Grecell SP120 Pro User Manual

The Grecell SP120 Pro is a high-capacity portable power station designed for outdoor adventures, emergency backup, and off-grid power needs. Featuring a 1200Wh lithium iron phosphate (LiFePO4) battery, multiple output ports (AC, DC, USB), pure sine wave inverter, MPPT solar charging, LCD display, and advanced BMS protection. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Solar Charging 8. Safety Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: LiFePO4 battery pack, Pure Sine Wave Inverter, LCD Display, Multiple output ports, Solar charging input, Car charging input.

FeatureDescription
AC OutputPure sine wave 120V/60Hz, 1000W continuous (2000W surge)
DC Output12V/10A car port and 12V/3A DC5521 ports
USB Outputs2x USB-A QC3.0, 2x USB-C PD 100W
LCD DisplayShows battery level, input/output power, warnings
Solar ChargingMPPT controller, max 500W solar input
Car Charging12V/24V vehicle adapter input
AC ChargingStandard wall outlet charging (0-100% in 7 hours)
Battery ManagementAdvanced BMS for overcharge/discharge protection
Cooling SystemQuiet fan for temperature control
Carry HandleIntegrated handle for portability

Installation

Unpack and inspect contents. Place on stable, dry surface.

  1. Initial Charge: Connect AC adapter to wall outlet and power station.
  2. Positioning: Ensure adequate ventilation around unit (minimum 6 inches clearance).
  3. Solar Panel Setup: Connect compatible solar panels to solar input port (XT60 connector).
  4. Device Connection: Connect devices to appropriate output ports.

WARNING! Unit is heavy (approx. 30 lbs); lift with proper technique. Keep away from water and extreme temperatures.

First-Time Setup

Power on unit; check LCD display.

  1. Initial Charge: Charge fully before first use (LED indicator turns green).
  2. Output Selection: Press power button for desired output type (AC/DC/USB).
  3. LCD Configuration: Use SET button to cycle through display modes.
  4. Device Testing: Connect low-power device first to verify operation.

CAUTION! Do not exceed maximum power ratings. Ensure proper ventilation during operation.

Specifications

Controls and Settings

Access functions via front panel buttons and LCD menu.

Front Panel: Main Power Button, AC Output Button, DC Output Button, USB Output Button, SET Button, LCD Display.

LCD Display Shows: Battery percentage, Input/Output power, Estimated runtime, Temperature, Error codes.

Settings Menu (press SET): Brightness adjustment, Auto-shutdown timer (1-24 hours), Battery saver mode, System reset.

Connecting Devices

Connect devices based on power requirements and port compatibility.

  1. AC Devices: Plug into AC outlets (max 1000W total).
  2. DC Devices: Use car port or DC5521 ports for 12V devices.
  3. USB Devices: Connect phones, tablets, laptops to USB ports.
  4. Multiple Devices: Distribute load across ports to avoid overload.

Tip: Start high-power devices first, then add smaller devices. Monitor total power on display.

Solar Charging

Supports solar panel charging with MPPT technology.

  1. Panel Selection: Use compatible solar panels (12-60V, max 500W).
  2. Connection: Connect solar panel to XT60 input port using provided cable.
  3. Positioning: Angle panels toward sun for optimal charging.
  4. Monitoring: Check input power on LCD display (should show solar icon).
  5. Charging Time: 500W solar input charges from 0-100% in approx. 3-4 hours.

WARNING! Do not exceed maximum solar input voltage. Disconnect during thunderstorms.

Safety Features

Built-in protections: Overload, Overvoltage, Short Circuit, Over-temperature, Low-temperature charging protection, Battery cell balancing.

BMS Functions: Prevents overcharge/discharge, monitors cell voltage/temperature, provides state of charge estimation.

Care & Maintenance

Store in cool, dry place. Charge every 3-6 months if storing long-term.

  1. Cleaning: Use dry cloth only; no liquids or chemicals.
  2. Storage: Keep at 50% charge for long-term storage.
  3. Battery Care: Avoid complete discharge; recharge when below 20%.
  4. Ventilation: Ensure fan vents remain unobstructed.

CAUTION! Do not disassemble unit. Contact authorized service for repairs.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. UL Certified: Meets safety standards for portable power stations. CE, RoHS compliant. Copyright © 2023 Grecell; all rights reserved. For support, visit www.grecell.com or contact [email protected].

Troubleshooting

SymptomPossible CauseCorrective Action
No power outputBattery depleted/disabled outputCharge unit; press corresponding output button.
Device not chargingOverload/protection triggeredDisconnect devices; wait 30 seconds; restart.
Solar not chargingInsufficient sunlight/connectionCheck panel connection; ensure adequate sunlight.
Fan running constantlyHigh temperature/high loadReduce load; move to cooler location.
LCD display blankSleep mode/battery protectionPress any button; charge if battery critically low.
Error code E01Overload protectionDisconnect devices; restart with lower load.
Error code E02Over-temperatureAllow unit to cool; ensure ventilation.
Error code E03Battery faultContact customer support.

Reset: Hold SET button for 10 seconds to reset system settings.

Service: [email protected]; www.grecell.com/support

Grecell SP120 Pro User Manual © - All Rights Reserved 2025