I cobbled together a small PV system out of old parts for a mobile trailer my wife uses. If needed, charge your battery. If you bypass the controller and disconnect the loads, the voltage on the battery will eventually rise up to the voltage of the panel, which is well above 15.5 even for a nominal 12V panel. Adding water to AGM batteries will result in irreparable damage to the battery or the vehicle. Is this a problem? No more battery maintenance – you don't have to do anything except replace them when they wear out. My owners manual says to peel the label off for checking and adding water. The battery would have to be upside down to add water. Sorry but only 18 month shelf life but specs covers detail. "Reserve capacity" by definition is the capacity at 25A, and with your devices you are not drawing that much. When a cell discharges, the lead and diluted acid undergo a chemical reaction that produces lead sulfate and water. He pried off the caps and decided it was low on water and added nearly 1/2 gallon of distilled water to it. Check the water level and state of … At this stage the plates could be very fragile and may fail after a ride down a bumpy road. Mex, Why bypass the controller? Very interesting show. More than likely your loss of capacity is due to sulfation not necessarily low water levels. Add water until the electrolyte level is 1/8″ below the bottom of the fill well. Fieldlines.com: The Otherpower discussion board, http://www.engineersedge.com/battery/specific_gravity_battery.htm, http://www.bryanhorology.com/renewable-energy-creation.php, http://www.batterytender.com/Intro-to-Lead-Acid-Batteries/. You might be able to get some capacity back with a conditioning charge but IMO they're just old and need to be replaced. There are some decent knowledgeable folk on here. Login with username, password and session length. Typically, you need to add the water before charging the battery. Page created in 1.63 seconds with 36 queries. The extra pressure accelerates recombination. A car battery delivers power to start a car. During battery activity, some of the water through chemical action breaks down into hydrogen and oxygen gases that may evaporate from the battery. Your battery will have a total of 6 cells, so you will need to add water to all 6 of them individually. Do not over fill the water level. How much Epsom salt do you use in a battery? Absorbed Glass Mat batteries are constructed differently than the traditional flooded battery. TechWriter one the ones I have opened after finding the hidden door just have a little rubber like cap over the fill hole open that 1-2 PSI would let them vent I expect. It sounds like it was a bit of a false alarm. Sears manufactures Die Hard 12-volt batteries for lawn and garden tractors. I found adding water to an old AGM battery as productive as pushing a log chain up hill. Materials/Tools. When reconditioning the battery, there are a lot of items you will need, with Epsom salt being one of the most important tools. Test the battery, if the result is lower than the stnd CCA then The Voltage is 12.69 then you need to replace the battery. We do this all the time on large 2 volt VRLA cells. You can add water to a maintenance free battery, not an AGM of Gel. They are designed to be non spill able, in the event that a case gets cracked the electrolyte is supposed to stay suspended in the matting. What is AGM technology? So this should be done. Basically they say to first charge, then run 8 hours at 15.5 volts to condition. Other items you will need include: protective gear, a battery charger, funnel, screwdriver, distilled water, old toothbrush, baking soda in powder form and a voltmeter. After charging, add enough water to bring the level to the bottom of the vent, about ¾ below the top of the cell. Sorry for the inconvenience. Try not to add too much water. In many batteries, water can be added regularly to ensure the plates are co… Adding water seems like it would dilute the electrolyte to a lower specific gravity than a fully charged battery would like to see. Yes add distilled water. Now add water to fill the battery to the proper level. SunnyBoy 3000 US, 18 BP Solar 175B panels. One battery actually took a week before the Minder said it was ok, and not overly sulfated. www.concordbattery.com/extenderservice.php. BTW, those plugs are there so the batteries can vent if they're overcharged. Before charging, make sure there is just enough water to cover any exposed plates. We never checked the water last year thinking it was an AGM. If the readings are below 75%, charge the battery. My bank is four 12 volters in series, so I used the 8 amp 12 volt charger, doing one battery at a time. When you have a dead AGM battery you have nothing to lose trying to add water. Bear in mind that AGM batteries are 99% saturated with electrolyte. Currently debugging, strange errors may occur. Dunno about AGM, but SLA will take water to a point. FWIW this thread is eight months old and was a silly topic to start with. Re: Adding Water to VRLA (SLA) batteries? If you very carefully and slowly add distilled water to each cell to re-moisten the plate separator material it may spring back to life. For batteries with higher AH ratings or having the High Performance rating (designated by an “H” in the part number/name), allow the battery to stand for 1 to 2 hours . Ensuring your batteries are properly watered will add life and provide optimum performance from your deep-cycle batteries. Common to most motorcycles, ATVs, snowmobiles and lawnmowers. You cannot do a partial conditioning procedure by temporarily setting the charge voltage higher on your controller on a sunny day? With your energy needs being so low, you can keep this battery - who knows - maybe few years more. Faster discharge on cloudy days may exactly mean that they are close to being dead. unbob, me don't understand why you cannot give your batteries a "conditioning charge" just because you are on a beach in BCS. Put the vent caps back onto the battery. Its just that you shouldn't add more than an ounce at a time to each cell. Clean away any dirt from the top of the battery, this will prevent it from getting into the cells. Add water to the battery to bring the level to just below the bottom of the cell inspection hole. Step 5 Fill the battery cell to the marked fill line on the side of the battery housing. If the voltage reading of your battery is below 10V, then you consider it empty or fully discharged. Give those batteries a nice send off. If you drain this battery some of the electrolyte will come out in solution with the water. Water will go in just fine if they are low on moisture based on my experience. No one believes the theory except the one who developed it. saludos. Make things damp, not soaked. You are about double their life. Let the battery sit for almost one hour before you start the engine. Nothing definitive I could see. I would think over the course of a few sunny days in a row you could get in 8 hours in at 15.5 v after being charged on solar if you are normally charged up by noon. Carefully reseal the cell cover. To add water to a car battery you will firstly need to remove the cell vent tops. Fill lines are usually located about an inch from the top of the battery cell. most Gel/AGM batteries have a recombiner that does indeed convert the hydrogen and oxygen back to water (and heat). Everything is possible, just give me time. Step by step video instructions for adding the acid to a new AGM battery. Not yet camped in Hawaii, 2 Canada Provinces, & 2 Territories, I can't be lost because I don't care where this lovely road is going, 2009 Newmar Canyon Star 3205, Ford F53 V10. Before adding water to a maintainable battery, take an open circuit voltage reading and/or hydrometer reading of one cell. It was distilled water that was added. The Mighty Max deep cycle … Hi kegman, and welcome to this Forum. This write-up covers mainly the Concorde Sun-Xtender AGM's, but also applies to most other brands of deep cycle AGM batteries.. 0 Members and 1 Guest are viewing this topic. The battery in the pic is for marine use. Use a different cell each time. We don't really buy batteries, we rent them. It is fine to add water but you should only use the packaged dehydrated water. There is no need to add water to AGM batteries. It really helped both issues you describe. These plates are covered with water. Once the battery is fully charged, disconnect the battery and now you can top off all of the individual cells with water until the water level rises to 1/8 – 1/4″ inch below the fill tube. Here is Concords conditioning instructions. There are lots of google hits on 'add water to agm'. Could it truly have been low on water? if low level of fluid then you can add distilled/ionized water on the battery. Carefully pour the distilled water into the battery, submerging the lead plate in the battery cell completely. He didn't know it was an AGM. She will have to check the water levels which isn't easy. Use a syringe to inject the water and note how much it takes to moisten the cells. AGM batteries don't lose water, thanks to an ingenious catalytic cap that recombines the hydrogen with oxygen to make water, which trickles back down into the cell and never gets lost. I am looking forward to a report on how the added water affects capacity and general performance. The Batteries + people didn't seem concerned but I doubt they know any more than the average retail clerk about batteries. About 95+ % of all batteries get recycled according to a tv show the other night. All the AGM batteries I've bought (YUASA motorcycle, small equipment) have shipped dry, and had to be activated before 'sealing.' But it could have been a true AGM (don't know what kind of model you have), so spelling it out to be painfully obvious: Absorbed Glass Mat. FWIW, all have been imported from Asia, so there may be safety issues that preclude shipping them already activated. Test your battery with a hydrometer and/or a voltmeter to ensure the battery is fully charged. The battery usually has internal plates that make the battery work. Jajajajajajajajajaja, my kind a post! The AGM battery operates in a semi-sealed atmosphere with a one-way release valve on the principle of oxygen cycle and therefore there is negligible water loss. It's in a battery case under a cabinet in the corner. Conventional Batteries I used a BatteryMINDer to desulfate the big AGM's in hour stick house solar battery bank. Never remove the strip of caps or add water or electrolyte to the battery during its service life. I took the battery out a couple weeks ago and put it on the charger and everything was fine. All AGM batteries are considered "dry Cell", because they will not leak if the casing is cracked or turned upside down. I have read 2 maybe 3 posts on adding water. They do not operate efficiently and are damaged. Now, Concorde recommends conditioning when battery capacity drops by 20%, if memory doesn't fail me.

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