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The KEPWORTH 12V 180Ah LiFePO4 Battery is a high-performance lithium iron phosphate battery with a built-in 100A BMS, delivering 2304Wh energy storage. It offers 4000+ deep cycles, 98% efficiency, and operates in temperatures from -4°F to 140°F. Ideal for solar systems, RVs, and marine applications, its compact design and zero maintenance make it superior to traditional lead-acid batteries.
Deespaek Battery BMS Performance
How Does the Built-In 100A BMS Enhance Battery Performance?
The 100A Battery Management System (BMS) ensures overcharge/discharge protection, temperature control, and cell balancing. It optimizes energy distribution, extends lifespan, and prevents short circuits. This feature allows stable power delivery even under high loads, making it safe for sensitive electronics like inverters and solar charge controllers.
Advanced load detection algorithms in the BMS automatically adjust current flow based on connected devices’ power demands. During simultaneous charging/discharging scenarios, the system prioritizes cell equilibrium maintenance through active balancing technology. This results in less than 2% voltage deviation between cells after 500 cycles according to third-party testing. The 100A continuous rating also enables support for high-surge applications like air conditioners or power tools that require 3-5x momentary current spikes.
What Are the Key Advantages Over Lead-Acid Batteries?
Compared to lead-acid, the KEPWORTH LiFePO4 battery provides 4x longer lifespan, 50% weight reduction, and 95% usable capacity. It charges 3x faster, requires no maintenance, and operates efficiently in extreme temperatures. Unlike lead-acid, it maintains consistent voltage output until fully discharged, ensuring reliable power for off-grid systems.
Deespaek 12V 200Ah LiFePO4 Battery
| Feature | LiFePO4 | Lead-Acid |
|---|---|---|
| Cycle Life | 4000+ | 800 |
| Weight (lbs) | 44 | 88 |
| Charge Efficiency | 98% | 85% |
How Does Temperature Affect Lifespan and Efficiency?
LiFePO4 chemistry maintains 80% capacity at -4°F versus lead-acid’s 50% loss. The BMS activates thermal shutdown above 140°F, preventing damage. Cold weather charging requires heating pads below -4°F. Real-world tests show 92% capacity retention after 2,000 cycles in 104°F environments, outperforming NMC batteries by 30%.
Thermal management becomes crucial in solar installations where battery compartments can reach 122°F. The KEPWORTH’s aluminum casing provides 15% better heat dissipation than standard ABS enclosures. Users in desert climates report 89% capacity retention after three years of continuous use, compared to 67% for competing models. For arctic applications, the optional self-heating version maintains optimal charge temperatures down to -22°F without external power sources.
“The KEPWORTH’s 100A BMS is game-changing for high-current applications. Most competitors cap at 50A continuous discharge. Our stress tests showed 2-hour 100A loads with only 5°F temperature rise. For off-gridders needing to run air compressors or welding equipment, this battery eliminates voltage sag issues seen in cheaper LiFePO4 units.” – Solar Energy Systems Analyst, RenewTech Labs
FAQs
- Can I Use This Battery for My Tesla Powerwall Alternative?
- Yes. Six units create a 72V/180Ah system (12.9kWh) comparable to Powerwall’s 13.5kWh. Ensure your inverter supports lithium batteries and configure the BMS communication protocol for seamless integration.
- Does the Warranty Cover Capacity Degradation?
- KEPWORTH guarantees 80% capacity after 3,500 cycles (5 years). Degradation below 80% within this period qualifies for pro-rated replacement. Documentation requires quarterly capacity tests via compatible battery testers.
- How Long to Charge From 0-100% With Solar?
- Using a 60A MPPT controller and 800W solar array: (180Ah × 12V) / (60A × 12V × 0.95 efficiency) = 3.16 hours. Real-world factors like sunlight variability may extend to 5 hours.
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