Normal overnight (Canon LP-E12) battery drain?
Re: Normal overnight (Canon LP-E12) battery drain?
Andy01 wrote:
StrugglingforLight wrote:
Bought a refurb M200 from Canon. Unlike the camera and lens, the battery looks refurb (more likely used). Marks on the glossy black portions and no protective cover on the battery terminal.
I charged the battery fully at 7PM last night and stored it outside of the camera. This morning at 8am it required an additional 8-10mins to fully charge.
This "test" is meaningless. This battery is a 2 cell (2x 3.6V cells), so the last part of any charge is a very slow balancing to get both cells equally fully charged. So when you charge a depleted battery the charging rate (as in amps or milliamps of current flow) is relatively high, and the closer the cells get to fully charged the charger will drop the charging rate down to almost nothing to do the final balancing.
Next time put in in the camera and see what the remaining battery capacity is.
Maybe this is the "issue." Yesterday I fully charged and took it off the charger. I put it back on the charger immediately and it started charging again for a few mins. I didn't repeat again after the green light came on again though.
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