24v to 12v jump pack

[pluto10107]

Any chance someone can show me how to rewire this jump pack from 24v to 12v (it goes through a switch and a fuse before it leaves the pack)?


Thanks

 

[Sintra]

Connect it in parallel as opposed to series?

 

[Jay Sparks]

^^^^^^ AS above and welcome to the forum.

Jay

 

[telectrix]

connecting the batteries in parallel would work as 12V, but the problem then would be that your charger is 24V and will knacker the batteries unless you replace it with a 12V charger. this may also entail modifications to the charging module in the unit as well.

 

[Sintra]

connecting the batteries in parallel would work as 12V, but the problem then would be that your charger is 24V and will knacker the batteries unless you replace it with a 12V charger. this may also entail modifications to the charging module in the unit as well.

I'm glad someone knows what they're on about.

 

[ayjay]

that thing at the bottom left-- a solanoid?-24 volt windings?

 

[lister101]

Basically you need to achieve this;
(sorry about the drawing). Which wires you use to make the connections is your choice & depends on length but please ensure that they are the same csa otherwise hey will overheat & posible catch fire in high current applications.
As previously mentioned you will need a 12V charger as a 24V charger would overcharge both batteries & buckle them beyond beliefe!


......Andy ;~)

 

[pluto10107]

that thing at the bottom left-- a solanoid?-24 volt windings?

It's the on/off switch (it's activated by a key the otherside)

 

[pluto10107]

Basically you need to achieve this;
(sorry about the drawing). Which wires you use to make the connections is your choice & depends on length but please ensure that they are the same csa otherwise hey will overheat & posible catch fire in high current applications.
As previously mentioned you will need a 12V charger as a 24V charger would overcharge both batteries & buckle them beyond beliefe!
View attachment 16473

......Andy ;~)

Thanks Andy,

Just checked the charger, it says 100-240v in and 12v 8a out. Surely this should be ok?

 

[i=p/u]

Might be re in acting his child hood with all the jokes as he gets old but know your stuff tel.