The Sony SRF-18 AM/FM Stereo Pocket Radio is powered either by alkaline, lithium, or rechargeable AA batteries that are difficult to deplete. It is a rare event when the Sony SRF-18 AM/FM Speaker Dock Pocket Radios AA batteries need to be replaced. There is no definitive answer as to the actual length of time that the AA batteries will last. The battery life specifications provided by Sony in the user manual (80 hours | JEITA Measurement Standard) are only approximate, are only offered under perfect factory operating conditions, and are only accurate if you use Sony SUM-3 NS AA batteries that are manufactured in Japan. The required AA batteries are not included with the Sony Speaker Dock Portable Radio. Your Sony SRF-18 MP3 Speaker Dock Radio will have different battery life results because it is not likely to be used exclusively at the Sony factory. Battery life will also vary by battery manufacturer and battery chemistry. Of course, the longer the duration the Sony SRF-18 AM/FM Portable Radio is powered on, and as the volume level increases during a playback session, battery life will be shortened accordingly. Proceed with caution. Stay away from cheap no name label alkaline, manganese, carbon-zinc, or rechargeable AA batteries. Unknown brand supermarket, local pharmacy, or dollar store AA batteries are inferior, last a very short time span, and have a tendency to leak in the battery compartment. Make sure to never mix old and new batteries, different battery types, different battery voltages, and different battery brands. Do not mix and match different types of 1.5V lithium AA batteries even if they are from the same manufacturer. Remove the AA alkaline batteries from the battery compartment if the Sony SRF-18 Portable Radio is not going to be used for an extended period of time (30 days or more) to avoid damage from battery leakage issues. Lithium AA batteries feature a leak-resistant construction and may be more suitable for long-term storage inside the battery compartment in extreme temperatures when compared to standard alkaline AA batteries. The AA batteries should be replaced when the Red TUNE LED indicator becomes faint, the pocket radio consistently outputs subpar sound, or no sound at all. When purchasing AA batteries for this unit, it is a good idea to check the date on the package. A fresh set of AA alkaline batteries should have a best if used by date of at least 6 or 7 years ahead of the date of purchase. Duracell Coppertop DURALOCK Power Preserve Technology, Duracell Ultra Power DURALOCK Power Preserve Technology, and Energizer Max Power Seal Technology AA alkaline batteries are guaranteed fresh by the manufacturer in the product packaging for up to 10 years from the current date of purchase. Energizer Advanced Lithium AA batteries can hold power for up to 10 years in the product packaging from the current date of purchase. Energizer Ultimate Lithium AA batteries can hold their charge up to 15 years ahead of the current date of purchase. Battery life is determined by many factors and that is why individual results vary. Such factors include the type of music being played, the volume level being used, the length of time the pocket radio is powered on, and ambient room or outdoor temperature. Battery longevity will be decreased if the Speaker Dock is powered by AA alkaline batteries in extremely cold temperatures. You should always have a spare set of national name brand AA batteries nearby in case audio performance deteriorates in the middle of your favorite song. Energizer Lithium AA batteries are approximately 33% lighter in weight when compared to standard alkaline AA batteries. Thus, the total system weight of the Sony SRF-18 Speaker Dock Portable Radio will be affected by the type of AA batteries used in the battery compartment.
Posted on: Sat, 19 Oct 2013 01:26:45 +0000
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