UPLUS NEW TECHNOLOGY BATTERY YTX4L-BS 12V 3Ah AGM Motorcycle Battery — Sealed, Vibration-Resistant, 50A CCA

The UPLUS YTX4L-BS (EB4-3) is a compact, maintenance-free 12V 3Ah AGM motorcycle battery engineered for dependable starting power and long service life.

Designed to replace common small motorcycle and powersport battery models, this UPLUS battery uses a sealed AGM design and high-purity lead for stable electrical performance without routine watering or acid handling. It fits tight spaces with dimensions of 4.45 x 2.76 x 3.35 inches and delivers 50A CCA, while built-in vibration resistance and sealed construction reduce the risk of spills and corrosion. UPLUS backs the battery with a 15-month warranty and local customer support based in California.

How reliable is this battery for everyday starting?

The AGM construction and 99.99% pure lead offer stronger charge acceptance and more consistent starting power than many economy units. It’s engineered for low-temperature starts and vibration-prone environments typical of motorcycles, scooters, and ATVs.

• 50A cold cranking capability for effective engine starts
• Sealed AGM prevents leaks and eliminates watering
• Vibration-resistant internal structure for rugged use
• Designed to operate at temperatures down to around -22°F

Will this battery fit my bike and replace OEM models?

The UPLUS YTX4L-BS is dimensioned and terminal-matched to replace a wide range of small battery part numbers used by many manufacturers. Check your owner’s manual or existing battery label for cross-reference numbers to confirm fit and orientation.

• Common cross-reference numbers: YTX4L-BS, 4L-BS, EBX4L-BS, CTX4L-BS
• Exact dimensions: 4.45 x 2.76 x 3.35 inches for compact battery bays
• Standard [- +] terminal layout compatible with many motorcycles and scooters
• OEM-level materials and factory testing for interchangeability

How do I maintain and recharge this sealed battery?

Because it’s a sealed, maintenance-free AGM battery, you won’t need to add water or acid. For best life, keep it charged between rides and use a smart charger designed for 12V AGM batteries when the vehicle is stored for extended periods.

• No periodic water checks—sealed AGM design
• Use a compatible 12V AGM/motorcycle smart charger for storage
• Avoid prolonged deep discharge to extend service life beyond five years
• Store at moderate temperature and recharge every few months if unused

What warranty and local support does UPLUS provide?

UPLUS offers a 15-month warranty and a 60-day refund window, with a dedicated office and warehouse in California. Local after-sales staff typically reply within 12 hours to help with fitment, returns, or troubleshooting.

• 15-month manufacturer warranty coverage
• 60-day refund period for early returns
• California-based office and warehouse for faster service
• Local support response target within 12 hours

Who is this for: The UPLUS YTX4L-BS is aimed at riders and powersport owners who need a compact, maintenance-free replacement battery with reliable starting performance and strong vibration resistance. It’s a practical choice for small motorcycles, scooters, mopeds, ATVs, and other lightweight engines where space is limited and low-maintenance reliability is a priority.