Mighty Max Battery YTX4L-BS 12V 3Ah SLA AGM ATV & Scooter Battery — 50 CCA, Sealed

The Mighty Max Battery YTX4L-BS is a compact, sealed 12V 3AH SLA (AGM) battery designed to replace small ATV, scooter, and motorcycle starter batteries with reliable cold-cranking power.

Designed as a drop-in replacement for models used in ATA 110cc, TaoTao Cheetah, TForce and similar small-engine machines, this YTX4L-BS packs 50 CCA into a vibration-resistant, spill-proof case. Its small footprint and top-post terminals make it easy to fit into cramped battery compartments while delivering the quick high-discharge pulses needed for starting. The battery ships as the unit and mounting screws only — no harness or extra mounting brackets are included.

How much starting power does this battery provide?

The YTX4L-BS supplies 12 volts and 3 amp-hours with a rated 50 Cold Cranking Amps (CCA), enough to start many 50–125cc 4-stroke and small 2-stroke engines. CCA measures the battery's ability to deliver current at low temperatures, useful for reliable cold starts.

• Voltage: 12V nominal
• Capacity: 3AH
• Cold Cranking Amps: 50 CCA
• Suitable for small ATVs, scooters, mopeds and pocket bikes

Will it fit my vehicle and how is polarity arranged?

Check the compact dimensions and terminal layout before ordering — the YTX4L-BS is intentionally small for tight battery bays. Polarity is negative terminal on the left and positive on the right when viewing the terminal side, matching many common OEM placements.

• Dimensions: 4.40" x 2.90" x 3.42" (L x W x H)
• Polarity: negative on the left, positive on the right
• Top posts for straightforward connection to existing wiring
• Confirm terminal spacing and battery compartment clearance before installation

How durable and serviceable is this sealed lead-acid battery?

This battery uses SLA/AGM construction to be spill-proof and maintenance-free, with features that suit off-road and daily-use conditions. It tolerates a wide temperature range, resists vibration, and can be installed in any orientation, making it a practical choice for harsh environments.

• SLA/AGM technology: spill-proof and low maintenance
• High discharge capability for quick engine starts
• Shock and vibration resistance for off-road use
• Rechargeable and recoverable from deep discharge when charged properly

What’s included and what aren’t included in the package?

The listing contains the battery itself and the screws required to secure it; no wiring harnesses, mounting plates or additional accessories are provided. Keep this in mind if your application needs adapters or bespoke brackets.

• Included: YTX4L-BS battery and mounting screws
• Not included: wire harness, mounting brackets, or external chargers
• Compatible with common small-vehicle connectors — verify before install
• One-year full warranty from the manufacturer

Who is this for? The Mighty Max Battery YTX4L-BS is aimed at riders and DIY mechanics who need a compact, maintenance-free replacement battery for small ATVs, scooters, minibikes, and similar light-duty vehicles. It’s a good match for owners of TaoTao, ATA, TForce and other brands that specify a YTX4L-BS form factor, or for anyone seeking a sealed AGM battery that tolerates vibration and varied temperatures while providing dependable starting power. If you need extra accessories like harnesses or custom mounts, plan to source those separately before installation.