Introduction
Thank you for choosing the 70mai Jump Starter MAX. This device is designed to provide a reliable solution for jump-starting 12V vehicles with dead batteries and also functions as a portable power bank. Please read this manual thoroughly before use to ensure safe and optimal operation.
Product Overview
Key Features
- High Capacity: Real 18,000mAh power bank with 500A start current and 1000A peak current.
- Wide Vehicle Compatibility: Designed for 12V vehicles, including petrol engines up to 8.0L and diesel engines up to 3.5L (Cars, SUVs, motorcycles, trucks, and more).
- Advanced Safety Protections: Features over charge/discharge protection, reverse connection protection, temperature protection, over current protection, over voltage protection, short circuit protection, and reverse charging protection.
- Extreme Weather Adaptability: Operates effectively across a wide range of temperatures.
- Multi-functional: Includes a helpful LED light and can charge electronic devices via USB.

Image: High Peak Current and Battery Capacity.

Image: Extreme Weather Adaptability.

Image: Wide Adaptability to Most Vehicles.
Package Contents
The 70mai Jump Starter MAX package includes the following items:
- 70mai Jump Starter Max unit
- USB charging cable
- Smart battery clip (jump start cable)
- Storage bag
- Cigarette lighter socket cable
- User Manual

Image: Contents of the 70mai Jump Starter MAX package.
Safety Information
Please observe the following safety precautions to prevent injury or damage to the device and vehicle:
- Always ensure the jump starter is sufficiently charged before use.
- Connect the smart battery clip correctly: red clamp to positive (+), black clamp to negative (-). Incorrect connection can cause sparks or damage.
- Do not touch the red and black clamps together once connected to the jump starter.
- Do not attempt to jump start a vehicle if the jump starter or cables are damaged.
- Keep the device away from children.
- Use the device in a well-ventilated area.
- Do not expose the device to extreme temperatures or direct sunlight for prolonged periods.
- Refer to your vehicle's owner's manual for specific jump-starting procedures.
Setup
Charging the Jump Starter
Before first use, fully charge the 70mai Jump Starter MAX. Connect the provided USB charging cable to the jump starter's input port and to a suitable USB power adapter (not included). The indicator lights on the device will show the charging status. Ensure all lights are solid, indicating a full charge, before storing or using for jump-starting.

Image: Jump Starter MAX with USB ports for charging and power supply.
Operating Instructions
Jump Starting a Vehicle
- Prepare the Vehicle: Ensure the vehicle's ignition is off and all accessories (lights, radio, AC) are turned off. Engage the parking brake.
- Connect the Smart Battery Clip:
- Connect the red (+) clamp of the smart battery clip to the positive (+) terminal of the vehicle's dead battery.
- Connect the black (-) clamp of the smart battery clip to the negative (-) terminal of the vehicle's dead battery.
- Ensure a secure connection to both terminals.
- Connect to Jump Starter: Plug the smart battery clip connector into the jump start port on the 70mai Jump Starter MAX. The indicator on the smart clip should show a green light, indicating a correct connection and readiness to jump start. If a red light or no light appears, check connections and battery status.
- Start the Vehicle: Once the smart clip indicates readiness, start your vehicle's engine. If the vehicle does not start immediately, wait 30 seconds before attempting again. Do not crank the engine for more than 3 seconds per attempt.
- Disconnect: As soon as the vehicle starts, disconnect the smart battery clip from the 70mai Jump Starter MAX. Then, remove the black (-) clamp from the vehicle battery, followed by the red (+) clamp.

Image: 70mai Jump Starter MAX with smart battery clamps.
Using as a Power Bank
The 70mai Jump Starter MAX can also be used to charge electronic devices. Connect your device's USB charging cable to the USB output port on the jump starter. The device will automatically begin charging. The cigarette lighter socket cable can be used to power compatible 12V accessories.
LED Light Function
The integrated LED light can be activated by pressing the power button. It typically offers multiple modes (e.g., steady light, strobe, SOS signal). Press the button repeatedly to cycle through modes or turn off the light.
Maintenance
- Recharge Regularly: To maintain battery health, recharge the jump starter every 3-6 months, even if not used.
- Storage: Store the device in a cool, dry place, away from direct sunlight and extreme temperatures.
- Cleaning: Wipe the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Cable Inspection: Periodically inspect the smart battery clip and cables for any signs of damage or wear. Replace if necessary.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Vehicle does not start. | Jump starter battery is low. Incorrect cable connection. Vehicle battery is severely damaged. | Recharge the jump starter. Ensure clamps are connected correctly (red to +, black to -). Consult a professional mechanic. |
| Smart battery clip shows red light. | Reverse polarity connection. Short circuit. Over-discharge of vehicle battery. | Disconnect and reconnect clamps correctly. Check for any metal touching both clamps. Press the 'BOOST' button on the smart clip if available and safe to do so, or try again after a few minutes. |
| Jump starter not charging. | Faulty USB cable or adapter. Charging port issue. | Try a different USB cable and power adapter. Contact customer support if the issue persists. |
Specifications
| Brand | 70mai |
| Model | SQ-GFHA-WHGO |
| Battery Capacity | 18000 mAh |
| Start Current | 500A |
| Peak Current | 1000A |
| Voltage | 12 Volts |
| Battery Cell Composition | Lithium Polymer |
| Product Dimensions | 8.6 x 13.5 x 26.2 cm |
| Item Weight | 1.4 kg |
Warranty and Support
The 70mai Jump Starter MAX comes with a 1-year warranty from the date of purchase. For warranty claims, technical support, or any inquiries, please contact our support team:
- Email: support@nexdigitron.com
- WhatsApp/Call: 7737373626
- Website: www.nexdigitron.com
Please retain your proof of purchase for warranty validation.





