Heat-soak kills conventional batteries, but this lithium YTX30 delivers the same crisp start whether the engine is stone cold or fully heat-soaked after a ride. Re-Start mode gives an extra buffer that the OEM lead-acid definitely didn't have.

Cold cranking is fantastic and the weight savings over a conventional YTX30 are dramatic. First full charge took longer than expected because it needed a balance cycle — minor inconvenience but worth knowing up front.

My build needed a high-CCA battery to handle the upgraded starter and Antigravity delivered. Highly recommend for cold-climate reliability.

Honestly can't imagine going back to a conventional YTX30 after running lithium for a season — lighter, stronger cranking, and the Re-Start reserve means I stop worrying about accessories draining it at bike nights. Fitment was dead-on, no shims or foam blocks needed.

Lithium cranking power out of the YTX30 footprint is genuinely impressive — starter turns over so much faster than the old conventional battery. Just make sure your charger is lithium-compatible; had a minor scare with my old lead-acid tender before I caught it.

Replacing a flooded YTX30 with lithium is one of those mods you wonder why you waited — the weight difference is immediately obvious when you're moving the bike around the garage. Start quality in cold or heat is completely consistent with this Antigravity.

Running a bunch of electrical accessories and the YTX30 handles the load without any voltage sag — lithium holds its charge curve flat in a way lead-acid never does. Re-Start gives me confidence to run the GPS and heated grips on a long stop.

Ran the bike at an event with the key on for way too long, hit the Re-Start button, and it fired like a champ — that alone justified the upgrade. Way lighter than the old battery and hasn't dropped a volt sitting in the garage between rides.

Third battery in this bike slot over the years and this Antigravity lithium is the first one that still cranks strong after a full off-season without a tender. The Re-Start reserve capacity is a thoughtful feature for touring riders.

The weight savings are nice but Re-Start mode is what actually sets this Antigravity apart — it reserves enough capacity to crank the engine even after accessories drain it flat, which is exactly the scenario that stranded me twice with my old battery. Cranking power is also noticeably stronger right from the first start.

Install was a breeze. Performance is spot on. Seems built to last. Works great so far. Runs great, no complaints. Quality is top notch. Very pleased overall.

Terminals are solid, case is tight, and the YTX30 form factor dropped right in — no sloshing, no venting worries like with lead-acid. Lithium cranking pulse on this thing is aggressive; engine catches instantly every single time.

The YTX30 is massive-capacity lithium in a package that weighs almost nothing compared to the lead-acid it replaced — cranking power is impressive and start-up on cold mornings is instant. Re-Start mode is a lifesaver for long rallies when the bike sits with accessories on.

Winter riding was always a coin flip with the old lead-acid YTX30 — this Antigravity lithium cranks hard down to temps where the old battery barely groaned. Slotted right into the stock tray with no spacer or adapter needed.

Nothing cheap about it. Bolted right on, no problems. Install was a breeze. Works great so far. Glad I bought it.

Efficient support, answered questions

Top-quality, no more car issues