[Shop-talk] battery revival

[Phil Ethier]

Going off-topic a bit: I skipped out on this problem by using a jump-box to run my trailer winch. My trailer is kept offsite and the jump-box lives in my shop at home. Easy to keep it charged and easy to carry from the shop to the trailer when I load the car. I have winched in the car several times a weekend on a single charge. 

Sent from my iPhone

> On Jun 22, 2017, at 9:29 PM, john niolon <jniolon at att.net> wrote:
> 
>  
> I've got a 12 volt 750 cca Exide battery, probably 4-5 years old and seldom used   It is permanently mounted on my car hauler trailer... runs the winch. I have a 1 amp (I think) solar panel keeping it topped off and occasionally I switch it to the breakaway battery. Probably been 6-8 months since I've used it and when I did.. it died rather quickly... charging would bring it back... but again sagged quickly. The cells were a little low on water but not below the plates... topped them off and put it on a batteryminder maintenance charger... 
> 
> I can get it up to 14 volts... but when I put it under load it drops to about 4 it's been on this charger for days 
> 
> diagnosis ??? salvageable ??? 
> 
> thanks 
> john
>  
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