finish post (refs #15)
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This commit was merged in pull request #16.
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categories = ["build"]
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tags = ["electronics","hoverboard"]
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date = 2025-08-07T08:00:00-05:00
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date = 2025-08-10T11:00:00-05:00
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description = ""
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draft = false
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slug = "hoverboard-battery-replacement"
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slug = "hoverboard-battery-salvage-replacement"
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title = "🪫 Hoverboard Battery Salvage, Replacement"
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author = "nicholas"
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@@ -20,9 +20,24 @@ I open up the electronics enclosure to expose the wiring to confirm my suspicion
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The battery pack was reading ~ 30 V, far too low to be caused by an otherwise functional but depleted battery. Bad news, the whole pack will need to be replaced (I *could* replace the offending batteries with working ones, but this would require an effort beyond what I can justify to myself).
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{{< image
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src="images/hoverboard-inside.JPG"
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caption="Inside the hoverboard" >}}
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## ♻️ Salvage and Scrap 🗑️
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Presumably, I thought, some of the batteries in the pack would still be functional and may yet have a purpose, so I carefully broke them out of their assembly for testing. All but 4 were usable. Two were totally dead, giving voltage readings of ~ 2 V, and another two had a layer of oxidized metal at the terminals, but gave otherwise normal voltage readings. I disposed of all four, leaving me with **six (6)!🙂** working batteries.
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{{< image
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src="images/salvaged-batteries.JPG"
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caption="Salvaged 18650 batteries" >}}
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These batteries are not especially good quality. In fact, they are dirt cheap, low capacity (2000 mAh) and it is no mystery that they died. I don't care, I'll keep using this garbage anyway. My flashlights use 18650 batteries, and it will be good to have them around. I discharge them to storage voltages, record it in my battery management spreadsheet, and say goodbye for now.
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## 🔄 Replacement
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I was intending on buying a replacement **battery pack** but I was instead gifted an **entirely functional replacement hoverboard**, at a price I am told was less than the price of a new battery pack alone due to strange shipping prices for batteries. Many such cases.
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{{< image
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src="images/hoverboard-new.JPG"
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caption="Replacement hoverboard" >}}
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🔋 Done.
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