lithium battery 48v 200ah 250Ah 300Ah whole house backup – BT51200C

Why homeowners & installers choose it

• At-a-glance status: A personalized LED “breathing” light and front LED display give a clear, family-friendly view of battery state at a glance.
• Safe, long-life LFP: BYD cells, ≥5000 cycles @100% DoD (0.2C, 25°C) with full BMS protections (over-charge / over-discharge / over-current / short-circuit / over-temperature).
• Installer-friendly 48V platform: Wide 44.8–58.4V operating window, 56.0V float; M8 terminals and cell equalizer 1–5A help maintain pack balance.
• Whole-home ready: Pair with your preferred hybrid/off-grid inverter to build a residential energy storage system (multi-socket distribution, app/Wi-Fi optional, EMS integration).
• Compliance & safety: UN38.3, MSDS, IP20, designed for 0–95% RH (no condensation) and −10°C to +50°C operation.

Application Scenarios

🏡 Residential Solar Battery Systems

• Solar Battery Backup for Residential Homes: Store excess solar energy for nighttime use
• Residential Solar Battery Storage Systems: Complete integration with solar installations
• Battery Storage for Residential Solar: Maximize solar investment returns
• Residential Solar Battery Bank: Multiple unit configurations for larger homes

⚡ Home Backup Power Solutions

• Battery Backup for Residential Home PV System: Seamless power during outages
• Residential Battery Backup Solar Systems: Uninterrupted power supply
• Home Energy Storage System Battery: Essential load backup power
• Powerwall Home Battery Backup: Tesla Powerwall alternative solution

🔋 Energy Management Systems

• Residential Energy Storage System: Peak shaving and load management
• Home Solar Energy Storage System: Smart energy optimization
• Household Energy Storage System: Family electricity cost reduction
• Residential Photovoltaic Energy Storage System: Complete renewable energy solution

As a residential battery energy storage system manufacturer & supplier in China, we support OEM/ODM, custom branding, protocol mapping and accessories—ideal for wholesale residential energy storage system projects and local residential solar battery providers.

Ideal for: distributors, EPCs, solar installers, and retailers seeking a customized residential energy storage system or residential energy storage battery cabinet solution.