But could a smart charger solve that problem? I'm asking this in theory,
because I am completely happy with my jump starter and want to be able to
use it in any car I am traveling in, but just curious.

Jim

On Sat, Dec 6, 2014 at 6:58 AM, mark drillock <mdrillock@cox.net> wrote:

> In the Amazon listings there are questions and answers. Someone asked
> about leaving it connected all the time while driving and the seller
> answered, not to do that as the battery may get damaged.
>
> Mark
>
>
>
> Jim Felder wrote:
>
>> Mine came with some brief instructions but no information at all about the
>> technology used nor cranking amps or whatever. It seems that when they are
>> discussed the general consensus is that they couldn't work as well as they
>> do.
>>
>> I wonder if you could hook one up along side a deep cycle battery to
>> charge
>> while you were running, then this thing would actually do most of the work
>> of starting the car? That way you could have your cake and eat it too,
>> with
>> just one battery.
>>
>> Jim
>>
>> On Fri, Dec 5, 2014 at 3:55 PM, Vanagon <camping.elliott@gmail.com>
>> wrote:
>>
>>  How many cold crank amps can those things possibly pack? Why aren't we
>>> using them for starting batteries if they work that well?
>>>
>>> Dark magic, indeed.
>>>
>>> Jack Elliott
>>> 1984 Westfalia
>>>
>>>  On Dec 5, 2014, at 11:51 AM, Loren Busch <starwagen@GMAIL.COM> wrote:
>>>>
>>>> This subject came up a couple of weeks ago, I think on this list.  The
>>>>
>>> new,
>>>
>>>> very small/compact jump start batteries.
>>>> Well, I got a chance yesterday to try on.  On a very dead battery in my
>>>>
>>> '90
>>>
>>>> T-Bird.  And the darn thing worked!  Actually three times!  And
>>>> according
>>>> to the meter on the thing it was only pulled down about 20%.
>>>> One of these:
>>>> <
>>>>
>>>>  http://www.amazon.com/Spirit-G03-Emergency-14000mAh-
>>> Saunsung/dp/B00KCBCXKC/ref=sr_1_1?s=automotive&ie=UTF8&qid=
>>> 1417808523&sr=1-1&keywords=spirit+battery
>>>
>>>>
>>>> So, I'm impressed.
>>>>
>>>
>>>
>>