🧾 Product Description:
The Antigravity AG-801 is the ultimate motorcycle lithium battery for riders and racers who need powerful performance in a compact footprint. Designed to replace standard 4-cell lead-acid batteries, it’s ideal for 125cc–450cc off-road bikes and kick-start race machines where weight and space matter.
Delivering 240 Cranking Amps and 9 Ah PbEq, the AG-801 weighs just 1.56 lb, making it one of the lightest batteries in its class. Whether you’re building a supermoto, racing motocross, or dialing in your custom bike’s weight balance, this is a top-tier motorcycle battery replacement that won't let you down.
Dimensions: 4.25″ L × 2.25″ W × 3.75″ H (108 × 57 × 95 mm)
✅ Key Features:
240 Cranking Amps / 9 Ah PbEq
Featherweight: only 1.56 lb
Maintenance-free, non-spillable design
Compact case fits tight compartments
Holds charge up to 1 year with no drain
Perfect for performance builds or minimalist setups
🏍️ Confirmed Fitment:
KTM 250 SX-F, 350 EXC-F
Yamaha WR250F, WR450F (kick/electric start hybrid)
Honda CRF250R (lightweight conversion or race-only)
Kawasaki KX250F
Yamaha YZ450F (converted or lightweight builds)
Also fits many 250–450cc off-road and dual-sport bikes with compact trays