The 8-cell 3.2V 100Ah LiFePO4 battery pack enables flexible voltage configurations (12V-48V) through series connections, offering 3,000+ cycles and 100% depth of discharge capability. Its modular design provides 10.24kWh energy storage, making it ideal for off-grid solar systems, RVs, and marine applications requiring high safety standards and thermal stability in extreme environments.
Deespaek Battery Energy Density
How Does the 8-Cell Configuration Create Multiple Voltage Options?
By connecting four cells in series (4×3.2V=12.8V), eight cells create two parallel 12V banks. Stacking these achieves 24V (8 cells), 36V (12 cells), and 48V (16 cells). Our grade A cells maintain <0.05V voltage deviation through dynamic balancing, enabling stable 48V 200Ah systems with 98.7% round-trip efficiency when paired with compatible BMS.
| Configuration | Voltage Output | Total Capacity |
|---|---|---|
| 4S2P (8 cells) | 12.8V | 200Ah |
| 8S1P (8 cells) | 25.6V | 100Ah |
| 16S1P (16 cells) | 51.2V | 100Ah |
This flexible architecture allows users to scale systems incrementally while maintaining efficiency. The 2P4S configuration proves particularly effective for solar applications, enabling parallel redundancy that reduces single-point failure risks. When expanding beyond 8 cells, our proprietary bus bar design maintains resistance below 0.2mΩ per connection point, minimizing energy loss during high-current transfers.
What Safety Features Protect These LiFePO4 Battery Packs?
Each cell contains built-in CID (Current Interrupt Device) and burst discs preventing thermal runaway. The UL-certified BMS monitors individual cell temperatures (-20°C to 60°C operating range), implementing 12-layer protection including overcharge (3.65V cutoff), deep discharge (2.5V cutoff), and short circuit protection (0.1ms response time). Flame-retardant PC+ABS enclosures meet IP67 standards for marine environments.
Deespaek 12V 200Ah LiFePO4 Battery
| Protection Layer | Activation Threshold | Response Time |
|---|---|---|
| Overvoltage | 3.65V/cell | <50ms |
| Undervoltage | 2.5V/cell | <100ms |
| Temperature | 70°C | <200ms |
The multi-stage protection system incorporates automatic recovery functions after fault conditions clear. Compression plates between cells absorb vibration energy while maintaining optimal pressure for lithium ion movement. Dual-stage thermal fuses provide redundant overcurrent protection, with the secondary fuse rated for 300A continuous load protection.
Which Applications Benefit Most from Modular LiFePO4 Systems?
Solar installations (5kW+ systems), electric golf carts (48V 100Ah provides 50-mile range), and RV house banks (supports 2,000W inverters for 8+ hours) see maximum benefit. Marine applications leverage the pack’s vibration resistance (MIL-STD-810G) and zero maintenance compared to lead-acid. Telecom backup systems utilize the 10-year calendar life and -20°C charging capability.
How Does Cycle Life Compare to Traditional Battery Technologies?
LiFePO4 offers 3,000-5,000 cycles at 100% DoD versus 500-800 cycles for lead-acid at 50% DoD. Testing shows 91% capacity retention after 2,000 cycles when maintained at 25°C±3°C. The aluminum-shell cells feature 0.3mΩ internal resistance, enabling 2C continuous discharge (200A) with <3% voltage sag at -10°C.
What Maintenance Ensures Peak LiFePO4 Battery Performance?
Quarterly balancing via BMS (0.1mV precision) prevents cell drift. Store at 30-50% SOC in temperatures below 45°C. Use dielectric grease on terminals to prevent corrosion. Recalibrate SOC monthly through full discharge/charge cycles. Our cells maintain <3% self-discharge monthly versus 15-30% in lead-acid batteries.
How to Calculate Runtime for Specific Power Loads?
Runtime (hours) = (100Ah × 48V × 0.9 efficiency) ÷ Load Watts. Example: 1,000W load = (4,800Wh × 0.9)/1,000W = 4.32 hours. For cyclic loads, derate by 20% – 48V 100Ah system safely supports 2,400Wh daily throughput. Use our proprietary runtime calculator app considering temperature derating factors.
Expert Views: Industry Perspectives on Modular Battery Systems
“Modern LiFePO4 configurations revolutionize energy storage through scalability. The 8-cell base unit allows users to start small (12V 100Ah) and expand to 48V 400Ah systems without compatibility issues. Advanced BMS with CAN bus communication enables real-time monitoring of individual cell voltages (±0.5% accuracy) and temperatures (±1°C precision), critical for mission-critical applications.” – Dr. Ethan Zhang, Battery Systems Engineer
Conclusion
This modular LiFePO4 solution provides unparalleled flexibility for renewable energy and mobile power applications. With proper configuration and maintenance, users achieve 10+ years of reliable service across diverse environments, delivering 3-4x greater energy density than traditional alternatives while maintaining strict safety standards through intelligent battery management technology.
FAQs
- Can I mix old and new cells in the battery bank?
- Never mix cells with >20 cycle count difference or >5% capacity variance. Our matched cells undergo 72-hour formation process ensuring ±0.5% capacity matching. Always replace complete parallel groups.
- What inverter size works with 48V 100Ah system?
- Maximum continuous load = 100Ah × 48V × 0.8 = 3,840W. Use 3,000W pure sine wave inverter for safety margin. Surge capacity should handle 6,000W for 500ms.
- How to transport these batteries safely?
- Ship at 30% SOC in UN38.3 certified packaging. Comply with IATA PI 965 Section II for air transport. Ground transport requires Class 9 hazmat labels. Our kits include pre-installed terminal covers and anti-shock foam spacers.