Hi Zap,
Further information.
Batteries :- (24 off) 5 strings of 4, each 12v 110amp sealed felt type (ultra deep cycle Gel Marathon 35kg each), 1 string of 4 sealed lead acid type 12v 110amp (ultra deep cycle Lucas 28kg each).
Power supply :- 2 off 3.7m diameter wind turbines, output DC from 10amp at 48v to 56.6v. Normal max 60amp at 48v to 60v (when automatic furled). Max gust recorded 83amp at 60v.
Controllers :- 2 off Morningstar Tristar 45amp. Both set for diversion load at 56.6v and when controllers go to float mode at 54v. 2 Dump loads, air heaters (large coil type 4mm dia wire) matched resistance 1.36ohm each.
Trust this clarifies.