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The Antigravity ATZ-7-RS is a premium, ultra-lightweight lithium-ion (LiFePO4) motorcycle battery engineered to directly replace the heavy lead-acid YTZ7S and YTZ5S batteries found in over 90% of modern enduro and off-road motorcycles. Weighing a mere 1.3 pounds, this battery sheds significant high-up weight from your motorcycle while delivering 150 cranking amps for faster, more reliable starts.
The defining feature of the ATZ-7-RS is Antigravity's proprietary RE-START Technology. The battery features a full internal Battery Management System (BMS) that actively monitors voltage. If you accidentally leave your ignition or an accessory on, the BMS will automatically put the battery into "sleep mode" just before it drains completely. This reserves just enough residual energy to start your motorcycle one last time. By simply pressing the RE-START button on top of the battery, it wakes up and provides the necessary power to fire the engine, entirely eliminating the need to carry a separate jump-pack or wait for a rescue on the trail.
RE-START Technology: Built-in jump-starting capability. The battery puts itself to sleep before draining completely, saving enough power to start your bike at the push of a button.
Ultra-Lightweight: Weighs only 1.3 lbs, offering up to a 70% weight reduction compared to an equivalent lead-acid OEM battery.
Full BMS Protection: Advanced internal circuitry prevents over-discharge, over-charge, and thermal damage while actively balancing the lithium cells for maximum lifespan.
High Cranking Power: Delivers 150 Cranking Amps (CA) to spin high-compression single-cylinder motors faster and easier than standard batteries.
4-Terminal Design: Features positive and negative terminals on both the left and right sides for universal fitment and easier accessory wiring.
Zero Maintenance: LiFePO4 chemistry holds a charge for up to a year without a trickle charger (provided there is no parasitic draw from the vehicle).
1x Antigravity ATZ-7-RS Lithium-Ion Battery
1x Set of Mounting Hardware
High-Density Adhesive Foam (for exact fitment adjustment in the battery box)
Charging Requirements: Only charge with a lithium-specific smart charger. Never use a standard lead-acid trickle charger or a charger with a "desulfation" mode, as this will instantly destroy the lithium cells.
Part Number: AG-ATZ7-RS
If you have any questions about batteries, email us at: tmbrmoto@tmbrmoto.com
Had it for about a week and started my 511 with no issues even after draining the battery a bit from stalling it a ton when I got stuck on a loose slope. Also put it in my 300 and works perfectly. Slightly smaller than ytz5s (has foam spacers to adjust height if needed) and probably 1/3 the weight of it. Really happy with it and would buy again.
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