renogy|SKU:7695654

Renogy 48V 50Ah Smart LiFePO4 Battery with Self-Heating

Reliable 48V LiFePO4 Storage for Grid-Independent Systems

4,500+ Cycle Lifespan — Lasts over a decade at daily use
Self-Heating to 41°F — Charges reliably in freezing conditions
Dual-Processor BMS — Balanced cell voltage under load fluctuation
RS485 Real-Time Monitoring — Track charge status via Bluetooth or screen
Parallel Auto-Balancing — Connect multiple batteries with improved efficiency
  • FREE System Design Consultation -- Our engineers size your battery bank for your actual consumption
  • FREE Shipping -- Ships free, including LTL freight on large orders
  • Compatibility Guarantee -- Pre-vetted to work within your 48V system architecture

$1,359.95

Out of stock

In the box

  • Renogy 48V 50Ah Smart LiFePO4 Battery
  • User documentation
Renogy 48V 50Ah Smart Lithium Iron Phosphate Battery
Renogy 48V 50Ah Smart LiFePO4 Battery with Self-Heating
$1,359.95

Reliable 48V LiFePO4 Storage for Grid-Independent Systems

This Renogy 48V 50Ah Smart Lithium Iron Phosphate Battery is built-to-survive harsh conditions with an intelligent self-heating function that activates automatically below 41°F. With over 4,500 rated cycles and a 50A maximum discharge current, it delivers consistent off-grid energy storage for homesteads, cabins, and backup systems. The dual-processor BMS maintains balanced cell voltage and resists load fluctuations, while RS485 communication ports give you real-time monitoring capability. Backed by a five-year warranty, this field-tested LiFePO4 battery is designed for serious energy independence.

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5-Year Warranty
Self-Heating to 41°F
Dual-Processor BMS
RS485 Monitoring
4,500+
Rated Life Cycles
48V
Nominal Voltage
50A
Max Discharge Current
Cold Weather Won't Kill Your Battery Bank

Cold Weather Won't Kill Your Battery Bank

Most lithium batteries refuse to charge when temperatures drop, leaving your off-grid system dead exactly when winter demands it most. That is the kind of failure that costs real money and real frustration. This Renogy 48V battery solves that with intelligent self-heating that activates automatically below 41°F, keeping your battery bank charging in conditions that shut down standard LiFePO4 cells. At Off Grid Vault, we only carry batteries we would install on our own cabins — and this self-heating capability is exactly why this unit made the cut. Your grid-independent system stays operational through deep winter, not just fair weather.

4,500 Cycles Means a Decade of Real Use

4,500 Cycles Means a Decade of Real Use

A battery bank is not an expense — it is an investment with a calculable return. This 48V 50Ah LiFePO4 unit delivers over 4,500 cycles before reaching 80% capacity, translating to more than ten years of daily use in a typical off-grid setup. The 50A maximum discharge current handles substantial loads without straining the cells. Renogy backs this with a five-year warranty, and as an authorized dealer, Off Grid Vault handles warranty claims directly — no ticket queue, no runaround. You are buying a battery that outlasts the payback period on your solar system, not one that needs replacing in three years.

Dual-Processor BMS With Real-Time Monitoring

Dual-Processor BMS With Real-Time Monitoring

The upgraded battery management system uses dual high-performance processors to resist load fluctuation while maintaining balanced voltage across all cells. Low temperature charging protection halts charging below 0°C, and discharging stops below -20°C — your cells stay protected even in extreme cold. For parallel configurations, the auto-balancing function improves average charging efficiency across multiple batteries over extended use. RS485 communication ports enable real-time monitoring of charge status when paired with a BT-2 Bluetooth Module or Renogy Monitoring Screen. You see exactly what your battery bank is doing, not guesswork — the data you need to keep your grid-independent system running at peak performance.

System Compatibility

Confirm these conditions before adding this battery to your bank.

  • Your inverter or charge controller accepts 48V DC battery input
  • Your system continuous load does not exceed 50A discharge
  • Your battery enclosure provides adequate ventilation and available

Where This Battery Performs

Designed for permanent off-grid installations where cold weather and long-term reliability are non-negotiable.

Off-Grid Homes
Remote Cabins
Emergency Backup Banks
Solar Energy Storage

Full specifications

At a glance

Dimensions
See product page
Power
48V
Surface
See product page
Warranty
5 years
Full specifications13 data points across 4 categories

Dimensions

Overall DimensionsSee product page
WeightSee product page

Power & Performance

ChemistryLithium Iron Phosphate (LiFePO4)
Nominal Voltage48V
Capacity50Ah
Max Discharge Current50A
Rated Life Cycles4,500+ (reducing to 80% capacity after 4,500 cycles)
CommunicationRS485
Self-Heating ActivationBelow 41°F (5°C)
Low Temp Charging CutoffBelow 0°C
Low Temp Discharging CutoffBelow -20°C

Materials

Casing MaterialSee product page

Compliance & Warranty

Warranty5 years

The Off Grid Vault Promise

Every product we carry is vetted for real-world performance. If it doesn't meet our standards, it doesn't make the cut.

Free ShippingShips free on all orders — no minimums, no fine print, no surprise freight charges.
30-Day Performance GuaranteeIf it doesn't perform as specified, we make it right. Uninstalled returns accepted within 30 days in original packaging.
Free System Design ConsultationOur engineers size your system for your actual consumption — no guesswork, no incompatible components.

Renogy 48V 50Ah Smart Lithium Iron Phosphate Battery 

Highlights:

  • Uncompromising Quality – Renogy’s latest 48V battery delivers a breakthrough in quality by offering an exceptional lifespan of more than 4500 cycles (reducing to 80% capacity after 4500 cycles), a 50A maximum discharge current, and most importantly, an extensive five year warranty.
  • Self-Heating Function – The intelligent self-heating function will start operating automatically once the battery’s core temperature drops below 41°F (5°C), effortlessly keeping your battery charged in cold environments.
  • Reliable BMS System – The upgraded battery management system (BMS) with high performance dual-processors provide load fluctuation resistance while maintaining balanced voltage across all cells.
  • Low Temperature Protection Function – The lithium battery has low temperature charging and discharging protection function. When the temperature is below 0℃, it will stop charging. When the temperature is below -20℃, it will stop discharging.
  • Auto-balancing Function – Easily connect multiple batteries in parallel with the auto-balancing function to improve the average charging efficiency of your batteries over extended use.
  • Real-time monitor – Featuring advanced RS485 communication ports—your batteries will be able to communicate with each other, external devices and host computers allowing you to monitor the charging status in real-time. (A BT-2 Bluetooth Module or Monitoring Screen is needed).

Description:

The latest 48V Renogy Lithium Iron Phosphate Battery is taking the smart batteries to the next level. With built-in intelligent self-heating, you can keep your battery charged in cold environments effortlessly. The 48V nominal voltage ensures more than 4500 life cycle, low heat generation and high efficiency during high power transmission. The modular design easily scales to meet a range of configurations—making it improve the average charging efficiency for your batteries in the long term. The state-of-the-art battery management system (BMS) enables comprehensive protection features and real-time monitoring.

With the highest safety standards and five years of prorated warranty, your Renogy battery is the smart point for the future of your amazing off-grid living experience.

48V 50Ah Smart Lithium Iron Phosphate Battery
Remarkable BMS
With a single cell temperature measurement discrepancy of ±1℃ and voltage measurement discrepancy of ≤5mV, the new Renogy 48V LiFePO4 is our most reliable battery yet. Powered by an upgraded intelligent BMS circuit, the Renogy 48V LiFePO4 battery is resistant to load and temperature fluctuations.
48V 50Ah Smart Lithium Iron Phosphate Battery
Auto-Balancing Function
After extended use, the battery’s chemical composition will start to deteriorate, and the over-voltage protection function will be triggered more often, stopping it from fully charging. However, the latest Renogy auto-balancing function ensures that all internal battery pouches charge consistently, improving your battery’s charging efficiency and extending its service life.
48V 50Ah Smart Lithium Iron Phosphate Battery
Superior Quality
This battery has smashed the free drop test,ElectroMagnetic Compatibility testing, forced overcharge/discharge test,and crash test. With more than 4,500 cycles, a minimum 10 year life span, it’s everything a quality battery should be.
48V 50Ah Smart Lithium Iron Phosphate Battery
Charge anytime, anywhere
Meet our revolutionary self-heating function. This technology allows you to charge your batteries in cold environments effortlessly. When connected to an input, the self-heating function will start operating automatically once the battery temperature drops below 41°F(5°C).
48V 50Ah Smart Lithium Iron Phosphate Battery
Built-in Activation Switch
Say goodbye to the old external switch connector. With a built-in switch button, activating and de-activiting the battery can all be done with one touch. This will minimise the battery’s internal power consumption. Not to mention, you can avoid electrical sparks when installing your solar system by being able to control the de-activation process yourself.
48V 50Ah Smart Lithium Iron Phosphate Battery
Real-time Monitoring
With the improved RS485 UP Communication Port, your batteries will be able to communicate and transfer data in real time. Using a Renogy Bluetooth Module BT2 export the data into comprehensible information streamed straight to your cell phone, or watch it live with a Renogy monitoring screen.

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About renogy Lithium Battery

renogy is a trusted manufacturer of premium lithium battery. OffGridVault is an authorized dealer offering the full renogy lineup with free delivery, price match guarantee, and expert support.

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