Introduction
Thank you for choosing the Lenercom 1500A 12V Car Jump Starter with 150 PSI Tire Inflator. This versatile device combines four essential functions: a powerful car jump starter, a portable tire inflator, a 12000mAh power bank, and an emergency LED flashlight. This manual provides detailed instructions for safe and effective use, maintenance, and troubleshooting.

Image: The Lenercom 4-in-1 device highlighting its functions as a jump starter, air compressor, power bank, and LED light.
Important Safety Information
Please read all safety warnings and instructions before using this product. Failure to follow these instructions may result in electric shock, fire, and/or serious injury.
- Do not connect the jump starter to a vehicle battery with a voltage higher than 12V.
- Ensure the jump starter has more than 30% power before attempting to jump-start a vehicle.
- Do not allow the positive and negative clamps to touch each other.
- Keep the device away from children.
- Store in a cool, dry place, away from direct sunlight and high temperatures.
- Use only the provided cables and accessories.
- Do not disassemble or modify the device.

Image: The Lenercom jump starter highlighting its intelligent chip protection and robust design for extreme environments.
Product Overview
The Lenercom PM4-12 includes the following components:
- Lenercom 1500A Jump Starter Unit
- Smart Jumper Cables (with clamps)
- USB Charging Cable
- Air Hose for Tire Inflator
- 3 x Air Nozzles (for various inflatables)
- Storage Bag
- User Manual
Setup
Initial Charging
Before first use, or after a long period of non-use, fully charge the jump starter. Use a 5V/2A USB adapter (not included) with the provided USB cable. The LCD screen will display the battery level. A full charge ensures optimal performance and extends battery life.
To prolong battery life, discharge and recharge the unit completely every 3 months.
Operating Instructions
1. Jump Starting a Vehicle
- Ensure the jump starter has at least 30% charge.
- Connect the red (+) clamp to the positive (+) terminal of the vehicle battery.
- Connect the black (-) clamp to the negative (-) terminal of the vehicle battery.
- Plug the smart jumper cable connector into the jump starter's port. The indicator light on the smart cable will turn green.
- Start the vehicle's engine.
- Once the engine starts, immediately remove the smart jumper cable from the jump starter, then disconnect the black (-) clamp, followed by the red (+) clamp from the vehicle battery.
The Lenercom 1500A can jump-start vehicles with up to 7L gas or 4L diesel engines.

Image: The Lenercom jump starter connected to a car battery using the red and black clamps, ready to jump-start the vehicle.
2. Using the Tire Inflator
- Screw the air hose onto the tire valve stem.
- Connect the other end of the air hose to the inflator port on the jump starter.
- The LCD screen will display the current tire pressure.
- Use the '+' and '-' buttons to set the desired pressure. You can switch between units (PSI, Bar, Kpa, kg/cm²) using the unit button.
- Press the power button to start inflation. The inflator will automatically stop once the preset pressure is reached.
The 150 PSI air compressor can inflate car tires (195/65/R15 from 0 to 35 PSI in approximately 6 minutes), bicycles, balls, and other inflatables using the included nozzles.

Image: The Lenercom portable air compressor connected to a car tire, displaying pressure readings on its digital screen.
3. Using as a Power Bank
The Lenercom jump starter features a 12000mAh battery capacity with QC3.0 fast charging output and two USB ports. This allows you to charge mobile phones, tablets, and other USB-powered devices.
- Connect your device to one of the USB output ports using a compatible USB cable.
- The jump starter will automatically begin charging your device.

Image: The Lenercom device connected via USB cable, charging a smartphone, demonstrating its power bank functionality.
4. Using the LED Light
The integrated LED light offers three modes for various situations:
- Flashlight Mode: Press and hold the light button to turn on the flashlight.
- Strobe Mode: Press the light button again to switch to strobe mode.
- SOS Mode: Press the light button a third time for SOS signaling.
- Press and hold the light button to turn off the LED light.

Image: The Lenercom device with its LED light illuminated, demonstrating its use as a flashlight.
Maintenance
- Charging: To maintain battery health, fully discharge and recharge the unit every three months, even if not in use.
- Cleaning: Wipe the device with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Storage: Store the jump starter in a cool, dry place between -4°F to 140°F (-20°C to 60°C). Keep it away from moisture and direct sunlight.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Vehicle does not start after jump-starting attempt. | Jump starter battery too low; incorrect clamp connection; vehicle battery completely dead. | Ensure jump starter has >30% charge. Check clamp polarity and secure connection. If vehicle battery is completely dead, it may not activate the jump starter's safety features. Consult a professional. |
| Tire inflator not working or inaccurate. | Air hose not securely connected; incorrect pressure setting; jump starter battery low. | Ensure air hose is tightly screwed onto valve and inflator port. Verify desired pressure setting. Charge the jump starter. |
| Device not charging or charging slowly. | Faulty USB cable or adapter; jump starter battery full. | Use the provided USB cable and a 5V/2A adapter. Try a different cable or adapter. The device will stop charging once full. |
| LED light not turning on. | Jump starter battery low; button not pressed correctly. | Charge the jump starter. Press and hold the light button for a few seconds to activate. |
Specifications
| Feature | Specification |
|---|---|
| Model | PM4-12 |
| Peak Current | 1500A |
| Voltage | 12V |
| Battery Capacity | 12000mAh (Lithium-polymer) |
| Air Compressor Pressure | Up to 150 PSI |
| USB Output | QC3.0 & Standard USB |
| Operating Temperature | -4°F to 140°F (-20°C to 60°C) |
| Dimensions (L x W x H) | 16.5 x 10 x 4.5 cm (6.5 x 3.9 x 1.8 inches) |
| Weight | 1 kg (2.2 lbs) |
Warranty and Support
Lenercom products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Lenercom website. If you encounter any issues or have questions regarding your device, do not hesitate to contact our customer service team for assistance.





