I knew it was going to be a fragile little piece. All I can say for sure. He really likes leaving the Milwaukee batteries in place. Bought to use in my 18 volt DeWalt saws. which of course can and will experience a decent amount of vibration from time to time. As you might have guessed, the battery falls out almost every time. And I have 4 Milwaukee batteries available and it happens to everyone. DeWalt on 20v has not tried it yet
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