Cen-Tech 3 in 1 Power Pack Manual

The Cen-Tech 3 in 1 Power Pack is a versatile portable power solution featuring a 12V DC power supply, USB charging ports, and a built-in air compressor. Designed for automotive, marine, and emergency use, it provides jump-start capability, inflates tires and sports equipment, and charges phones/tablets via USB. Includes alligator clips, air hose with accessories, DC power cable, and USB cable. Below are key sections for safety, features, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: 12V sealed lead-acid battery, Digital display, Air compressor with pressure gauge, USB ports (5V/2.1A), Alligator clips, Air hose with adapters, DC power cable.

Safety Precautions

Read all instructions before use. Keep away from children.

1. Jump-starting: Connect red to positive (+), black to negative (-) or grounded metal. Do not reverse polarity.
2. Air compressor: Do not exceed maximum pressure rating (150 PSI). Allow to cool between uses.
3. Charging: Use included charger only. Charge in well-ventilated area.
4. Storage: Store in dry location, away from heat sources and flammable materials.

WARNING! Risk of explosion if battery is mistreated. Do not short-circuit terminals. Wear eye protection when jump-starting.

Initial Setup & Charging

Before first use, fully charge the unit for 8-12 hours.

1. Connect charger: Plug AC adapter into wall outlet, connect to power pack's charging port.
2. Charging indicator: Red LED indicates charging; green LED indicates fully charged.
3. Initial charge: Charge completely before first use for optimal battery performance.
4. Maintenance charging: Recharge every 3 months if not in regular use.

CAUTION! Do not charge near flammable materials. Disconnect charger when not in use.

Specifications

• Battery Type: 12V sealed lead-acid, maintenance-free.
• Battery Capacity: 18Ah (Amp-hours).
• Jump-Start Current: Peak 400A, Cranking 200A.
• Air Compressor: Max pressure 150 PSI, duty cycle 15 minutes on/45 minutes off.
• USB Output: 5V DC, 2.1A total (shared between two ports).
• DC Output: 12V DC, 10A max.
• Charger Input: 100-240V AC, 50/60Hz.
• Operating Temperature: 32°F to 104°F (0°C to 40°C).
• Dimensions: 10.2" x 7.5" x 8.3" (259 x 191 x 211 mm).
• Weight: 15.4 lbs (7 kg).

Controls and Indicators

Front Panel: POWER button, Compressor ON/OFF switch, USB ports, DC outlet, Digital display.

Display Indicators: Battery level (4 bars), Pressure reading (PSI), Error codes.

LED Indicators: Charging (red/green), Compressor active (blue), Overload (red flash).

Buttons: POWER (turns unit on/off), Compressor switch (activates air pump), Light button (controls LED flashlight).

Jump-Starting a Vehicle

For 12V vehicles only (cars, trucks, motorcycles, boats).

1. Ensure power pack is charged and turned OFF.
2. Connect red alligator clip to vehicle battery's positive (+) terminal.
3. Connect black alligator clip to vehicle's negative (-) terminal or unpainted metal ground.
4. Turn power pack ON (press POWER button).
5. Start vehicle: Turn ignition key; vehicle should start within 5-10 seconds.
6. Disconnect in reverse order: Black clip first, then red clip.
7. Turn power pack OFF and recharge if needed.

Tip: If vehicle doesn't start within 10 seconds, wait 3 minutes before retrying.

Using the Air Compressor

For inflating tires, air mattresses, sports equipment.

1. Check pressure requirement: Refer to item's recommended PSI.
2. Attach hose: Connect air hose to compressor outlet, secure with quick-connect.
3. Select adapter: Choose appropriate nozzle for item (tire chuck, needle, etc.).
4. Set target pressure: Use +/- buttons to set desired PSI on digital display.
5. Start inflation: Turn compressor switch ON; unit will auto-stop at target pressure.
6. Monitor: Do not leave unattended; check pressure with built-in gauge.
7. Cool down: Allow 45 minutes rest after 15 minutes continuous use.

WARNING! Do not exceed maximum PSI rating. Keep hose away from hot surfaces.

USB Charging Function

Charges smartphones, tablets, GPS devices, and other USB-powered electronics.

1. Connect device: Use your own USB cable or included cable.
2. Insert into USB port: Both ports provide 5V power.
3. Charging begins automatically: LED near port illuminates.
4. Monitor charging: Device will indicate charging status.
5. Disconnect when fully charged: Preserve battery life.

Note: Total output is 2.1A shared between two ports. Fast charging may not be supported.

Care & Storage

Maintain performance with proper care.

1. Cleaning: Wipe with dry cloth. Do not use liquids or solvents.
2. Battery maintenance: Recharge every 3 months if not used regularly.
3. Storage: Store in cool, dry place with 40-80% charge.
4. Terminals: Keep clean and free of corrosion.
5. Accessories: Store all cables and adapters in included pouch.

CAUTION! Do not expose to water or extreme temperatures. Do not disassemble.

Warranty Information

90-day limited warranty from date of purchase. Covers defects in materials and workmanship. Not covered: Normal wear, misuse, improper maintenance, commercial use. For warranty service, contact customer service with proof of purchase. FCC Compliance: Part 15 Class B device. Copyright © 2025 Cen-Tech. For support, visit www.harborfreight.com or contact 1-800-444-3353.

Troubleshooting

Reset: Disconnect all cables, turn off, wait 5 minutes, then restart.

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