We Take Battery Management Seriously

From diagnostics and disconnect protection to portable charging and maintenance
— LILEAD offers a full-spectrum battery solution

About

At LILEAD, we specialize in intelligent 12V battery care solutions. Our product lineup — including battery testers, disconnect switches, and portable chargers — is designed to help users monitor, protect, and maintain their vehicle batteries with ease.

From preventing parasitic drain to providing emergency charging support, we deliver a complete system for battery health that fits the needs of car owners, motorcycle riders, and seasonal vehicle users alike.
LILEAD means smarter battery protection — anytime, anywhere.

Products

LILEAD battery conductance tester checking car battery health

Battery Conductance Tester

Quickly test the health of your 12V battery using advanced conductance technology. Perfect for car batteries, motorcycles, and outdoor equipment

LILEAD smart battery disconnect switch installed on a vehicle battery

Smart Battery Disconnect Switch

Prevent battery drain with smart protection. Automatically disconnects the battery when voltage drops, and reconnects via Bluetooth pairing – no manual switches required

LILEAD portable 12V battery charger connected to a car battery

Portable 12V Battery Charger

Compact and portable 12V charger that powers your battery via a power bank or wall outlet. Perfect for emergency charging or long-term maintenance

Smart Battery Disconnect Switch
Use

A parked car in the garage with LILEAD smart battery disconnect switch preventing battery drain

Long-Term Vehicle Storage

With LILEAD’s smart battery protection switch installed, your vehicle’s battery stays safe even during long periods of inactivity—whether you’re away on a business trip or storing the car for the season. Prevent deep discharge and extend your battery’s life effortlessly.

A modified car with aftermarket audio and 360° cameras protected by a LILEAD battery disconnect switch

Modified or Custom Vehicles with Complex Wiring

Aftermarket sound systems, 360° cameras, and other electronics often keep drawing power even after the engine is off. LILEAD’s smart battery protector monitors your battery voltage and automatically disconnects discharge before it drops too low—helping avoid deep drain, battery failure, and costly replacements.

A car with interior lights left on and LILEAD battery protector preventing power drain

Forgetting to Turn Off Car Accessories

Forgot to turn off the headlights or car accessories again? LILEAD’s smart battery disconnect switch monitors your battery levels in real time and cuts off the discharge automatically when voltage drops too low—preventing deep drain, startup failure, and costly battery damage.

An aging vehicle with worn-out wiring safeguarded by a LILEAD battery disconnect switch

Aging Wiring and Hidden Battery Drain

Old or deteriorated vehicle wiring can cause constant battery drain or even lead to dangerous short circuits and fires. LILEAD’s smart battery disconnect switch monitors the battery in real-time, cutting off discharge when needed to prevent deep drain, failed starts, or electrical hazards.

Portable 12V Battery Charger
Use

Charging a 12V battery using a power bank or a phone wall charger with LILEAD portable charger

Motorcycle Charging in the Wild

LILEAD’s portable charger allows you to recharge your 12V battery using everyday items like a power bank or a smartphone wall charger. Whether you’re on the road or at home, stay powered without removing the battery.

Maintaining battery health of seasonal vehicles like snowmobiles and lawnmowers using LILEAD portable charger

Maintenance Charging for Seasonal Equipment

With LILEAD’s portable battery charger, you can safely maintain the charge of rarely used vehicles — like snowmobiles, lawnmowers, and ATVs — directly from a garage power outlet. It intelligently prevents overcharging and battery drain, keeping your vehicles ready for use anytime.

Charging a smartphone with a portable battery charger while riding outdoors

Emergency Reverse Charging for USB Devices

The LILEAD portable battery charger not only recharges your vehicle battery, but also reverse-charges your devices — like smartphones — during your ride. Stay powered up, no matter where you go

Charging a car battery directly with a power bank, without removing the battery

Easy Battery Boosting for Cars — No Removal Needed

A compact and smart solution — LILEAD’s portable charger lets you recharge your battery using a power bank. No need to remove the battery, no tools required.

"They solved every problem I’ve ever had with my battery."

I used to worry about my car battery all the time—when to replace it, how to protect it, and how to maintain it.

This brand gave me a full solution:

  • A tester to check battery health
  • A disconnect switch to prevent drainage
  • A portable charger that even powers my phone if needed

No more guesswork. Total peace of mind.

— John D., Car Owner

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