Yeah will be using split balancer connection and converters.
The hyperion seems to be discontinued (for a good reason?)
Unfortunately the last two are way over my budget.
I'm ok with a 3h charge time.

The thunder is 350w, 4s are 16.6v at 4.15 (my voltage limit) so I should get 21a... right?
21a for 60ah is 3 hours.

Edit:


BTW what about the Turnigy MEGA 400Wx2 Battery Charger/Discharger :

Charging Output: 2 x 400w (800W Total)
Input Voltage: 12~18v DC
Charge Current Range: 0.1~20.0A
Discharge Current: 0.1~5.0A
Discharge Power: 2x25watt
Balance Current Drain: 200mAh/cell
Li-XX Cell Count: 1~6s
Ni-XX Cell Count: 1~15s
Pb Battery Voltage: 2~20v
Battery Setup Memories: 10
Intelligent Temp Control: Yes
Cooling: Dual Fan
Weight: 1211g
Dimensions: 200x140x55mm

I think this one will work well with the setup

Edit2:

Ah didnt notice the low voltage.
Now where do I find a fitting power supply?