₨ 0
The KNOX Powerwall 3.1 (25.6V 100Ah) Lithium Battery is a compact and high-performance energy storage solution designed for residential solar systems, UPS backup, hybrid inverters, and off-grid applications. Built with premium REPT Grade-A LiFePO4 prismatic cells, it delivers 2.56kWh of energy storage, combining superior safety, long service life, and reliable daily performance. Its low-voltage 25.6V architecture makes it an ideal and safe choice for home energy storage systems.
The battery is equipped with an advanced PACE Intelligent Battery Management System (BMS) that continuously monitors battery health and provides protection against overcharging, over-discharging, overcurrent, overheating, low-temperature conditions, and short circuits. This intelligent protection system ensures stable operation and maximizes battery lifespan.
Designed for long-term reliability, the KNOX Powerwall 3.1 offers more than 6000 charge and discharge cycles and a design life of up to 10 years. The battery features a 4.3-inch Touch LCD Display that provides real-time monitoring of voltage, capacity, temperature, alarms, and operating status. With RS485 and CAN communication ports, it integrates seamlessly with most leading hybrid and off-grid solar inverters.
Its elegant wall-mounted Powerwall design saves installation space while maintaining a modern appearance. The battery also supports parallel expansion of up to 8 units, allowing users to increase energy storage capacity as their power requirements grow. With an IP20-rated enclosure, wide operating temperature range, and maintenance-free operation, it provides dependable performance in various environments.
Backed by a 5-Year Replacement Warranty, the KNOX Powerwall 3.1 25.6V 100Ah Lithium Battery is an excellent choice for homeowners and businesses seeking efficient solar energy storage, uninterrupted backup power, and long-lasting performance. Its combination of advanced LiFePO4 technology, smart monitoring, high safety standards, and expandable design makes it a reliable energy storage solution for modern power systems.
| Category | Specification |
|---|---|
| Brand | Knox |
| Series | Powerwall |
| Model | LIO 2.66-IP20 |
| Battery Type | Lithium-ion (LiFePO4) |
| Cell Type | REPT Prismatic Cells |
| Nominal Voltage | 25.6V |
| Nominal Capacity | 100Ah |
| Total Energy | 2.56kWh (2560Wh) |
| Usable Energy | ≥ 95% |
| Max Charging Current | 100A |
| Max Discharging Current | 100A |
| Peak Discharge Current | 120A (2 seconds) |
| Charging Voltage Range | 27.6V – 28.8V |
| End of Discharge Voltage | 22V |
| Cycle Life | > 6000 cycles |
| Design Life | 10 Years |
| Battery Management System | PACE Intelligent BMS |
| Parallel Expansion | Up to 8 Units |
| Series Connection | Not Supported |
| Communication Ports | RS485, CAN |
| Display | 4.3” Touch LCD |
| Protection Level | IP20 |
| Mounting Type | Wall-Mounted |
| Operating Temperature (Charge) | 0°C to +55°C |
| Operating Temperature (Discharge) | –20°C to +55°C |
| Humidity Range | 0–95% (Non-Condensing) |
| Dimensions (W × D × H) | 395 × 470 × 160 mm |
| Weight | 28 kg |
| Warranty | 5 Years |
| Certifications | IEC62619, UL1973, UL9540A, CE, ROHS, UN38.3, MSDS |
1024 Wh built-in capacity — enough to power devices for hours or support essential appliances during outages.
Expandable Energy Storage — supports adding one DELTA 2 Extra Battery or DELTA Max Extra Battery to expand capacity up to ~3072 Wh.
Durable LiFePO₄ Battery Chemistry — long lifespan with ~3000+ cycles to 80 % capacity (~10 years of regular use).
Advanced Battery Management System (BMS) — protects against overload, overheating, and other risks.
1800 W Pure Sine Wave AC Output — can run most home appliances, power tools, and electronics.
X-Boost Technology — boosts output for heavier loads up to ~2200–2400 W.
Multiple Outlets & Ports — versatile outputs include AC outlets, USB-A, USB-A fast charge, USB-C (100 W), DC5521, and a car power port for broad device compatibility.
Auto EPS/UPS Switch — automatic switch to battery power during grid outages for essential devices.
X-Stream Fast Charging (AC) — charges from 0 % to ~80 % in ~50 minutes and 100 % in ~80 minutes (AC).
Solar Charging Ready — supports up to 500 W solar input with MPPT for efficient green charging.
DC & Car Charging — supports vehicle charging (12 V/24 V) and DC input for extra flexibility.
App Control — monitor power use, set schedules, and adjust settings from your smartphone via Wi-Fi or Bluetooth.
Part of EcoFlow Ecosystem — integrates with EcoFlow solar panels, extra batteries, and accessories like portable air conditioners or other devices.
Home Backup-Ready — can be used as a plug-and-play backup power system with partial home integration.
Lightweight for Its Class (~27 lb / 12 kg) — portable enough for outdoor trips, RVs, job sites, and emergency kits.
Safe for Indoor Use — emission-free, quiet, and clean compared with gas generators.
✔ Home emergency backup during blackouts or power cuts.
✔ Camping, RV, and outdoor adventures — power devices off-grid.
✔ Running appliances & tools requiring moderate power.
✔ Mobile work setups — charge laptops, phones, cameras, and more.
Generous 768 Wh Capacity — ample energy to run a wide range of devices on the go.
Long-Life LiFePO₄ Battery Chemistry — long service life with 3000+ cycles to 80%+ capacity (≈10 years of daily use).
TÜV Rheinland Certified Safety — one of the first portable power stations with this independent safety certification.
Pure Sine Wave AC Output — 800 W continuous, 1600 W surge with X-Boost mode to run up to ~80% of common household appliances (e.g., mini fridges, power tools).
Multiple Output Types — AC outlets, USB-C (100 W), USB-A, DC, DC5521, and car (12 V) outputs for flexible device charging.
Ultra-Fast AC Charging — charges from 0 % to 100 % in about 70 minutes (up to ~940 W input).
Solar Recharge Ready — supports solar panel input up to 220 W via MPPT, offering ~1.8 kWh energy per day from solar.
Car & USB-C Charging — can be charged from a vehicle (12 V/24 V) or via USB-C input.
<30 ms EPS/UPS Auto-Switch — fast switchover for essential devices during power outages.
Smart App Control — monitor and control the power station remotely via the EcoFlow app (Wi-Fi & Bluetooth).
Advanced Battery Management System (BMS) — protects against over-voltage, over-current, over-temperature, short-circuit, and other risks.
Lightweight & Compact — ~7.8 kg (≈17.2 lb), making it suitable for travel, camping, and outdoor use.
Robust Construction — built for everyday use with stable performance across temperature ranges.
Camping & outdoor adventures — power lights, phones, laptops, mini coolers, and more.
Emergency backup — keep essentials running during outages, thanks to quick UPS response.
Off-grid work / remote projects — versatile outputs and recharge flexibility with solar and car charging.
Compact, Plug-and-Play Design: Lightweight and elegant, it features quick-connect AC/DC terminals for streamlined installation.
Single-Phase with Dual MPPT: Operating at 6 kW, this hybrid inverter boasts two MPPT channels for optimized solar energy harvesting and flexibility with panel configurations.
High Efficiency: Achieves peak efficiency around 97.6%, European efficiency of 96.7%, and MPPT efficiency up to 99.9%.
UPS-Level Backup (<10 ms): Ensures seamless power supply during grid outages, supporting heavy loads like air conditioners with minimal interruption.
Parallel Operation (up to 3 units): Supports expandable system design by enabling multiple units in parallel for greater backup capacity.
Load & Generator Management: Smart energy control capabilities allow dynamic power flow management across solar, battery, grid, and generator sources.
Low-Voltage Battery Compatible: Supports 48 V systems (battery voltage range 40–60 V), with 60 A continuous charge/discharge current.
Optimized Self-Consumption: Intelligent energy flow controls help maximize solar use and minimize utility feed-in and bills.
Robust Protection Suite: Includes integrated protection for SPD (Type II on DC side), anti-islanding, reverse polarity, insulation resistance monitoring, residual current detection, overcurrent, short-circuit, and surge protection. AFCI is available optionally.
Smart Home Integration: Supports multiple communications (Wi-Fi, RS485, CAN, SMS) with load control, dynamic power export limiting, and smart home compatibility.
Fanless & Quiet Operation: Cools via natural convection—no fans, low noise, and reliable performance.
Remote Shutdown Capability: Enables safety-compliant remote shutdown via communication interface.
Smart Monitoring Tools: LED indicators and app connectivity allow real-time and historical system performance tracking.
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.
EcoFlow DELTA 2 Max Portable Power Station 
EcoFlow DELTA Pro 3 Portable Power Station 
EcoFlow DELTA 2 E980 Portable Power Station 
EcoFlow DELTA Pro Portable Power Station 
There are no reviews yet.