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phantom 4 battery fully charged but not powering up the drone
1111 10 2018-7-1
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rwondga
lvl.1

Canada
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the battery was working fine, is fully charged with 4 lights but when turned on in the drone it will not power up the drone
2018-7-1
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DJI Gamora
Super Moderator

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Hi thanks for reaching DJI Forum, apologies for any troubles you had with your DJI Phantom 4. May I ask if you crashed your aircraft somehow or did a hard landing?
2018-7-1
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Aardvark
Captain
Flight distance : 384432 ft
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You say 'was', if it's a while since you've flown then are you using the correct power up procedure, one quick click followed immediately by a click and hold for 2 seconds or so on the power switch ?
2018-7-1
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fans75c75fe7
New
Flight distance : 4255 ft
Malta
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DJI Gamora Posted at 2018-7-1 09:38
Hi thanks for reaching DJI Forum, apologies for any troubles you had with your DJI Phantom 4. May I ask if you crashed your aircraft somehow or did a hard landing?

HI, I have the same problem mentioned above. One of the batteries is showing as full but does not turn on the Drone.  All is ok when i insert another battery. The battery was used for not more than 10 Flights and drone was never crashed or hard landed. What is the problem please?
2018-7-23
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Mark The Droner
Captain
Flight distance : 2917 ft
United States
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I would clean the battery data tabs on the problem battery.  Isopropyl alcohol, contact cleaner, or deoxit and a q-tip.  
2018-7-23
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DJI Gamora
Super Moderator

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fans75c75fe7 Posted at 2018-7-23 14:26
HI, I have the same problem mentioned above. One of the batteries is showing as full but does not turn on the Drone.  All is ok when i insert another battery. The battery was used for not more than 10 Flights and drone was never crashed or hard landed. What is the problem please?

Hi, sorry for the troubles. Is this a separate battery purchased? May I ask when was the last update you performed on your aircraft? We're here to help so don't hesitate to reach us. Thank you.
2018-7-26
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djiuser_JInGPKm7Eu1a
lvl.1
Flight distance : 120233 ft

Brazil
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I'm having the same problem, the battery is fully charged, but it will not turn on the drone.
5-27 03:22
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Aardvark
Captain
Flight distance : 384432 ft
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United Kingdom
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djiuser_JInGPKm7Eu1a Posted at 5-27 03:22
I'm having the same problem, the battery is fully charged, but it will not turn on the drone.

are you using the correct power up procedure, one quick click followed immediately by a click and hold for 2 seconds or so on the power switch ?
5-27 14:08
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djiuser_DXeMFN40PuLo
New

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dji, why haven't you found a solution or post an answer to this question?
9-18 10:04
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Geebax
Captain
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djiuser_DXeMFN40PuLo Posted at 9-18 10:04
dji, why haven't you found a solution or post an answer to this question?

Because as yet, we do not know if there actually was a problem. None of the people complaining bothered to answer the questions. Probably too embarrassed to admit they had forgotten how to switch the drone on.
9-18 15:11
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Tim1985
lvl.2
Flight distance : 32641 ft
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Hello, I am having the same problem except if I leave the battery on the P4S powered on for a few minutes , it activates the drone and has 100% battery health.
10-8 15:26
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