11. Care and Maintenance
When batteries of different brands or types are used
together, or new and old batteries are used together,
some batteries may be over-discharged due to a
difference in voltage or capacity. This can result in
venting, leakage, and rupture and may cause personal
injury.
• Do not mix Alkaline, Lithium, standard, or
rechargeable batteries.
• Always purchase the correct size and grade of battery
most suitable for the intended use.
• Always replace the whole set of batteries at one time,
taking care not to mix old and new ones, or batteries of
different types.
• Clean the battery contacts and also those of the device
prior to battery installation.
• Ensure the batteries are installed correctly with regard
to polarity (+ and -).
• Remove batteries from products during periods of
non-use. Battery leakage can cause corrosion and
damage to this product.