Sounds like a great idea....

However, one thing to consider is whether it's feasible to ship 'homemade battery setups' overseas given the world we live in now...

I bring this up as some time ago, another person on these forums offered up a dual battery he put together. I bought it and had him ship it to me here in USA from his country overseas. Long story short, after waiting about 2 months or so for package to arrive in the mail, it never did, and I had to request a refund, which I got. But was unfortunate situation all the way around.

Maybe it was just a fluke that package got lost or maybe as I suspect, customs people decided to intercept package thinking it was some other type of object, that gets people nervous about these days....

Hope you get what I'm trying to say...

Don't know if it would have been better to ship package via DHL or FedEx, etc...instead of relying on mail system.....

Anyway, just thought I'd mention it....