Home backup power system with 3kW, 4kW and 5kW options, built-in MPPT controller, 110–230V output and automatic 50Hz/60Hz detection.
360° SAFETY
Automotive-grade battery management system with sub-100µs fault response — protecting your LiFePO4 home battery, your property, and your family around the clock
PRODUCT DETAILS
Complete product details — specifications, images, FAQ, and downloadable resources for this VoltCrave power solution
The SR-4000 is available in 3000W, 4000W and 5000W configurations, providing flexible backup power options for different residential load requirements.
An integrated MPPT controller supports coordinated energy management, making the system suitable for residential backup applications that require solar integration.
The system supports a 110–230V output range, helping it adapt to different residential electrical environments and regional project requirements.
Automatic 50Hz and 60Hz frequency detection simplifies configuration across different markets and helps the system adapt to compatible household electrical standards.
The platform is offered with on-grid and off-grid system options, providing flexibility for different residential backup power architectures.
The supplied product uses a floor-standing metal cabinet with integrated caster wheels, ventilation openings and a front control display for practical installation and repositioning.
The product listing specifies 24-hour work time, supporting continuous system availability for residential power management and backup applications.
VoltCrave Power can customize relevant system specifications and configurations according to customer requirements, allowing the SR-4000 platform to support different residential backup power projects.
| Parameter | Specification |
|---|---|
| Model | SR-4000 |
| Product Type | Home Backup Power System |
| Power Options | 3000W / 4000W / 5000W |
| Controller Type | MPPT |
| Output Voltage | 110–230V |
| Output Frequency | 50Hz / 60Hz Auto Detection |
| System Options | On-Grid / Off-Grid |
| Application | Home |
| Mounting Type | Ground Mounting |
| Work Time | 24 Hours |
Representative safety, transport and market-compliance documents supporting qualified VoltCrave Power battery solutions for international B2B projects. Certification availability varies by product model and target market — contact VoltCrave Power to confirm the applicable compliance documents for your selected product.
Safety
Market Compliance
Transport
Environmental
Safety Documentation
Cell Safety
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MANUFACTURING
End-to-end custom lithium battery manufacturing — from cell selection and BMS programming to enclosure design, branding, and global certification
Custom LiFePO4 battery enclosure dimensions, colors, terminal layouts, and connector types. Tailor voltage (12V / 24V / 48V) and capacity to your target market requirements.
Full OEM battery branding: laser-engraved logos, custom label nameplates, silk-screened enclosures, and exclusive retail packaging. Your brand, our lithium battery technology.
We assist distributors with CE, UL 1973, IEC 62619, UN38.3, and RoHS compliance for lithium battery imports. Complete technical documentation, MSDS, and test reports included for customs clearance.
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