HomeGrid Stack’d Series BMS & Base Standard All Weather – Model 4000044
MPN No: 4000044
Estimated arrival on Nov 14 - 21
In Stock
$1,699.00
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4000044
MPN No: 4000044
Estimated arrival on Nov 14 - 21
In Stock
$1,699.00
The HomeGrid Stack’d BMS and Base Unit (formerly HG-MC100-200M2-P) is the foundation of every HomeGrid Stack’d energy storage system. It combines a floor-standing mounting base with an integrated Battery Management System (BMS) that regulates communication, safety, charge/discharge, and inverter compatibility for up to 8 battery modules per stack.
This BMS is required for any Stack’d system to function and is compatible with both the standard and heated HomeGrid 4.8 kWh LiFePO₄ battery modules.
Need battery modules to go with this base?

Required to operate any HomeGrid Stack’d battery system
Manages up to 8 modules per stack
Supports 15 stacks in parallel (up to 576 kWh)
Real-time CAN/RS485 system communication
IP55-rated floor-standing design
Compatible with both standard and heated modules
Works with Sol-Ark, Schneider, SMA, Victron, and Outback inverters
UL and UN safety certified
| Specification | Value |
|---|---|
| New Model Number | 4000044 |
| Previous Model Number | HG-MC100-200M2-P |
| Product Type | Battery Management System + Base |
| Supported Modules | 2–8 per stack |
| Max Parallel Stacks | 15 |
| Communication Protocol | CAN / RS485 |
| Certifications | UL 1973, UL 9540, UL 1642, UN 38.3 |
| Protection Rating | IP55 |
| Mounting Type | Floor-standing |
| Compatible Modules | 4000051 (Standard), 4000043 (Heated) |
| Inverter Compatibility | Sol-Ark 12K/15K, Schneider, SMA, Victron, Outback |
| Dimensions | 29 x 15.75 x 7 inches |
| Weight | 88lbs |
Q: What is included in this listing?
A: This includes one (1) HomeGrid BMS and Base unit (Model 4000001). It is required for operating any HomeGrid Stack’d battery system. Battery modules are sold separately.
Q: Can I operate HomeGrid batteries without this base?
A: No. The BMS/Base is required to manage the stack. It controls safety, communications, and energy flow. Each stack must have exactly one BMS.
Q: Which battery modules are compatible with this unit?
A: Both of our 4.8 kWh modules are fully compatible:
Standard Module – Model 4000051
Heated Module All Weather– Model 4000043
You can mix heated and standard modules in the same stack if needed.
Q: How many modules can I stack on one base?
A: Each base supports up to 8 modules. You can parallel up to 15 stacks for large-scale systems (up to 576 kWh total).
Q: Does this work with my inverter?
A: Yes, this BMS is compatible with most major inverter brands, including:
Sol-Ark 12K / 15K
Schneider Electric
SMA Sunny Island
Victron Energy
Outback Power
Q: Is this unit UL listed and safe for residential use?
A: Yes — it is UL 1973, UL 9540, UL 1642, and UN 38.3 certified. It is IP55 rated and safe for indoor and covered outdoor environments.