Ametek 420VA Manual page 23

Risk of Energy Hazard, 12V, maximum 8.5 Ampere-hour batteries.
Before replacing batteries, remove conductive jewelry such as chains,
wrist watches, and rings. High energy through conductive materials
could cause severe burns.
Do not dispose of batteries in a fire. The batteries may explode.
Do not open or mutilate batteries. Released material is harmful to the
skin and eyes. It may be toxic. A battery can present a risk of electrical
shock and high short circuit current. The following precautions should
be observed when working with batteries:
• Remove watches, rings or other metal objects.
• Use tools with insulated handles.
• Wear rubber gloves and boots.
• Do not lay tools or metal parts on top of batteries.
• Disconnect the charging source prior to connecting or
disconnecting battery terminals.
• Determine if battery is inadvertently grounded. If inadvertently
grounded remove source from ground. Contact with any part of
grounded battery can result in electrical shock.
NOTE:
If you have read and understood the cautions preceding this
section, you may proceed with the following steps. Consult the
figure on page 16 to assist you in the following battery replacement
procedure.
A01-00055 Rev G
CAUTION
CAUTION
CAUTION
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