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Alighn Echo 2 unit with SKY battery sleeve and slite in Echo 2 unit until it is fully seated into SKY.
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Using your original Echo 2 charger, fully charge SKY until all four LEDs are illuminated on the front of the unit. Grab and go!
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1. Please add the use ambient temperature, the input and output of the specific parameters. 2. Do not install this equipment in a confined or building-in space such as a book case or similar unit, and remain a well ventilation conditions at open site.
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