Showing posts with label Swiftlet's house problem:- no electrical supply.. Show all posts
Showing posts with label Swiftlet's house problem:- no electrical supply.. Show all posts
Saturday, October 3, 2009
SWIFTLET'S HOUSE PROBLEM 3
This amplifier can use with 12v battery. The battery can be used 12 hours a day and it can work for about a week.
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