[Healeys] Trickle chargers

[Richard Collins]

I have been using 4 battery tenders for years on my various cars.
My Healey battery is now 10 years old. AGM batteries are getting popular but I don’t have one currently. I did have one on a race car, smaller and lighter and had no issue and didn’t need a tender on it.

Regards,
Richard C
BN7 440

> On Jan 14, 2021, at 13:44, Bob Spidell <bspidell at comcast.net> wrote:
> 
> You don't want a trickle charger (unless you're willing to constantly monitor the battery's state of charge; otherwise they can overcharge and 'cook' your battery--ask me how I know ;). You want a 'smart charger.'
> 
> There was a time I would have recommended BatteryMinder, but the last one I bought was lighter than the 3 I'd bought previously; I think they went solid state over good ol' transformers, and it hasn't performed well compared to the older ones. I bought a BM (heh) for AGM (only) 12V batteries--I have AGMs in my BJ8 and some in yard/farm equipment--and it's well-made and performs well (in particular, the cheaper ones have flimsy connectors that often get chewed-up due to arcing). BatteryTender is the main competition; I haven't used any but haven't seen any negative comments on them. Harbor Freight sells one but, again, I have no experience with it:
> 
> https://www.harborfreight.com/4-amp-fully-automatic-microprocessor-controlled-battery-chargermaintainer-63350.html
> 
> A trickle charger won't turn itself off; the good tenders monitor the voltage closely and maintain a 'float' charge; some also have desulfation capability which can sometimes resurrect a 'dead' battery:
> 
> https://www.upsbatterycenter.com/blog/battery-desulfation/
> 
> There are no 'cons' to using a good smart charger--except that you have to remember to hook them up--used regularly they can extend the life and usefulness of lead-acid batteries.
> 
> Bob
> 
> 
>> On 1/14/2021 10:20 AM, Fred Wescoe wrote:
>> Listers,
>> 
>> What is the thinking on the best trickle charger to invest in?  Pros and cons on using one?
>> 
>> 
>> Fred
>> 
>> 66 BJ 8
>> 
> 
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