Battery strategy
Always leave the wireless switch in the off position. Also, when not in use and above 2 bars, leave in shut down mode. After it hits 2 bars leave it in sleep mode. If you leave it in shut down mode after 2 bars it may not be able to turn on without first charging.
Using the 900 and the 505 this way, my 505 lasts 49 days after 2 years since purchase. My 900 lasted 14 days after initial purchase and now has gone 20 days and still has 3 bars left.
Always recharge when down to one bar.
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