Long Lifespan Maintenance-Free 4V 4Ah Lead Acid Battery

Maintenance-Free Design
– Sealed construction eliminates the need for water refilling, ensuring hassle-free operation with zero leakage risk.
Extended Durability
– High-purity lead plates and advanced AGM (Absorbent Glass Mat) technology enhance cycle life, delivering reliable power for years.
Efficient Performance
– Stable 4V output with 4Ah capacity, optimized for low self-discharge and consistent energy delivery in compact devices.
Versatile Applications
– Ideal for emergency lighting, security systems, medical equipment, and portable electronics requiring dependable backup power.
Robust Safety
– Reinforced casing and corrosion-resistant terminals withstand vibrations and extreme temperatures (-20°C to 50°C).
Global Compliance
– Meets CE, RoHS, and UL standards for guaranteed quality and international shipping compatibility.
Bulk Savings
– Wholesale-ready pricing for large orders, backed by our lowest-price guarantee and fast global logistics.