QUARTU
1 µW
Hi ,excuse me but are not practical electricity! 
I buyed two LiFePO4 24V and 10Ah Yesa battery. Is it possible to connect them in series? How can I do that? When I receive them, should I charge them for 24 hours or are them already full charged?Thanks.

I buyed two LiFePO4 24V and 10Ah Yesa battery. Is it possible to connect them in series? How can I do that? When I receive them, should I charge them for 24 hours or are them already full charged?Thanks.