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need battery advice
701 9 2016-12-30
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luke007
lvl.3
Switzerland
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i cherged my 6 batteries during night cause i wanted to do some flying today. now the weather has turned really bad, so no flying today. for how long can i leave them fully charged without risking damage? thank you
2016-12-30
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DJI Natalia
Super Moderator
Flight distance : 318 ft

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Here is a tutorial for battery use and maintenance, hope it helps:
2016-12-30
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luke007
lvl.3
Switzerland
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thank you natalia, unfortunately it does not say for how long you can leave the fully charged. does anybody know more about this?
2016-12-30
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hallmark007
Captain
Flight distance : 6038822 ft
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Ireland
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luke007 Posted at 2016-12-30 05:12
thank you natalia, unfortunately it does not say for how long you can leave the fully charged. does anybody know more about this?

You can set them to discharge in the app usually 10 days, so I presume that's a safe option.
Or you could just run them playing with the simulator.
2016-12-30
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luke007
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Switzerland
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hallmark007 Posted at 2016-12-30 05:27
You can set them to discharge in the app usually 10 days, so I presume that's a safe option.
Or you could just run them playing with the simulator.

that exactly is what confuses me. For LiPo you usually get the advise not to leave them fully charged for longer than 24h... might be a rumour?
2016-12-30
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hallmark007
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luke007 Posted at 2016-12-30 05:40
that exactly is what confuses me. For LiPo you usually get the advise not to leave them fully charged for longer than 24h... might be a rumour?

Well only info I can give you on that is that is the system I used with my P4 batteries for the last 10 months and they are still working perfectly, using them now with my P4Pro.
2016-12-30
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SPIKE_151
First Officer
Flight distance : 69767 ft
United Kingdom
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It clearly states in the video @ 2:50 seconds that you should discharge the battery after 3 months, and charge every 3 months if not used. If it were not safe or damaged the battery to leave it charged for a shorter period than that, DJI would have erred on the side of caution and put either , discharge every 10 days in the video.  
2016-12-30
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luke007
lvl.3
Switzerland
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thx hallmark, ill give it a go. spike, sure it states what you say, but it does not state what % charge to store it for 3 months. however i found this in another rc forum:


"For optimum battery life, store your RC LiPo batteries at room temperature and at about 40-60% charged. That equates to around 3.85 volts per cell (open terminal resting voltage).
2016-12-30
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carkev
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United Kingdom
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luke007 Posted at 2016-12-30 06:36
thx hallmark, ill give it a go. spike, sure it states what you say, but it does not state what % charge to store it for 3 months. however i found this in another rc forum:

I could never afford, nor justify buying 6 extra batteries as the OP has done - they would cost more than the drone itself!
would not a car DC to AC adaptor not be a far better option? one could then charge whilst taking a break, or whilst driving to a new location

2016-12-30
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luke007
lvl.3
Switzerland
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you dont need to justify anything and neither do i or anybody else. if i want / need 6 or even 3000 batteries, why would you care? please reread my question. i did not ask for moral advice or car -harging-solutions and their advantages.

2016-12-30
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