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Sources and UPSs

How to recharge UPS BP17-12 Batteries.

vicmanu91
hace 5 años
hace 5 años
Good Morning. I have 4 BP17-12 Batteries of 12 volts 17 a / h which are removed to a UPS and are completely discharged. Two mark me 1.6 volts and the other two are at zero. Seeing the specifications they tell me they are rechargeable. My question is that if they can be recharged by connecting them to a car battery of course connected to the car. I did not want to do it as a precaution because since they are completely unloaded I do not know if it can be done in this way or if you must have a special charger to charge them since in the specifications it says that they are also used for electric chairs and I do not know if a Special charger or if they can be charged with the car battery. I attach the pdf of the battery specifications. BP17-12.pdf [167.27kb]
jochu73
jochu73
31.275
hace 5 años
hace 5 años
You must buy a car battery charger. You can also make it. You must maintain it, uncover the cells, collect the liquid and do an internal cleaning with water and baking soda for 4 hours, you can repeat the cleaning and then rinse with water. Then use a coffee filter of those paper to filter the liquid you removed and refill the cells, if liquid is missing you can buy liquid from batteries in specialized places such as where they sell motorcycle parts, if you can not use epsom salts and distilled water to complete the missing liquid. At the end of the maintenance you must use the charger to give it the full charge.
vicmanu91
hace 5 años

OK ... and they cannot be charged as the car batteries are charged, that is, by connecting them with auxiliary cables to the car battery? ... as well as when a car runs out of battery and with another car it helps connect the batteries with the auxiliary cables and is charged. What happens is that the batteries as they are in minimum voltage, I think that when the voltage increases a little, the UPS already recognizes them and there if I start to charge them.

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jochu73
jochu73
31.275
hace 5 años

If it is a modern car it should not be done since that damages the electronics of the car. If it is an old car, before 1996 if you can like to get out of the way. I recommend that you inspect the batteries first in case they lack liquid.

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