WeCo’S 5k3XP Stackable Module is a DUAL VOLTAGE module that can be used in a Low Voltage(48.5-58.4Vdc) configuration or in a High Voltage(80/200-750Vdc) configuration.
Weco's single module, 5k3XP is the most advanced lithium module for home and industrial. The energy storage module offers both on-grid and off-grid energy storage. One product is suitable for two applications LV or HV. Fast connections. When installed the lithium battery can be wall or floor-mounted, stackable, serial or parallel all depending on your unique requirement. High capacity output is achieved thanks to expandable and simple configuration.
The Weco wall mount kit allows one to install the batteries vertically on a wall allowing more space and it couples well with wall mounted inverters. The kit includes the cables and bracket for the Weco batteries.
Key differences: |
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| BMS power switch | ![]() |
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| Single CAN + DI/DO RJ 45 cable | ![]() |
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| BMS new generation pulse equalizer | ![]() |
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| Whole cluster FW upgrade via master(LV) | ![]() |
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| Whole cluster FW upgrade (HV Box + Battery) via HV Box |
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| Calendar data logs accessible in CSV from BMS | ![]() |
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| WiFi & bluetooth built in | ![]() |
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| HV Bos start up 80Vdc (2 modules) |
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The WeCo 5K3-XP Battery Module has two terminals for connecting the power supply. The low voltage screw terminal only supports parallel connection with maximum voltage 60V. Fast Connector terminals only support series connections up to 1000Vdc (always check the HV BOX max Voltage). Make sure to use the correct inverter charging parameters before connecting to the battery.
This Battery Module is designed to be used indoor with a a IP20 rating. In the event of multiple modules installed on the wall. Make sure to respect the distance of 25cm between each module. As well as 30cm below the ceiling line. The battery is always delivered in WALL mode and it is, therefore, necessary for the installer to make simple changes to install the STACK kit.