LFP100-12.8 lifepo4 100ah lithium battery for solar backup
Lead-to-Lithium Battery Upgrade | 12.8V 100AH | 1280Wh | Drop-in Replacement
When it comes to solar backup systems, GRANKIA LFP100-12.8 LiFePO4 100Ah lithium battery is the ideal solution for reliable energy storage. The design of this high-performance lithium-ion battery offers long-lasting power. It ensures maximum efficiency for solar energy systems. Whether you’re looking to power your home, business, or off-grid applications, it provides the solution. With advanced lithium iron phosphate (LiFePO4) technology, the LFP100-12.8 LiFePO4 battery offers excellent energy density, safety, and reliability.
The 12v 100ah lithium battery features a low self-discharge rate, allowing it to retain its charge for extended periods when not in use. This characteristic makes it ideal for seasonal applications or backup power systems that may not be used frequently.
Why Choose 100Ah Lithium Battery for Solar Backup?
When designing a solar ecosystem, the 100ah lithium battery is often the “sweet spot” for capacity versus cost. Here is why the LFP100-12.8 is the superior choice:
100% Depth of Discharge (DoD)
Unlike lead-acid batteries which should only be discharged to 50% to preserve lifespan, this LiFePO4 battery allows you to utilize nearly 100% of its capacity. This means you get double the usable energy compared to a 100Ah lead-acid battery.
Constant Power Delivery
It maintains a steady voltage throughout the discharge cycle. Your appliances run at peak efficiency until the battery is truly empty, avoiding the “dimming lights” effect common with aging lead-acid units.
Built-in Smart BMS
The integrated Battery Management System protects the cells against overcharging, over-discharging, short circuits, and extreme temperatures. This “plug-and-play” safety feature eliminates the need for complex external monitoring.
Scalability
LiFePO4 lithium battery for solar energy support series and parallel connections. This allows you to scale your system from 12V to 24V or 48V. You can also add more capacity by connecting multiple 100Ah lithium batteries in parallel.
Fast Charging and High Efficiency
This lithium battery charges quickly, allowing you to store solar energy efficiently. The LFP100-12.8 deep cycle lithium battery offers high efficiency during both charge and discharge cycles. Efficiency is as high as 98%. This ensures minimal energy loss. It also provides faster turnaround times when accessing stored energy.
Typical Applications
The LFP100-12.8 100Ah lithium battery is versatile and can be used in various applications, including:
- Home Solar Backup Systems: Store excess solar energy during the day to power your home at night or during power outages.
- Off-Grid Solar Solutions: Perfect for off-grid homes and cabins that rely entirely on solar power for their energy needs.
- Commercial Solar Projects: Provides reliable backup power for commercial establishments, ensuring they maintain operations even during power disruptions.
- RV and Marine Solar Systems: Ideal for RVs, boats, and other mobile solar setups that need reliable power storage.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | LFP100-12.8 |
| Battery Type | LiFePO4 (Lithium Iron Phosphate) |
| Nominal Voltage | 12.8V |
| Capacity | 100Ah |
| Energy | 1280Wh |
| Cycle Life | 6000+ cycles |
| Charging Voltage | 14.4V – 14.6V |
| Discharge Cut-off | 10V |
| Weight | 11.5 kg |
| Protection | Built-in BMS |
Benefits for Solar Backup Systems
Improved ROI
Higher usable capacity and longer life reduce replacement costs versus lead-acid batteries.
Consistent Backup Power
Maintains stable voltage under load for reliable inverter performance.
Faster Recharge from Solar
Accepts higher charge rates to make better use of daytime solar production.
Lower Maintenance
No watering or equalization required.
Environmental Advantage
Non-toxic chemistry and longer lifetime reduce environmental impact.
Installation and Maintenance Tips
To ensure the longevity of your 100ah lithium battery, follow these guidelines:
Charging Voltage
Ensure your solar charge controller is set to the LiFePO4 profile (typically a charging voltage of roughly 14.4V – 14.6V).
Temperature Awareness
While these batteries perform well in heat, generally avoid charging them below 0°C (32°F) unless the unit has built-in low-temperature cutoff protection.
Storage
If storing for long periods, keep the battery at roughly 50-80% charge and disconnect the terminals to prevent parasitic drain.
FAQ
Q1: How long does the 12.8V LiFePO4 lithium battery 100ah last?
A1: The LiFePO4 100Ah offers an impressive 2,000+ charge cycles, which means it can last for many years, depending on your usage. With proper maintenance and care, the battery can provide reliable power for over a decade.
Q2: Can the 12v 100ah lithium ion battery be used for off-grid solar applications?
A2: Yes, the LFP100-12.8 12v 100ah lithium ion battery is perfect for off-grid solar systems. It has high energy storage capacity. It also boasts a long cycle life. This makes it an ideal choice for homes, cabins, and RVs. It is perfect for other off-grid installations where consistent and reliable energy storage is needed.
Q3: What is the difference between a 12V 100Ah lead-acid and a 12V 100Ah lithium battery?
A3: The primary difference is usable capacity and weight. The lithium battery provides nearly double the usable energy due to 100% DoD. It weighs about 60-70% less than its lead-acid counterpart.
Q4: Can I replace my lead-acid battery with this 100Ah lithium battery directly?
A4: In most cases, yes. The LFP100-12.8 is designed as a “drop-in” replacement. However, you must ensure your charger or solar controller is compatible with Lithium Iron Phosphate chemistry (specifically the voltage settings).
Q5: Can I connect multiple lifepo4 12v 100ah batteries together?
A5: Yes, the LFP100-12.8 lifepo4 12v 100ah battery allow for parallel connections to increase capacity (e.g., two batteries for 200Ah) or series connections to increase voltage (e.g., two batteries for 24V), depending on the specific model’s manual.
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| Model | LFP100-12.8 |
| Electrical Characteristics | |
| Rate voltage(VDC) | 12.8 |
| Rate capacity(AH) | 100 |
| Energy storage(WH) | 1280 |
| Cycle life | 3000 cycles @80% DOD, 1C |
| Months self discharge | ≤2% |
| Charge | |
| Charge voltage (VDC) | 14.6-15.2 |
| Charge current (A) | 30 |
| Max. charge current(A) | 100 |
| Charge cut-off voltage(VDC) | 14.6±0.2 |
| Discharge | |
| Discharge current (A) | 50 |
| Max. discharge current (A) | 100 |
| Discharge cut-off voltage(VDC) | 10 |
| Environment | |
| Charge temperature | 0 ℃ to 45℃ @60±25% RH |
| Discharge temperature | -20 ℃ to 60℃ @60±25% RH |
| Storage temperature | 0℃ to 40 ℃ @60±25% RH |
| Mechanical | |
| IP class | IP20 |
| Chemistry | Lithium Iron Phosphate (LiFePO4) |
| Case material | ABS |
| Dimensions L*W*H(mm) | 330x172x222 |
| Weight(kg) | 11.5 |
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