We have a new battery that was dropped, damaged and leaking fluid. We got it for free and experimented to see if we could repair, fill and seal it. Looks like it worked. Time will tell to see if the life of the battery is reduced.
Down under, we're required to wear safety thongs when working with dangerous materials For the yanks, thongs go on the feet, G-string between the cheeks
Have you thought of using Water Miser Battery Caps for lead acid batteries with regular fill caps? Ive heard great things about them from RV owners, solar powered homeowners, and industrial companies. It supposed to recycle the gas from the lead acid that would otherwise vent off and evaporate over time, especially in summer heat.
I used the black glue sticks as they are supposed to be the hardest of the glue sticks. There was no problem sealing the tops as they were not in contact with the acid. The hole in the bottom was another story. Long term, I could not get it to stop leaking and later, one of the viewers suggested that plastic welding would have been a better option for the crack exposed to the acid.
I used the black glue sticks in the glue gun. They are color graded with the black ones being the hardest and the white ones the softest. The battery worked fine for a couple of months but then the repair damage to the bottom of the battery began weeping. I tried another method to seal it but I think the battery acid just eats it away. The top sealing of the battery was fine probably because it is not immersed in battery acid. thanks for watching.
The repair on the leak was not successful. I tried JB Weld and hot melt glue stick. The battery was ok but I couldn't risk putting a leaky battery into a car as the leaking acid would ruin the paint. I took the battery to the recyclers and posted the video mainly to show that adding water to a sealed battery was possible then one of the viewers suggested that plastic welding should have been used on the leak and also the top. I agree that the plastic welding would have been better.
Evening...just found your video...mine is a leisure battery where I put a screw in bottom and leaked...is this only one cell which is dry. If so when I put water back in do I need to put sulphuric acid in aswell. Also I'll be be using g plastic weld for repair cheers
I think in a pinch that distilled water will do the job. If you want to add some acid a quick search online should give you an idea of how much acid to distilled water would be ideal. Plastic welding is definetly the way to seal the hole. Good luck and thanks for watching.
if you wanted to revive that particular type of permanently sealed battery, because it is flat of any life or charge would you be best to open it first so that you could charge it with out exploding, also if it was as flat as,,, could you just replace the acid water, with a solution of distilled water pre mixed with Epsom salts, & would it still need to be charged up whilst it is open so that it is not going to explode, & I know that you said that you cut it open with a grinder, but would that be dangerous if the battery was not new like yours because with an electric grinder, "would that be dicey if, and could a permantently sealed battery have a space / a gap of water missing from the battery due to being evaporated leaving a possible space / gap for acidic vapours or fumes? I would like to repair a battery like that type myself, also I never knew about the different coloured hot glue sticks either, so I am happy that I saw this video, but I'd like to find out a little more before I tried it with a battery that was not easily opened with plugs/ caps, I have heard & watched how some people use some stick welders to utilize the fast amp charging up 5 minutes at about 85 - 100 amps then ten minutes rest with these stages, repeated five times, but I couldn't imagine trying to use that welding principal, on a "permanently sealed battery with no escape of pressure & I haven't seen an example of that exercise in action, a doable method as of yet.
Totally agree about opening up a sealed battery before trying to revive it with a welder. A small hole above each cell would be enough and then resealed with hot melt glue. 👍
Instead of chiseling the top off, simply drill small holes, fill with distilled water, desulfate, charge up and seal the holes with hot glue. Fix the crack on the bottom by plastic welding it with a soldering iron.
