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Ok, here's a diagram from the website:
2s+2s = 4s.jpg
I've used this wiring (except I didn't bother to cut the red wire on the balance tap from the 2nd pack - you can do it if you want to, but I just leave it combined with the rightmost negative wire from the first pack).
If you do this - absolutely do what they recommend in the diagram by tying the balance wires to the main leads (shown by the green ovals representing wire ties) so you can't possibly cross things up when connecting the packs.
1 - I plug in the two balance taps into their connections BEFORE plugging the big (5 conductor) balance plug into the balancer.
2 - Then I connect the main leads to the charger.
3 - Tell the charger to charge a 4s pack and let 'er rip.
Also, this is very important too - only charge packs in pairs that you discharged in pairs (running at the same time in your boat - keep your packs numbered so you don't mix them up). If both packs are at a similar state of discharge, it's a LOT easier for the balancer to get them to the same level.
Here's a photo of both of my chargers charging 2 packs at a time - one charger using an astorflight blinky, to other using a a Trakpower V-balance. It works great and I can charge 4 packs in one hour - instead of in 4 hours.
2s + 2s = 4s pic.jpg
2s+2s = 4s.jpg
I've used this wiring (except I didn't bother to cut the red wire on the balance tap from the 2nd pack - you can do it if you want to, but I just leave it combined with the rightmost negative wire from the first pack).
If you do this - absolutely do what they recommend in the diagram by tying the balance wires to the main leads (shown by the green ovals representing wire ties) so you can't possibly cross things up when connecting the packs.
1 - I plug in the two balance taps into their connections BEFORE plugging the big (5 conductor) balance plug into the balancer.
2 - Then I connect the main leads to the charger.
3 - Tell the charger to charge a 4s pack and let 'er rip.
Also, this is very important too - only charge packs in pairs that you discharged in pairs (running at the same time in your boat - keep your packs numbered so you don't mix them up). If both packs are at a similar state of discharge, it's a LOT easier for the balancer to get them to the same level.
Here's a photo of both of my chargers charging 2 packs at a time - one charger using an astorflight blinky, to other using a a Trakpower V-balance. It works great and I can charge 4 packs in one hour - instead of in 4 hours.
2s + 2s = 4s pic.jpg
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