Canon PowerShot SX10 IS User Manual page 247

Do not place the batteries near a heat source or expose it to
direct flame or heat.
The batteries should not be immersed in water or sea water.
Do not attempt to disassemble, alter or apply heat to the
batteries.
Avoid dropping or subjecting the batteries to severe impacts
that could damage the casing.
Use only recommended batteries and accessories.
Failure to follow these precautions may cause explosions or leaks,
resulting in fire, injury and damage to the surroundings. In the event
that a battery leaks and the eyes, mouth, skin or clothing contact these
substances, immediately flush with water and seek medical
assistance.
Never use damaged batteries or batteries whose outer seal is
completely or partially missing or peeled off, as there is risk
that such batteries may leak, overheat, or burst. Always check
the seals on store-bought batteries before loading them, as
some batteries may come with defective seals. Do not use
batteries with defective seals.
Never use batteries that look like this.
Batteries with all or part of the seal (electrical insulation
sheath) peeled off.
The positive electrode (plus terminal) is flat.
The negative terminal is correctly formed (protruding from
the metal base), but the seal does not extend up over the
edge of the metal base.
Battery
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