The JN 48V LiFePO4 battery series (50Ah–300Ah) is designed for solar systems with features like Bluetooth monitoring, parallel connectivity, and compatibility with 3000W–6000W inverters. Its lithium iron phosphate chemistry ensures safety, longevity (3,000–5,000 cycles), and high energy density, making it ideal for off-grid and hybrid solar setups requiring scalable, low-maintenance power storage.
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How Does the JN 48V LiFePO4 Battery Compare to Lead-Acid Alternatives?
JN 48V LiFePO4 batteries outperform lead-acid in cycle life (3x longer), depth of discharge (90% vs. 50%), and charge efficiency. They’re 70% lighter, require zero maintenance, and deliver stable voltage under heavy loads, reducing inverter strain. Though upfront costs are higher, their lifespan and performance justify the investment for long-term solar energy storage.
What Are the Key Specifications of the JN 48V Battery Series?
The series includes 50Ah–300Ah models with 48V nominal voltage, 150A continuous discharge, and Bluetooth 5.0 for real-time monitoring. Cells use Grade A LiFePO4 chemistry, achieving 3,000–5,000 cycles at 80% depth of discharge. Operating temperatures range from -20°C to 60°C, with IP65 protection for dust/water resistance in solar installations.
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How Does Bluetooth Connectivity Enhance Solar System Performance?
The integrated Bluetooth module allows users to track voltage, current, temperature, and state of charge via smartphone apps. This enables proactive maintenance, load optimization, and early fault detection. For parallel configurations, synchronized monitoring prevents imbalances between battery packs, ensuring efficient energy distribution across 3000W–6000W inverters.
Advanced Bluetooth features include historical data tracking through charge/discharge cycles, which helps users identify patterns in energy consumption. The app sends push notifications for abnormal voltage fluctuations (±2V from nominal) or temperature spikes exceeding 55°C. For commercial installations, multiple batteries can be monitored simultaneously through group profiles, simplifying management of 10+ battery arrays. This connectivity also enables remote firmware updates that enhance battery management system (BMS) responsiveness to seasonal changes in solar input.
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| Feature | JN 48V LiFePO4 | Standard Lead-Acid |
|---|---|---|
| Cycle Life | 3,000-5,000 | 500-1,200 |
| Weight (300Ah model) | 62 lbs | 210 lbs |
| Charge Time (0-100%) | 3 hours | 8+ hours |
What Safety Features Protect the JN 48V LiFePO4 Battery?
Protections include overcharge/over-discharge cutoff, short-circuit resistance, and multi-layered BMS with temperature sensors. The flame-retardant casing and thermal runaway prevention ensure stability even at 60°C. Passive balancing extends cell longevity, while IP65 rating guards against environmental hazards in outdoor solar setups.
The battery’s 16-layer protection system features three independent safety mechanisms: mechanical (pressure relief vents), electrical (MOSFET disconnect), and chemical (stable LiFePO4 cathode material). Its BMS continuously monitors individual cell voltages with ±0.02V precision, automatically initiating balancing when deviations exceed 0.2V. For extreme conditions, the thermal management system can reduce charge rates by 50% at -10°C or 55°C, preventing electrolyte degradation. These features meet UL 1973 certification standards for stationary storage applications.
“The JN 48V series redefines scalability in solar storage. Its seamless parallel capability and Bluetooth diagnostics eliminate traditional pain points like manual balancing and guesswork maintenance. For off-grid systems, the 300Ah model paired with a 6000W inverter can reliably power entire households—something lead-acid can’t achieve without excessive space and weight penalties.”
— Solar Industry Engineer
FAQs
- How Long Does the JN 48V 300Ah Battery Last Daily?
- With a 6000W inverter and 90% DoD, the 300Ah model delivers 14.4kWh, powering a 3kW load for 4.8 hours. In solar systems, daily cycling at 80% DoD ensures 10+ years of service.
- Does the JN Battery Support Generator Charging?
- Yes, via inverter/charger combos. Set the generator to supply AC power to the charger, which converts it to 58.4V DC. The BMS auto-limits charge current to 0.5C (150A for 300Ah), preventing generator overload.
- Are These Batteries Compatible with Tesla Powerwall Systems?
- No, they operate on different voltage architectures. However, JN 48V batteries can parallel with compatible third-party LiFePO4 units using the same BMS protocol for hybrid setups.