There is 30% potassium hydroxide (KOH) mixed within distilled water in
the electrolyte that is in the cell. By "sucking out" some of the
electrolyte, you are removing some fraction of the KOH. You are changing
the KOH concentration below ~30%.
Bill D.
On 5/8/2025 7:26 AM, Steve Gaarder via EV wrote:
What I did was get one of those disposable bulb syringes and cut a
hole in the side of the nozzle a few mm up from the end. Insert it
till it touches the plates. Squirt some distilled water and suck it
back up - it automatically sucks up any liquid above the level of the
hole.
Steve
On Wed, 7 May 2025, John Lussmyer via EV wrote:
On 5/7/2025 11:23 AM, John Lussmyer via EV wrote:
Now to figure out how to guess the water level, since I don't have
the special tool for that either.
I read the manual, looked carefully at a dead cell to see how tall
the plates were, and just went with a visual guess on refilling the
cells.
I charged them for a bit more, then let them sit for 30 minutes, and
did the fill.
The ones that had the biggest voltage variations between charging and
resting, were the ones with the lowest amount of water.
After filling the cells, ALL of them were sitting at about 1.38v.
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