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Introduction > Cautions regarding product handling
Cautions regarding product handling
Please read the "Safety Brochure" included with this product, and use caution regarding the following
points.
About the charging performance
This product features built-in lithium-ion batteries. Lithium-ion batteries are consumable items. To extend
the life of the batteries as long as possible, use caution regarding the following.
If the product is not used for a long period of time, it may take longer to recharge the batteries.
(
When storing the product for a long time, charge the product around once every six months to avoid
(
excessive discharge.
If the duration of the battery's charge is too short, it may have reached the end of its lifespan. Contact a
(
Yamaha repair consulting center.
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