Installation Manual

Introduction
Statu
s
Charge / Di
s
c
harge
RESU 6.4
R
664
165
406
165
230
664
Performance
Nominal voltage 51.8 V
Operating voltage 45.2 V to 58.1 V
Nominal capacity with no expansion pack 126 A·h
Nominal capacity with 1 expansion pack 189 A·h
Nominal capacity with 2 expansion packs 252 A·h
Nominal energy with no expansion pack 6.4 kW·h
Nominal energy with 1 expansion pack 9.6 kW·h
Nominal energy with 2 expansion packs 12.8 kW·h
Nominal charge current
1)
42 A
Nominal discharge current
2)
42 A
Maximum discharge current
3)
110 A
1)
in constant-current/constant-voltage charging mode
2)
in constant-current discharging mode
3)
If the temperature inside the battery pack rises, the charging and discharging current may
be derated to keep the battery safety and lifetime.
9