ChargeKeeper - 12V Smart Car 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 Car Battery Charger - Fast Charging Repair & Maintainer & Safety Protected
Keep your vehicle batteries charged, protected, and ready to go with the 12V Smart Car Battery Charger — a fully automatic, microprocessor-controlled charger built for performance and safety. Designed for convenience and versatility, this intelligent battery maintainer delivers fast, efficient charging for a wide range of 12V battery types, including AGM, GEL, EFB, SLA, and LiFePO4 lithium batteries — ideal for cars, motorcycles, trucks, ATVs, RVs, boats, and more.
Fast & Smart Charging Performance
Featuring a 6-Amp quick charge output, this smart car battery charger works up to twice as fast as standard 3A or 4A chargers. The advanced CPU control automatically detects your battery type and adjusts charging speed and voltage for optimal performance — ensuring a full, efficient, and safe charge every time.
Universal Compatibility
This automatic 12V battery charger supports a wide range of lead-acid and LiFePO4 batteries (2AH–150AH), making it perfect for nearly any vehicle — from motorcycles to SUVs, ATVs to boats. With four smart charging modes (Car, Motorcycle, AGM/LiFePO4, and Repair), it’s engineered to handle everything from regular maintenance to deep recovery for lightly sulfated batteries.
Real-Time Monitoring & Intelligent Display
Stay informed at a glance with the large full-color LED display, showing real-time charging status, voltage, current, temperature, and battery health. The screen remains bright and easy to read even under direct sunlight. Integrated temperature monitoring automatically adjusts the charge level to protect your battery and extend its lifespan in both hot and cold environments.
Comprehensive Safety Protection
Your battery’s safety comes first. This smart battery maintainer includes multiple layers of protection:
- Polarity & short-circuit protection
- Overcharge and over-temperature safeguards
- Spark-free connection prevention
- Automatic voltage adjustment
These built-in safety features ensure a worry-free charging experience — just connect, select the mode, and let the charger do the rest.
All-in-One Convenience
Compact and efficient, this charger is designed for easy use at home, in the garage, or on the go. Whether you’re maintaining seasonal vehicles, restoring battery life, or keeping your ride ready for weekend trips, it’s a must-have tool for every driver and enthusiast.
Package Includes
- 1 × Smart 12V Battery Charger
- 1 × Charging Cable & Clamps
- 1 × User Manual
Why You’ll Love It
- Fully automatic plug-and-play operation
- Quick charging with intelligent protection
- Suitable for cars, motorcycles, ATVs, RVs, and marine batteries
- Extends battery life and performance
Keep your batteries healthy, charged, and always ready with the 12V Smart Car Battery Charger — the all-in-one solution for safe, reliable, and efficient battery maintenance.