How to check how much energy is left in a battery?
Everyone: Measure the open-circuit voltage. Monitor discharge current over time and compare it with the calibration curve.
Flooded lead-acid users: Just open the cell and see how much unreacted materials is physically still there. Be careful not to spill the sulfuric acid.
niconiconi /
npub1ym…gwlc3
2024-08-17 21:26:37
Author Public Key
npub1ym7ul30klun6nynw7de92sjpcu93qssffmrhfx4rqyy3udx302sqzgwlc3Published at
2024-08-17 21:26:37Event JSON
{
"id": "14d9c90e9bcbccbcd92b1d16ba6433cccf0e1268623ca243e2a4e6fb215084b5",
"pubkey": "26fdcfc5f6ff27a9926ef372554241c70b1042094ec7749aa301091e34d17aa0",
"created_at": 1723929997,
"kind": 1,
"tags": [
[
"proxy",
"https://mk.absturztau.be/notes/9x27q0jpcw37008t",
"activitypub"
]
],
"content": "How to check how much energy is left in a battery?\nEveryone: Measure the open-circuit voltage. Monitor discharge current over time and compare it with the calibration curve.\nFlooded lead-acid users: Just open the cell and see how much unreacted materials is physically still there. Be careful not to spill the sulfuric acid.",
"sig": "e2d2bcf3ca616c0ce460bb1a31531f3a8c98b56b3706b863cbd491e58ee30dc896e711b2013c43c3f3865f38633ab457d537b8ed04c3c6b790d42a73bc3260a1"
}