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Step 1. To replace the battery, remove the four screws from
the back of the monitor.
Step 2. Remove the back cover.
Step 3. Gently pull the ribbon to remove the battery from the
monitor.
Step 4. Install a Lithium battery (Voltage: 3.6V, Capacity:
1.65AH, Size: 2/3AA, P/N: 500-0076-100).
Important! Use only RAE Systems batteries.
Use of non-RAE Systems components will void
the warranty and can compromise the safe
performance of this product.
Make sure the ribbon rests underneath the battery.
Note the polarity of the battery.
Step 5. Reattach the back cover and tighten the screws.
Step 6. Calibrate and test your ToxiRAE II.
Ribbon
Back cover
Battery polarity: