14
Product Overview
NOTICE!
• You can set two configurable working periods: forced charging period and allowed
discharging period. Please refer to "Charge & Discharge Period" for details.
• In feed-in priority mode, considering whether the battery can be charged during the
daytime. If not, it is recommended to set forced charging period during off-peak
hours.
2.7.3 Backup Mode (Priority: Loads > Battery > Grid)
The backup mode is suitable for areas with frequent power outages.
This mode will maintain the battery capacity at relatively high level to ensure that the
emergency loads can be used when the grid is off. Same working logic with self-use mode.
Time
setting
Battery
status
Battery
SOC
Purchase
status
Power
Purchase electricity Self use Sell electricity Self use
Purchase
electricity
Charging Standby Charging Standby Discharging Standby
Forced charging time Other Allowed discharging period Other
7:00 18:00 23:00
Time Line
The grid powers the
load and charges the
battery.
PV and battery
power the load
Surplus will be
sold to the grid
PV powers the load
Charge the battery
Expected PV
power curve
Load power curve
PV and battery
power the load
Reserve enough
capacity to enter
On-grid mode in
case of power
failure
Backup Mode
(Assuming peak power from 7:00 to 23:00)
Idea: Based on the Self use mode, the
minimum SOC is increased to prepare for
a power outage.
Discharging
Figure 2-12 Backup mode
Table 2-6 Description of backup mode
Time period Inverter working status
Forced charging
period
• Charge the battery first untill the battery SOC reaches the
specified Charge battery to value. You can configure the
inverter to either draw power from the grid or not.
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