

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Use of a repaired or rebuilt battery pack voids any warranty and
the UL Listing for intrinsic safety.
Do not charge or operate the pump from the charger in hazardous
locations!
Use only an SKC-approved charger and battery pack designed for the
Universal Sample Pump to ensure reliable performance. Failure to do
so voids any warranty and UL Listing for intrinsic safety.
Use of any device other than the approved battery pack to power the
pump voids the UL Listing for intrinsic safety and any warranty.
Pump Service
Pumps under warranty should be sent to SKC Inc. for servicing.
See Limited Warranty and Return Policy, page 25.