AmpGuardian - 12V Smart Battery Charger
SHIPPING INFORMATION
How do I track my order?
You will receive an order confirmation immediately after your purchase, then we will send you a tracking number for your order. You can also reach out to our customer support at support@jstonewell.com for any questions you may have.
How long does it take for the order to arrive?
Once shipped, your order should arrive within 3 to 8 days. We will send you an email confirmation as soon as your order ships to keep you updated. Feel free to email us to check on your order status at any time. We're happy to help
OUR GUARANTEE
If for any reason you are dissatisfied with your purchase, we'll make it right. We believe that our customers deserve the absolute best value without sacrificing superior quality, and your satisfaction is our #1 priority.
If it doesn't work for you or you just don't like, return it. Within 30 days of receipt, products purchased from JStonewell may be returned for any reason.
12V Smart Battery Charger - Automatic Fast Charging Large Color Display Multi-Mode Safe & Intelligent Design
Power up your vehicle batteries with confidence and convenience using this 12V Smart Battery Charger, engineered for fast, reliable, and worry-free charging at home or on the go. Designed with modern switchmode technology and an intelligent CPU-controlled system, this charger delivers efficient performance while remaining lightweight, user-friendly, and perfect for everyday use.
Fast, Efficient & Convenient Charging
This automatic quick battery charger delivers a powerful 12V 6A output—providing much faster charging than standard 3A or 4A chargers. It's an ideal companion for keeping your car, motorcycle, truck, ATV, SUV, boat, or lawn equipment ready whenever you need it. Whether you're topping off a battery or giving an older one a little extra support, this charger makes the process simple and dependable.
Large Color Display for Instant Clarity
Enjoy an extra-large color LED screen that gives you real-time visibility of voltage, current, temperature, charging status, and battery percentage—all at a glance. The bright display is easy to read outdoors in sunlight, making it great for garages, workshops, and roadside use.
Wide Compatibility for Everyday Vehicles
Built for versatility, this smart charger supports a range of 12V battery types, including:
- AGM
- GEL
- EFB
- SLA
- Flooded Lead-Acid
-
LiFePO4 (Lithium Iron Phosphate)
Perfect for batteries from 2Ah to 150Ah, covering everything from motorcycles to cars, RVs, pickup trucks, dirt bikes, ATVs, UTVs, boats, agricultural equipment, and more.
Four Intelligent Charging Modes
Adapt to your battery’s needs with four optimized modes:
- Car Mode – Everyday charging for most vehicles
- AGM/LiFePO4 Mode – Optimized charging for specialty battery types
- Motorcycle Mode – Designed for smaller batteries
- Repair Mode – Helps recover and maintain aging batteries without overcharging
Advanced Protection for Peace of Mind
The built-in microprocessor ensures safe operation with:
- Reverse polarity protection
- Short-circuit protection
- Over-voltage protection
- Over-temperature protection
- Non-battery link protection
A smart anti-spark design adds an extra layer of safety, making it beginner-friendly and reliable.
Intelligent Monitoring
Attach the clamps to view battery percentage and voltage instantly—even without AC power. The charger automatically adjusts charging behavior based on surrounding temperature to support battery longevity and stable performance.
Package Includes:
- Charging Cable
- Heavy-Duty Battery Clamps
- User Manual
Keep your vehicles ready for every adventure with a charger that’s powerful, smart, and incredibly easy to use. Enjoy safe, efficient charging—whenever and wherever you need it.