4 Application Description
The battery packs support parallel connection, and synchronously increases the
backup time or backup power.
Multiple battery packs of parallel connection need to use RS485/CAN to
communicate, pay attention to the DIP switch settings. Turn off the batteries before
connecting them in parallel.
4.2 Low-temperature Application
4.1 Parallel Connection Application
•
Low-temperature Charging
The battery pack does not support direct charging of the battery below 0°C.
When the minimum temperature of the battery is below 0°C, the BMS will cut-off the
charging circuit and cannot be charged.
•
Low-temperature Discharging
The battery pack does not support discharge below -20°C. When the minimum
temperature of battery is below -20°C, the BMS will cut-off the discharge circuit and
cannot discharge.
4.3 Low battery-capacity Storage (SOC
≤
5%)
After the battery pack is power off, there will be BMS static power consumption
and self-discharge loss. In actual scenarios, it is necessary to avoid low-battery-pow-
er state
(
SOC
≤
5%
)
storage. If it is unavoidable, the longest storage period is 30