Description
AG-U1 RE-START Lithium Battery – LiFePO4 Power for UTVs, Automobiles, and Small Equipment
The AG-U1 RE-START Lithium Battery delivers lightweight, reliable power for compact vehicles and equipment with built-in wireless jump-starting. Its LiFePO4 chemistry, 20 Ah capacity, 925 cranking amps, and advanced battery management system provide safer operation, long service life, and strong starting performance. Available in U1 and U1R sizes with left or right side positive terminals, it directly replaces many stock batteries in automobiles, UTVs, lawn equipment, and small tractors.
Key Features
- Product Weight: 7.25 lbs (70% lighter than lead-acid batteries)
- Product Dimensions: 7.75 x 5.2 x 7.3 in (197 x 132 x 186 mm)
- Amp Hours: 20 Ah
- Cranking Amps: 925
- Nominal Voltage: 12.8V
- Low Voltage Cut-Off: Yes
- Positive Terminal Location: Available in Left Side or Right Side
- Chemistry: LiFePO4 with full Battery Management System (BMS) for overcharge, overheat, and over-discharge protection
- Easy to Monitor: Compatible with the optional Lithium Battery Tracker for Bluetooth monitoring
The AG-U1 comes with a carry handle for easy transport and includes automotive SAE terminal adapters for convenient installation. Threaded terminals are M8x1.25 for secure connections.
Why Choose the AG-U1 RE-START Lithium Battery?
- Lightweight: Reduces vehicle weight by up to 30 lbs compared to lead-acid batteries.
- Wireless Jump-Starting: No jumper cables needed — just use the key fob to start your vehicle.
- Long-Lasting Power: 20 Ah capacity with 925 cranking amps for a wide range of vehicles and equipment.
- Easy Installation: Available in left or right side terminal locations with included adapters.
Ideal for Mazda Miata and other automobiles, UTVs, generators, lawn equipment, and small tractors looking for a reliable, lightweight, and safe lithium battery upgrade.


