Chargers with the "oomph" to start the bike with n

[J.M.]

Edit, title should read: Chargers with the "oomph" to start the bike with no battery
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So, this morning got me thinking about a charger I would like to own.

For those occasions where your battery is dead and leaving it on an optimate every night isn't an option, but you need to go out and you know that by the time you've arrived at your destination your battery will be good enough to get you home.

I'd like some sort of power supply that I could simply crocodile-clip on to the (+) and (-) on the battery and have it supply the bike with enough power to allow me to crank the bike. Essentially enough power to crank the bike if there was no battery in there.

Something <=£10 is really the range I'm looking for. I'm a cheap git. I've also been considering keeping a spare battery in my room as a "just in case", but as I said previously, I'm a cheap git.

Is there anything like this? Not sure what to look for really. I have a 12v charger but it lacks the "oomph" to start the bike.
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2004 R1 & 2018 XSR900

[chris-red]

Buy another battery leave it on trickle.
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[map]

Wouldn't normally use a charger to start the bike.
Best bet is to get a powerpack - like this.
They can start the car so a bike is no hassle.
Effectively a spare 12v battery in a box.
Prices vary but can be had at autojumbles (e.g. Rufforth) for reasonable pennies.
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[Jim Mc]

They don't exist, even a small engine will pull 30+ amps to crank.

[cb1rocket]

he's thinking of this

https://www.ebay.co.uk/itm/BATTERY-CHARGER-BOOSTER-CAR-BOOSTER-CHARGER-630-MODEL-/160819279645?pt=UK_Recovery_Tools&hash=item257193771d#ht_1945wt_1037

cheaper to get another battery and a trickle charger. Or if you want something with some juice, an old car battery usually have hell alot of ooomph power to start a bike still.

I use my dad's old rover battery for this purpose. Its on the way out but stick it on charge and is still perfectly suitable for jump starting the bike. I have cranked the bike like 20 times for 10 secs burst so they do work.

[kernow24]

Why bother? Buy a new battery and / or sort your charging system
out. Your battery shouldn't be die in normal use.
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[Pete.]

[G]

Yes indeed; I have two chargers with 'boost' fucntions that will start a 2500cc td engine, so have no problems with even a bigger bike that doesn't have a battery in.
I believe one claims up to 120A 'boost' and the other 180A.

The resettable trip stopped working on one. A 30A fuse replacing it blew too easily with cars, but two 30A fuses in parallel have only blown once so far.

Mine are smallish units, but as above you can get some really chunky ones, including 24v units that will trucks.

While it's useful to have around, I'd go with a proper battery.
Or a jump pack and charge the jump pack over night - one with a pump in too is always useful to have around.

[Pol Anorl]

Don't you live on a hill or have a hill near you, just bump it.
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[Jim Mc]

[TheSmiler]

[Pete.]

[G]

[J.M.]

[sickpup]

I have one of these which never fails to do the trick.

[J.M.]

Definitely something I'd like to have one day. I can't really afford something that expensive though or store it anywhere even with moving to uni soon.

Nice to know that these things exist though for the future
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2004 R1 & 2018 XSR900

[Casper]

What about a booster or whatever they ars called

https://www.bestbuyautoequipment.com/v/vspfiles/photos/KK-JNCXF.jpg

Every so often Lidl or Aldi have them on offer. Just pug in the mains at night to charge.

[TheSmiler]