US3000C
Compact · LiFePO₄ · 48V
- Capacity3.5 kWh
- Voltage48 V
- Cycles6000+
- Weight32 kg
Portable Wireless Bluetooth Speakers
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Solar Ready
LiFePO4 Technology
BMS Protected
10 Year warranty
MODEL RockArk
US3000
Enhanced C-series with upgraded BMS and improved thermal management. The definitive choice for high-cycle commercial solar installations.
LiFePO4 chemistry isn't new — but doing it right is rare. Litrium sources only Grade-A prismatic cells with rigorous BMS integration, so every battery we ship is ready for real-world conditions from day one.
THREE BATTERIES. ONE STANDARD.
US5000
Workhorse · LiFePO₄ · 48V
- Capacity4.8 kWh
- Voltage48 V
- Cycles6000+
- Weight39.7 kg
US5000C
Next-gen · LiFePO₄ · 48V
- Capacity4.8 kWh
- Voltage48 V
- Cycles6000+
- Weight40 kg
Why Choose Us
ENGINEERED
ENGINEERED
FOR EXTREMES.
LiFePO4 chemistry isn't new — but doing it right is rare. Litrium sources only Grade-A prismatic cells with rigorous BMS integration, so every battery we ship is ready for real-world conditions from day one.
-
Grade-A Prismatic Cells No recycled or B-grade cells, ever. Every module is built from factory-fresh LiFePO4 cells.
-
Multi-layer BMS Protection Overcharge, over-discharge, short circuit, and thermal runaway protection built in.
-
Stackable & Scalable Connect multiple units in parallel to scale your storage from 5kWh to 50kWh seamlessly.
-
Solar-Optimized Compatible with leading inverter brands including Victron, SMA, Growatt, Deye, and more.
-
Wide Temperature Range Operates reliably from -20°C to 60°C for hot climates and cold winters alike.
6,000+
Charge Cycles
At 80% depth of discharge — that's over 16 years of daily cycling at its rated performance.
99.5%
Round-Trip Efficiency
More energy in, more energy out.
IP65
Ingress Protection
Dust-tight and water resistant.
10YR
Warranty
Full manufacturer warranty coverage.
Technical Specifications
SIDE BY SIDE
SIDE BY SIDE
COMPARISON
| Specification | US5000 | US5000C | US3000C |
|---|---|---|---|
| Capacity | 5.12 kWh | 5.12 kWh | 3.55 kWh |
| Nominal Voltage | 51.2V | 51.2V | 51.2V |
| Chemistry | LiFePO4 | LiFePO4 | LiFePO4 |
| Cycle Life (80% DoD) | 6,000+ | 6,000+ | 6,000+ |
| Max Charge Current | 100A | 100A | 74A |
| Max Discharge Current | 100A | 100A | 74A |
| Operating Temp. | -20°C ~ 60°C | -20°C ~ 60°C | -20°C ~ 60°C |
| IP Rating | IP65 | IP65 | IP65 |
| Communication | CAN / RS485 | CAN / RS485 | CAN / RS485 |
| Stackable (Parallel) | ✓ Up to 16 | ✓ Up to 16 | ✓ Up to 16 |
| Built-in BMS | ✓ | ✓ | ✓ |
| C-Series Enhanced BMS | — | ✓ | ✓ |
| Design Life | 10 Years | 10 Years | 10 Years |
| Warranty | 10 Years | 10 Years | 10 Years |
Explore Audio Speakers
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Portable Collections
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