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Stackable Home Energy Storage
One Stackable Platform, Three Battery Capacity Options
DTSOLARPOWER Stackable Battery Storage is a floor-standing LiFePO4 battery and inverter system available in 10.24kWh, 15.36kWh and 20.48kWh versions. Each version has its own cabinet size, weight and inverter power rating.
This page focuses on choosing between the three assembled versions, matching solar PV input to the inverter and planning the stacked equipment layout for a residential energy storage project.
Enquire About a Stackable System →System at a Glance
Battery and inverter ratings for the product range.
Version Selection
Choose Your Stackable Battery Configuration
The three versions differ in energy capacity, inverter power and total cabinet height. Select the combination that meets the project's energy and power requirements.
The smallest cabinet in this range, with one MPPT input listed for the corresponding inverter.
An intermediate capacity option with two MPPT inputs listed for the corresponding inverter.
The highest energy capacity in this product range, with a different published PV input voltage range.
Configuration Matrix
Battery and Inverter Specifications by Version
Use the matched battery and inverter ratings when comparing versions. Values below are taken from the product's published specification; electrical design should use the datasheet for the supplied model.
| Specification | 10.24kWh System | 15.36kWh System | 20.48kWh System |
|---|---|---|---|
| Battery energy | 10,240Wh | 15,360Wh | 20,480Wh |
| Battery chemistry | LiFePO4 | LiFePO4 | LiFePO4 |
| Nominal battery voltage | 51.2V DC | 51.2V DC | 51.2V DC |
| Matched inverter rating | 5kW | 8kW | 10kW |
| PV input voltage in listing | 140–950V DC | 140–950V DC | 125–425V DC |
| MPPT input count | 1 | 2 | 2 |
| Dimensions (L × W × H) | 700 × 435 × 490 mm | 700 × 435 × 870 mm | 700 × 435 × 1060 mm |
| System weight | 143 kg | 192 kg | 240 kg |
Stacked System Layout
Understanding the Modular Cabinet Design
The product combines a battery storage section, battery management and an inverter-based electrical system within a stacked, floor-standing arrangement.
- Battery section: LiFePO4 cells provide the stored electrical energy.
- BMS: manages battery monitoring, protection and active cell balancing.
- Inverter: handles power conversion and solar MPPT operation.
- Controls: a 7-inch touchscreen and Wi-Fi monitoring features are included in the product information.
The number of battery modules and their internal connections should follow the equipment drawing for the ordered version.
Solar and Inverter Matching
Match the PV Array Before Choosing an Inverter Version
The inverter's PV input requirements vary across the three configurations. The DC solar input is separate from the 51.2V battery bus and from the inverter's AC output.
Identify Household Loads
Determine continuous power demand and expected starting loads.
Select Inverter Power
Compare the 5kW, 8kW and 10kW versions against load requirements.
Check PV String Voltage
Match module Voc, operating voltage and temperature conditions to the inverter's DC range.
Set Battery Capacity
Choose the stored energy needed for the intended operating schedule.
PV Input Ranges
The 5kW and 8kW options show 140–950V DC PV input, while the 10kW option shows 125–425V DC. Use the final inverter datasheet for string sizing.
AC Output Requirements
The product page specifies 380V AC at 50/60Hz. Check the actual output arrangement and applicable electrical requirements for the destination market.
Expansion and Compatibility
What to Check Before Adding Battery Modules
A stacked form factor does not, by itself, establish unlimited future expansion. The system must support any proposed additional battery modules.
Module Compatibility
Added modules must meet the supported model, voltage, connection and battery compatibility requirements.
BMS Expansion Limits
The BMS must be able to monitor and protect the proposed battery arrangement.
Inverter Power Limit
Adding battery energy does not automatically increase the inverter's rated AC output power.
Cabinet and Electrical Design
Mechanical stacking, wiring, protection and installation clearances must be suitable for the expanded system.
Product Selection
Stackable System or Dedicated 20kWh Battery Storage?
DTSOLARPOWER also offers a separate 20kWh battery storage product. Although the energy capacities can be close, the two product pages describe different electrical configurations.
Stackable Battery Storage
Choose this product range when comparing three assembled capacities, matched 5/8/10kW inverter options and model-dependent solar PV input requirements.
- 10.24 / 15.36 / 20.48kWh
- 5 / 8 / 10kW inverter ratings
- Version-specific MPPT and PV input data
20kWh Battery Storage
Review the separate 20kWh product when a fixed 20kWh battery specification is required, together with its own current ratings and compatible inverter parameters.
- 20kWh battery energy
- 51.2V nominal battery voltage
- Product-specific electrical ratings
Configuration Questions
Stackable Battery Storage FAQ
- What is the difference between the three stackable battery versions?
The versions provide 10.24kWh, 15.36kWh and 20.48kWh of battery energy, with corresponding 5kW, 8kW and 10kW inverter ratings. Cabinet dimensions and weight also differ.
- Is the 20.48kWh stackable system the same as the 20kWh battery storage product?
No. They are separate product listings with different system specifications. Compare their battery, inverter and solar input ratings before selecting either product.
- Does the stackable battery storage system include an inverter?
This product is presented with 5kW, 8kW and 10kW inverter configurations. The quotation should identify the inverter and equipment included in the supplied package.
- Can additional LiFePO4 battery modules be added later?
Expansion is possible only within the system's approved module and BMS limits. Verify the supported maximum arrangement and inverter compatibility before adding battery modules.
- Why does the 10kW version have a different PV input voltage range?
The published 10kW inverter configuration has a different PV input specification from the 5kW and 8kW versions. PV strings must be designed for the actual inverter input limits.
- What details should I provide for a stackable battery system quotation?
Provide the required battery capacity, inverter power, local AC voltage, PV array information, installation location, order quantity and delivery destination.
Configuration and Quotation
Request a Stackable Battery System Quote
Tell us which capacity and inverter version you need. DTSOLARPOWER can discuss the matching equipment specifications, documentation and project quotation.
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