48V 400Ah high capacity residential backup
FNS Power 19.2 kWh Low Voltage Battery Bank
Build a reliable 19.2 kWh Low Voltage Battery Bank with four FNS Power 48V 100Ah LiFePO4 modules. Engineered with cobalt-free chemistry for ultimate safety, this rack-mountable system offers 98% round-trip efficiency and an impressive 6000-cycle deep discharge lifespan. The integrated intelligent BMS provides real-time monitoring and automatic cell balancing. Fully certified (UL1973, UL9540A, IEC62133) and compatible with major industry inverters, it is the perfect choice for robust off-grid solar, demand charge reduction, and uninterrupted emergency power supply. Includes a 10-year warranty.
Configured from four 48V 100Ah LiFePO4 modules
The 19.2 kWh Low Voltage Battery Bank is a high-capacity residential backup configuration built around four FNS Power 48V 100Ah deep-cycle LiFePO4 modules. It is designed for larger home backup loads, off-grid solar systems, demand charge reduction, and uninterrupted emergency power supply.
Intelligent BMS
Integrated intelligent BMS provides real-time monitoring, automatic cell balancing, and stable operation across the battery bank.
Cobalt-free safety
LiFePO4 chemistry supports safer deep discharge cycling for robust residential and off-grid energy storage.
High-capacity backup
Four-module capacity gives project buyers more room for essential loads, demand reduction, and longer backup duration.
- High capacity residential backup
- Off-grid solar
- Demand charge reduction
- Emergency power supply
- 48V LiFePO4 storage
- Rack-mountable system
System configuration summary
Use this page as the configuration-level hub for a 19.2 kWh residential low-voltage battery bank. Final design should be confirmed by inverter protocol, rack/cabinet layout, backup time target, and local certification requirements.
| Battery bank type | 19.2 kWh low voltage LiFePO4 battery bank for high capacity residential backup |
|---|---|
| Typical configuration | Four 48V 100Ah modules, equivalent to 48V 400Ah nominal configuration |
| Chemistry | Safe cobalt-free lithium iron phosphate for deep discharge operation |
| BMS | Integrated intelligent BMS with real-time monitoring and automatic cell balancing |
| Efficiency and cycle life | 98% round-trip efficiency and 6000-cycle deep discharge lifespan |
| Compatibility | Compatible with major industry low-voltage inverters, subject to protocol confirmation |
| Certifications | UL1973, UL9540A, and IEC62133 referenced from the 48V 100Ah module documentation |
| Warranty | 10-year warranty |
Buyer checklist for high-capacity residential backup
A 19.2 kWh battery bank is often selected when the home or small facility needs longer runtime, more robust off-grid capability, or peak demand support.
Best-fit scenarios
- Robust off-grid solar and larger residential backup systems.
- Demand charge reduction where batteries support peak periods.
- Uninterrupted emergency power supply for essential loads.
- Installations that need high capacity without a high-voltage platform.
Confirm before ordering
- Inverter brand, low-voltage range, and communication protocol.
- Backup loads, peak power, and desired autonomy hours.
- Rack/cabinet space, ventilation, cable routing, and protection design.
- Certification documents, warranty terms, and future expansion plan.
Related pages for internal navigation
These links connect the 19.2 kWh page to the smaller battery bank configurations and underlying 48V module topic cluster.
FAQ
Why is it called 19.2 kWh?
It is typically configured from four 48V 100Ah modules. Each module is about 4.8 kWh, giving a 19.2 kWh nominal battery bank.
Is it suitable for demand charge reduction?
Yes. When paired with a compatible inverter and controls, the battery bank can support peak-period load reduction.
Can it support off-grid solar?
Yes. It is suitable for robust off-grid solar when charging sources, inverter capacity, and load profile are properly sized.
Plan a 19.2 kWh high-capacity battery bank
Send your inverter model, backup loads, demand reduction target, and installation region. FNS Power can help confirm the right 48V battery bank configuration.
Document-checked product data
19.2 kWh Low Voltage Battery Bank: verified parameters and buyer-ready positioning
| Core configuration | Low-voltage battery bank configured from 4 x 48V 100Ah LFP modules. |
|---|---|
| Chemistry / technology | LiFePO4 prismatic cells with built-in BMS |
| Nominal voltage | 48V class |
| Capacity / energy | 19.2 kWh; typically 4 x 48V 100Ah modules at about 4.8kWh nominal each |
| Power rating | Battery bank only; inverter power depends on the paired inverter and BMS current limits |
| Scalability | Built from the 48V 100Ah module platform; module-level documentation supports up to 32 units in parallel |
| Cycle life / efficiency / warranty | 6,000 cycles at 80% DOD, 0.5C; 98% RTE; 10-year limited warranty |
| Certifications / standards | UL1642, UL1973, UL9540A, IEC62133, UN38.3 |
| Communications / monitoring | RS485, CANbus, Modbus/SNMP/TACP; remote wireless DTU monitoring |
| Protection / enclosure | BMS protection against over/under-voltage, high current, short circuit and temperature extremes |
| Primary applications | Off-grid solar, grid backup, self-consumption, TOU, zero export, demand charge management, UPS, telecom, RV, marine |