I just saw this. It looks very interesting also very overpriced.
http://rezervo.us/index.html (http://rezervo.us/index.html)
At a guess it has a voltage converter to step power up to 13.8v and a bunch of capacitors.
I have a feeling that ordinary capacitors might be cheaper and just as good if used to start from a weak battery. Indeed something with ordinary capacitors could just be wired in via a switch on the dashboard and press a button to release the charge while attempting to start the engine.
They also have something similar that will start a bus (as they told me) for about $179 if I remember correctly at the local Interstate battery store. Thought about getting one, but decided to wait because I just bought two new 8-D batteries.
Quote from: Gary Hatt - Publisher BCM on December 29, 2016, 01:18:21 PM
They also have something similar that will start a bus (as they told me) for about $179 if I remember correctly at the local Interstate battery store. Thought about getting one, but decided to wait because I just bought two new 8-D batteries.
Save your money. Not a prayer that's going to work when you really need it. Buy good batteries and keep the connections clean.
I wondered how effective they could really be. Thanks Bob.
You can always pick up a set of long jumper cables (or 2 or 3 sets) to reach your house batteries providing they aren't dead too. >:(
Or if you are rich, like most bus owners ;D and you can afford to run a set of big cables from your start batteries to your house batteries with a solenoid in the circuit so you can just flip a switch to share power between the batteries.
I think that would be the best bet on a cold morning Gary.
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Quote from: Gary Hatt - Publisher BCM on December 29, 2016, 01:36:38 PMI wondered how effective they could really be. ...
I knew a guy who ran a party bus charter business (about 3 bus-buses and a mini-bus or two). All the "real buses" were 24V and the black lights/strobes/sound systems were run off just a tap between batteries (** nothing like an equalizer or anything in sight). A pair of 8D's would last him 4-6 weeks. For the last two weeks of the life of the 8-Ds, they wouldn't even begin to start the engine when cold. He'd put a regular "jump box" on one of the 12V batteries, and they'd spring to life like he hadn't mistreated his batteries and killed them (... usually ...).
If you carry a battery charger with you and are on the pole you can just plug it in and hook it up.....or fire up the genny and do the same thing. ;D
Perpetual motion machine?
You can't get nothing from nothing.
As noted, maintain the batteries, protect from discharge.
And when you see one of these "work".... how "dead" was the battery?
Not much...
Don't waste your money.
happy coaching!
buswarrior