₨ 185,000 ₨ 192,000
The Fronus LD-52 Lithium Battery is a high-performance energy storage solution designed for solar systems, hybrid inverters, UPS applications, and backup power systems. Built with advanced LiFePO4 (Lithium Iron Phosphate) technology, it offers 5.12kWh of energy storage, a 51.2V nominal voltage, and 100Ah capacity, delivering reliable and efficient power for residential and commercial installations.
Equipped with an intelligent Smart Battery Management System (BMS), the LD-52 provides comprehensive protection against overcharging, over-discharging, overheating, overcurrent, and short circuits. This advanced protection system ensures maximum safety, stable operation, and extended battery lifespan under demanding conditions.
The battery is designed for long-term reliability with 6000+ life cycles, making it an excellent investment for solar energy storage. It supports CAN and RS485 communication protocols, enabling seamless integration with most leading hybrid and off-grid solar inverters. The built-in 3.5-inch LCD touchscreen display and WiFi monitoring capability allow users to monitor battery performance, state of charge, and system status in real time.
Its versatile design supports wall-mounted, floor-mounted, and rack-mounted installation, making it suitable for a wide range of energy storage applications. Featuring IP40 protection, natural cooling, and maintenance-free operation, the LD-52 delivers dependable performance while requiring minimal upkeep.
Backed by a 5-Year Replacement Warranty, the Fronus LD-52 Lithium Battery is an ideal choice for homeowners and businesses seeking reliable solar energy storage, load-shedding backup, and off-grid power solutions. Combining high efficiency, smart monitoring, and long service life, it provides dependable power whenever it is needed.
Battery Type |
LFP |
Battery Component |
1P16S |
Nominal Voltage |
51.2 V |
Operating Voltage Range |
42.4 ~ 57.6 V |
Rated Capacity |
100 Ah |
Nominal Energy |
5.12 kWh |
Recommended Current |
100 A |
Max. Current |
Charge: 100 A, Discharge: 135 A |
Peak Current |
200 A (10s, 25°C) |
Cycle Life |
＞6000 Cycles (25℃ ±2℃, 0.2C / 0.2C, 90%DOD, 70%EOL) |
Communication Interfaces |
CAN / RS485 |
HMI |
3.5 inch LCD touchscreen + Status Light + SOC power indicators |
Operation Temperature |
Charge: 0 ~ 55°C, Discharge: -20 ~ 55°C |
Storage Temperature |
-20 ~ 30°C (12 months), 30 ~ 60°C (6 months) |
Single String Quantity |
16 pcs |
Dimension (W x H x D) |
335 x 626 x 169 mm |
Weight |
41.5±1 kg |
Installation Type |
Wall / Floor / Rack mounting |
Enclosure Protection |
IP40 |
Cooling Concept |
Natural cooling |
Humidity |
20 ~ 85% RH (non-condensing) |
Altitude |
<3000 m |
Certification |
IEC 62477, IEC 62619, IEC 60730, IEC 63056, IEC 61000, UN38.3 |
Warranty |
5 Years |
High Capacity Base Battery: 3,600 Wh — enough to power major home appliances, tools, and electronics for extended periods. Expandable up to ~25 kWh with extra batteries and system add-ons.
Long-Life LFP Chemistry: Uses LiFePO₄ battery cells with thousands of cycles of charge/discharge before significant degradation, offering years of reliable use.
Strong AC Output: Up to 3,600 W continuous AC power — powerful enough for refrigerators, power tools, air conditioners, and more.
X-Boost Support: Can increase peak power up to about 4,500 W (single unit) for high-demand devices.
Pair Two Units: Combine two DELTA Pro units for up to 7,200 W output — ideal for whole-home backup with heavy loads.
Various Outputs: Includes AC outlets, USB-A, USB-A fast charge, USB-C, DC5521, car power port, and a high-current Anderson port — versatile for many devices and appliances.
MultiCharge System: Can charge via multiple methods at once (AC wall, solar, EV charger, smart generator) for record-breaking speeds — up to ~6,500 W input combined.
Fast Wall Charging: Fully recharge in roughly 1.9–2.7 hours from a standard AC outlet using X-Stream charging.
Solar Compatibility: Solar input up to ~1,600 W — compatible with most third-party solar panels for renewable charging.
EV Station Charging: Can be charged at EV fast-charging stations — high-speed recharge on the go (varies by region).
Smart Home Integration: Works with an optional Smart Home Panel to integrate with home circuits and provide automatic backup power.
Smart Generator Auto-Start: Supports EcoFlow Smart Generator integration — auto-start when battery is low and stop when charged.
App & Remote Control: Monitor and control power flows, battery status, settings, and charging via the EcoFlow app or remote.
Scalable Capacity: Up to ~25 kWh with additional batteries and system add-ons for long outages or full home power needs.
Modular Setup: Compatible with extra batteries, solar trackers, smart generators, and home panels for a fully customizable power system.
Portable & Heavy-Duty: Built for rugged use — can serve home backup, outdoor jobs, RVs, and off-grid living.
High Safety Standards: Built-in battery management system (BMS) protects against over-voltage, over-current, and temperature extremes.
Whole-home backup power during blackouts — keeps essentials running and integrates with home circuits.
Off-grid living, cabins, RVs, and outdoor projects with high-demand power needs.
Powering heavy appliances like AC units, dryers, refrigerators, and multiple devices simultaneously.
Fast recharge on the go — via AC, solar, or EV charging station.
Expandable renewable energy setups with solar and battery add-ons.
Add Extra Capacity: Adds 1024 Wh of extra battery capacity to your DELTA 2 system, effectively doubling total energy storage to ~2048 Wh for extended runtime.
Durable LFP Battery Chemistry: Built with long-lasting LiFePO₄ cells that maintain 80 %+ capacity after ~3000 cycles, giving an estimated ~10 years of daily use.
Smart Battery Integration: Works seamlessly with the DELTA 2 — the main unit and extra battery charge and discharge in unison for balanced performance.
Fast Recharge: When connected to DELTA 2, can recharge from 0 % to 80 % in about 80 minutes and to 100 % in ~130 minutes (AC input), keeping downtime low.
Multiple Power Inputs (via DELTA 2): Recharge using AC outlets, solar panels, or compatible generators, making it versatile for off-grid and home backup setups.
EcoFlow App Support: View real-time battery status, remaining runtime, charge/discharge data, and more from your smartphone using the EcoFlow app.
LCD Display Info: On-device display shows key metrics like percentage, input/output power, and estimated hours left (varies by retailer model).
Plug-and-Play: No special setup — simply connect to the DELTA 2 power station to expand capacity.
Stackable & Compact: Ergonomic design allows for stacking on top of the DELTA 2 or other units to save space and reduce clutter.
Built-in Battery Management System (BMS) protects against over-voltage, over-current, over-temperature, short circuits, and other electrical risks.
Home Backup Power: Keeps essentials running longer during outages.
Camping & Outdoor Use: Extends run time for off-grid adventures.
Travel & Mobile Deployments: Works well with solar, AC, and generator charging for flexible energy wherever you go.
High Extra Capacity: Adds 4096 Wh of additional energy storage to your DELTA Pro 3 system — effectively increasing usable battery capacity.Scalable Storage: Supports expandable system capacity up to 12 kWh when paired with two extra batteries.
LFP Battery Chemistry: Uses long-lasting LiFePO₄ (LFP) cells for durability, safety, and efficiency.
Long Cycle Life: Designed for ~4000 life cycles to 80 % capacity, giving years of reliable performance.
Plug-and-Play Setup: Easy plug-in installation with the EcoFlow DELTA Pro 3 — no complex wiring required.
Compact & Portable: Relatively compact design for a large-capacity battery, making it suitable for home backup, RV use, or off-grid systems.
LED Display: Built-in LED array display for monitoring status and performance at a glance.
Wi-Fi & Bluetooth Control: Remote monitoring and control via the EcoFlow app when connected with the main DELTA Pro 3 unit.
Wide Temperature Support:
Charging: 0 °C to 45 °C / 32 °F to 113 °F
Discharge: -10 °C to 45 °C / 14 °F to 113 °F
Storage: -10 °C to 45 °C
Built-in BMS: Battery Management System for protection against over-voltage, over-current, temperature extremes, and other issues (typical in EcoFlow LFP batteries).
Designed for EcoFlow DELTA Pro 3: Works seamlessly with the DELTA Pro 3 portable power station.
Stackable Expandability: You can add more than one extra battery to increase total energy storage.
5-Year Warranty: Covered by EcoFlow’s standard warranty for peace of mind.
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