Jackery Solarsage cable/lead

Sackmycook

Leisuredrive Vivante
VIP Member
T6 Legend
I'm looking to connect my Jackery Solarsaga 100 to the LB via a victron 75/10 mppt.
Plan is to get an extension lead to the lead from the panel, strip off the connector and put the +'ve and -'ve into the Mppt ?
To this end can I assume that there will only be a positive and negative wire inside the cable ?
Looking at something like this....

Screenshot_20250824_195739_eBay.webp
 
I'm looking to connect my Jackery Solarsaga 100 to the LB via a victron 75/10 mppt.
Plan is to get an extension lead to the lead from the panel, strip off the connector and put the +'ve and -'ve into the Mppt ?
To this end can I assume that there will only be a positive and negative wire inside the cable ?
Looking at something like this....

View attachment 300799
I'm not following what you are trying to do?.

Charge the jackory from the LB?
 
No, use the Solarsager panel to charge the LB via the Victron. Had it on my last van, done by a convertor so I never saw the workings.

I've ordered an extension cable so hopefully cutting off the unwanted fitting will give me 2 wires for the Victron mppt
 
Oh got you.

The jack panel to the mppt, to charge the LB.
 
Yep. I'm just after confirmation that the cable just has 2 wires inside ? Some pictures show a real bundle of wires
 
Yes, that cable will have two cores.

Use a multimeter to find out what is + and -
 
I have bought the gear and my plan is to help top up the SB. I don’t have a LB but with electric sliders and electric tailgate the battery voltage drops when camping over night. I will look to fit a connector under the bonnet and via a fuse connect to the battery and grounding point. I’m aware of the smart battery in the van, just don’t went to be in a position where the battery becomes too flat to start the van.
Has anyone done this before and offer any advice?
 
I have bought the gear and my plan is to help top up the SB. I don’t have a LB but with electric sliders and electric tailgate the battery voltage drops when camping over night. I will look to fit a connector under the bonnet and via a fuse connect to the battery and grounding point. I’m aware of the smart battery in the van, just don’t went to be in a position where the battery becomes too flat to start the van.
Has anyone done this before and offer any advice?
50w dash panel,

or 100-200w portable panel.

connected to a MPPT solar controller.

connect to the starter battery, either via the 12v dash socket (80w panel max)

or connect to battery direct.

DONT CLIP TO or BOLT to the battery NEG POST.

use another NEG point. - ie headlight bracket bolt etc.


more info:


SOLAR:



My Panels:


 
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I have bought the gear and my plan is to help top up the SB. I don’t have a LB but with electric sliders and electric tailgate the battery voltage drops when camping over night. I will look to fit a connector under the bonnet and via a fuse connect to the battery and grounding point. I’m aware of the smart battery in the van, just don’t went to be in a position where the battery becomes too flat to start the van.
Has anyone done this before and offer any advice?
also look at adding in a battery monitor:

 
Thank you. I’ve read a lot of your posts. I have a battery monitor which is why I was aware the battery was getting to around 50%.
I have an existing 200w jackery solar and bought a Victron 75/15.
I need to work out the best connector from the Victron to the battery (not connecting the neg to the battery).
Thanks @Dellmassive
 
I have bought the gear and my plan is to help top up the SB. I don’t have a LB but with electric sliders and electric tailgate the battery voltage drops when camping over night. I will look to fit a connector under the bonnet and via a fuse connect to the battery and grounding point. I’m aware of the smart battery in the van, just don’t went to be in a position where the battery becomes too flat to start the van.
Has anyone done this before and offer any advice?
also look at getting your own jump-pack.

so if you rum flat, you can jumpstart yourself.

The NOCO GBX75 is my recommendation






.

FYI - running the AGM starter flat will servearly reduce its health . . . it will be knackered if run flat to many times.
 
Thank you. I’ve read a lot of your posts. I have a battery monitor which is why I was aware the battery was getting to around 50%.
I have an existing 200w jackery solar and bought a Victron 75/15.
I need to work out the best connector from the Victron to the battery (not connecting the neg to the battery).
Thanks @Dellmassive
you have Victron MPPT right?

ok so get these. . .


conect this to the SB POS terminal and a chassis ground.


1756114299842.png



++++++++++++++++




then get this lead. - cut off the female end, and then hard wire the male end and cable into the BATTERY connection on your MPPT.

then just place the MPPT in the engine bay next to the battery. (and connect your PV panel obvs)

this make it all plug and play.






1756114350912.png






+++++++++++



simples . . .


:mexican wave:




you can also add one on these. . . but not for 200w, unless you use the limiter on the MPPT APP to limit the current ander 8A - or the plug/socket will melt.






1756114642354.webp
.
 
Just to add for future reference. The only reason you cant connect any charger direct to the SB is due to the shunt on the SB negative terminal. So it's fine to connect the charger POS to the SB battery but you have to connect the charger NEG to a ground point on the van instead. Not easy on our vans as there's no dedicated ground point in the engine bay for this purpose unlike many other vehicles.

Edited as per @Dellmassive advice posted below. 👇
 
Last edited:
Am I OK to connect the positive and negative feeds from the victron mppt direct to the leisure battery terminals?

Is the negative grounding just for the SB stuff?

Just to add for future reference. The only reason you cant connect any charger, including jump starters I believe, direct to the SB is due to the shunt on the SB negative terminal. So it's fine to connect the charger POS to the SB battery but you have to connect the charger NEG to a ground point on the van instead. Not easy on our vans as there's no dedicated ground point in the engine bay for this purpose unlike many other vehicles.
Jump starter is fine direct on the SB.

As it's just a quick boost....

But everything else to chassis.
 
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