23Battery• At the moment you have just bought the product, the battery, which is notfully charged, may be under the effect of its protection function. (Be carefulthat the product may start operating if switches are operated.) Prior to use,correctly charge the battery using a specified quick charger.• When the product is not used, cap the battery with the cover to protectit from water and dust. When the product is not used, store it with thebattery removed.For long battery life• After the battery change mark is turned on, stop using the battery, andcharge it.• Do not recharge the battery when fully charged.• Charge the battery in the ambient temperature range of 10°C–40°C(50°F–104°F).• When the battery is hot, such as when it has just used, we recommendthat it be cooled down in the charger and then charged after cooled.• When the lithium ion battery is not used for a long time (6 months ormore), we recommend that you charge it prior to storage.Battery