JX37 1200A Peak 12V Portable Car Jump Starter Multi-Function Emergency Power Pack

JX37 1200A Peak 12V Portable Car Jump Starter Multi-Function Emergency Power Pack

Product Overview

This JX37 multi-function 12V car jump starter delivers 1200A instantaneous peak cranking power, capable of restarting dead 12V vehicles with up to 6.0L gasoline or 5.0L diesel engines. Built-in large-capacity lithium battery, intelligent multi-layer safety circuit, digital power percentage display, triple-mode emergency LED lamp, dual QC3.0 fast USB ports and 12V DC accessory output. Compact alloy & ABS integrated body, complete with full storage kit for road emergency, outdoor camping and daily digital device charging.

Core Features

• High Peak Cranking Power 1200A peak instantaneous current, rated 600A sustained cranking current, fits most 12V passenger vehicles, SUVs, motorcycles, boats and pickup trucks.
• Wide Compatibility for Engines Perfect match for all 12V vehicles: Max 6.0L gasoline engines, max 5.0L diesel engines.
• 3 Emergency LED Lighting Modes Constant bright light / Strobe warning / SOS distress signal, ideal for night breakdown, outdoor hiking and roadside rescue scenarios.
• 4-in-1 Multi-Head Charging Cable Equipped multi-head charging cord for all mainstream portable electronics, fast 5V/2.1A dual USB output quickly charges mobile phones, tablets, cameras and wearables.
• 8-Way Intelligent Safety Protection Clamps Smart booster clamps built comprehensive protection system: reverse polarity alarm, over-current, over-voltage, overload, short-circuit, overheat, over-discharge & over-charge auto cut-off, effectively avoid misoperation damage.
• All-Round Multi-Function Outputs Dual QC3.0 fast charge USB ports, Type-C charging input, independent 12V cigarette lighter DC socket to power car refrigerators, telescopes and portable cameras.
• Ultra-Wide Operating Temperature Stable performance from -40℃ extreme cold to +80℃ high temperature, reliable for winter cold start and summer vehicle storage.
• Digital Percentage Power Display Real-time screen shows remaining battery percentage, no guesswork about residual power for emergency use.

Full Technical Specifications

Model	JX37
Rated Cranking Current	600A
Peak Instantaneous Current	1200A
Rated Output Voltage	12V DC (Vehicle Jump Start)
Recharging Input	15V/1A DC or 5V/2.1A Type-C
Full Charging Time	2 ~ 3 Hours
Operating Temperature Range	-40℃ ~ +80℃
Housing Material	Aluminum Alloy Frame + High Tough ABS Shell
Product Dimensions	16.9 × 7.3 × 2.8 cm / 6.65 × 2.87 × 1.10 inch
USB Output Standard	Dual 5V/2.1A QC3.0 Fast Charge Ports
DC Accessory Output	12V Cigarette Lighter Socket

Compatible Vehicle Types

All 12V gasoline & diesel vehicles: Sedans, business vans, SUVs, minivans, pickup trucks, motorcycles, snowmobiles and small marine boats.

Critical Safety Warnings

1. Follow standard operating steps strictly to avoid misconnection damage.
2. Do not attempt to start the vehicle if the digital power display shows less than 3 bars of remaining charge.
3. Remove the booster clamps within 30 seconds after successful engine startup to prevent over-discharge.
4. Only apply this unit to standard 12V onboard vehicle electrical systems.

Battery Maintenance Tips

1. Complete one full charge & discharge cycle before first use to activate battery capacity.
2. Even with no regular use, perform supplementary charging once every two months to extend lithium cell service life.
3. For long-term storage, keep residual power above 30% ~ 50% to avoid deep discharge failure.
4. Double-check tight clamp contact with vehicle battery terminals before jump starting.

Package Contents

• 1 × JX37 12V Portable Car Jump Starter Main Unit
• 1 Pair Intelligent Safety Booster Clamps
• 1 × 4-in-1 Multi-Head USB Charging Cable
• 1 × 12V Car Cigarette Lighter Adapter
• 1 × AC Wall Charger (EU / US / UK / AU Plug Optional)
• 1 × Printed User Instruction Manual
• 1 × Hard Plastic Protective Storage Case

Product Notes

1. All product photos and dimension data are taken for reference; minor manual measurement deviation of 0.5-1 inch is acceptable.
2. Slight color difference may exist between real item and screen display due to monitor calibration differences.
3. This is third-party universal emergency power accessory, not original factory vehicle parts.

Frequently Asked Questions

Q1 What engine displacement can this jump starter restart?

A1 It supports all 12V vehicles with up to 6.0L gasoline engines and 5.0L diesel engines.

Q2 How many safety protections do the booster clamps have?

A1 8 integrated safety mechanisms including reverse polarity alarm, short-circuit and overheat auto shut-off.

Q3 Does this unit work in extreme low temperature?

A1 Yes, stable operating performance down to -40℃ for cold winter engine cranking.

Q4 What extra charging functions does it have?

A1 Dual QC3.0 fast USB ports, Type-C input charging and independent 12V DC cigarette lighter output for car electronics.