The link to the power supply I use isn't working right now. It is rated at either 10.5 or 12.5 amps (can't remember). It would be able to handle 2 chargers charging up to 3.7amps and for up to 4s Lipo on each.
EDIT:
Now that the link is working,:
http://www.emtel.com/search/product_...t_id=EMV15012V
It is rated at 12.5amps.
SH Z-Car, Custom Crawler, 8s Savage,
12s XTM XLB 1/7 buggy,
4wd 4-link rear/IFS Pro4 truck,
Custom Hyper 10 Short Course,
Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz