Any DIY instructions on creating your own Phantom 4 battery charging adapter?

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What are you trying to adapt it too? A Phantom 4 battery charger costs about $55 and is designed for that battery. Well worth the investment to not burn down one's house. If you've never seen how intensely a LiPO battery burns when accidentally overcharged, check out the many YouTube videos out there. My advice would be DDIY.
 
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From memory 4 Centre contacts B+, two either side (four total) B-.

You should have no trouble finding pin-out details on line -or- simply turn on and probe with DMM.
 
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Hopefully similar to this. Powerextra [Upgrade Grounded] Phantom 4 Series 4 in 1 Intelligent Rapid Multi Battery Charger Hub (Charge 3 Batteries & Remote Controller) for DJI Phantom 4/4 Advanced/4 Pro V2.0/ 4 Pro Plus Obsidian Amazon.com: Powerextra [Upgrade Grounded] Phantom 4 Series 4 in 1 Intelligent Rapid Multi Battery Charger Hub (Charge 3 Batteries & Remote Controller) for DJI Phantom 4/4 Advanced/4 Pro V2.0/ 4 Pro Plus Obsidian: Toys & Games
What do you think you might build for $40

These ones Go OK.
 
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If you replace with an adapter with higher amps they charge sequentially. Would that be fine as long as i do my best at disconnecting batteries as soon as they are charged?
 
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If you replace with an adapter with higher amps they charge sequentially. Would that be fine as long as i do my best at disconnecting batteries as soon as they are charged?
They disconnect themselves when the charge cycle completes (turn off). They won't charge at a higher than 1C rate no matter how much current is available from the supply.
 
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Seems like I was able to do it with my phantom 3. I would see all three batteries blinking during the charge and the charging would be done in something under two hours from what I recall.
 
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Seems like I was able to do it with my phantom 3. I would see all three batteries blinking during the charge and the charging would be done in something under two hours from what I recall.
Do what? If all P3 batts were charging in parallel then you would expect them to charge in under 2 hours. You can expect to do the same with the P4 also. And there is no reason you need to disconnect the packs at charge completion.
 

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