Crystal XP2i 2nd Generation - Manual (Page 16)

Specifications  14
XP2i Operation Manual
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PoWer
Batteries . . . . . . . . . . . . . . . . . . . . . . . . Three size AA (LR6) batteries.
!
WARNING: do not remove or change the batteries in hazardous locations.
Approved batteries - The XP2i is Intrinsically Safe only if powered by one of the following battery types:
Rayovac® Maximum Plus™ | Energizer® E91 * | Energizer® EN91 * | Duracell® MN1500.
* Energizer is manufactured by Energizer Holdings, Inc., and the Eveready Battery Company, Inc.
Many other battery types and models have been tested but failed to meet the requirements for Intrinsic Safety—do not assume other models are equivalent.
The XP2i can be operated from an external power supply (AC adapter kit PN: 2984).
!
WARNING: do not use the ac adapter kit in hazardous locations.
Battery Life . . . . . . . . . . . . . . . . . . . . . 1500 hours typical (alkaline battery).
Low Battery Indicator . . . . . . . . . . . Battery Icon ( )
dead Battery Indication . . . . . . . . . “batt”