
1
Introduction
1.1
Features
The RESU
®
6.4 EX battery pack has the following features:
Photovoltaic system
: This battery pack is designed for household photovoltaic
systems.
Battery management system (BMS)
: The battery pack’s built-in BMS moni-
tors its operation and prevents the battery from operating outside design
limitations. See
on page 9.
Expandability
: This battery pack can be easily expanded by adding expan-
sion battery packs.
1.2
LED Indicators
Sta
tus
Cha
rge
/ D
ischa
rge
RESU 6
.4
R
Status Charge / Discharge
RESU 6.4 EX
R
The LED indicators on the front of the battery pack show its operational state
as follows:
Standby
: When the battery pack is ready for operation, the
Status
indi-
cator is lit in red.
Normal operation
: When the battery pack is in normal operation, the
Status
indicator is lit in green.
Charge in progress
: While the battery pack is charging, the
Charge /
Discharge
indicator is lit in red.
Discharge in progress
: While the battery pack is discharging, the
Charge
/ Discharge
indicator is lit in green.
4