Cen-Tech 5 in 1 Power Pack Manual

The Cen-Tech 5 in 1 Power Pack is a versatile portable power solution featuring a 12V DC power supply, 120V AC inverter, USB charging ports, LED work light, and built-in air compressor. Designed for automotive, emergency, and outdoor use, it provides jump-start capability, powers small appliances, charges devices via USB, illuminates work areas, and inflates tires. 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. Using the Air Compressor 8. Safety Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 12V sealed lead-acid battery, 120V AC inverter, USB charging ports, LED work light, air compressor with hose and accessories, clamps for jump-starting.

Feature	Description
12V DC Power Outlet	For powering 12V automotive accessories
120V AC Inverter	Provides household AC power for small appliances
USB Charging Ports	For charging smartphones, tablets, and other USB devices
LED Work Light	Bright illumination for emergency or work situations
Air Compressor	For inflating tires, sports equipment, and inflatables
Jump-Start Clamps	Heavy-duty clamps for emergency vehicle jump-starting
Power Switch	Turns unit on/off
Battery Indicator	LED display showing remaining battery charge
Overload Protection	Automatic shutoff to prevent damage from overloads
Carrying Handle	For easy portability

Installation

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

Initial Charge: Connect included AC adapter to charge unit fully before first use.
Storage: Store in a cool, dry place away from direct sunlight and moisture.
Accessory Connection: Attach air compressor hose, clamps, or other accessories as needed.
Power Connection: Plug into AC outlet for charging or use DC/AC outputs as required.

WARNING! Keep away from flammable materials. Do not disassemble unit. Ensure proper ventilation during use.

First-Time Setup

Fully charge unit before initial use.

Charge Battery: Connect AC adapter to unit and wall outlet; charge until indicator shows full.
Test Functions: Turn on power switch; verify LED light, USB ports, and inverter are operational.
Configure Settings: Set compressor pressure limit if adjustable; check clamps for secure connection.
Safety Check: Ensure all connections are secure and unit is placed on a stable surface.

CAUTION! Do not use while charging. Keep unit upright during operation.

Specifications

Battery Type: Sealed lead-acid, 12V.
Battery Capacity: Typically 18Ah (varies by model).
AC Inverter Output: 120V, 150W continuous (300W surge).
DC Output: 12V, 10A max.
USB Ports: 5V DC, 2.1A total.
Air Compressor: Max pressure 100 PSI; includes hose and accessories.
LED Light: Bright white LED with adjustable angle.
Jump-Start Current: Peak 400A.
Charging Input: 120V AC, 60Hz via included adapter.
Operating Temp: 32°F to 104°F (0°C to 40°C).

Controls and Settings

Front Panel: POWER switch, Battery Indicator LEDs, USB ports, 12V DC outlet, AC outlet, Compressor switch, LED light switch.

Indicator Lights: Green (charged), Yellow (charging), Red (low battery).

Power Management: Turn on/off via power switch. Inverter: Automatically activates when AC device plugged in. Compressor: Set desired pressure; auto-shutoff at preset limit. Light: Toggle on/off; adjustable angle. USB: Constant 5V output for charging.

Connecting Devices

AC Devices: Plug into AC outlet (max 150W). DC Devices: Use 12V car adapter plug. USB: Direct connection. Jump-Start: Connect clamps to vehicle battery.

Ensure unit is powered on and has sufficient charge.
Match device power requirements to unit capabilities.
For jump-starting: Connect red clamp to positive terminal, black to negative or ground; start vehicle.
Monitor battery indicator during use to avoid deep discharge.

Tip: Disconnect devices when not in use to conserve battery.

Using the Air Compressor

For inflating tires, sports balls, air mattresses.

Attach hose: Connect to compressor outlet and item to inflate.
Set pressure: Use dial or button to set desired PSI (if adjustable).
Start: Turn compressor switch to ON; monitor pressure gauge.
Stop: Auto-shutoff at set pressure, or manually turn off.
Disconnect: Remove hose after use; store properly.

WARNING! Do not exceed max PSI rating of item being inflated. Allow compressor to cool between extended uses.

Safety Features

Overload Protection: Shuts off inverter if overload detected. Reverse Polarity Protection: Prevents damage from incorrect clamp connection. Short Circuit Protection: For DC and USB outputs. Low Battery Shutoff: Prevents battery damage from deep discharge.

Care & Maintenance

Recharge after each use. Keep terminals clean. Store with at least 50% charge. Clean with dry cloth; avoid liquids.

CAUTION! Do not expose to rain or extreme temperatures. Replace battery if capacity significantly reduced.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. UL/cUL listed components. Copyright © 2025 Cen-Tech; trademarks of Harbor Freight Tools. For support, visit www.harborfreight.com or contact 1-800-444-3353.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit won't power on	Battery depleted	Recharge fully; check AC adapter connection.
Inverter not working	Overload/low battery	Disconnect devices; recharge unit; check for overload.
Compressor not inflating	Hose leak/clog	Check hose connections; clear obstructions; ensure switch is on.
USB ports not charging	Device compatibility	Try different cable/device; ensure port is active.
Jump-start ineffective	Weak battery/connections	Ensure clamps have solid contact; recharge unit; check vehicle battery condition.

Reset: Turn off, disconnect all devices, recharge, then restart.

Service: 1-800-444-3353; www.harborfreight.com