ZEAL AUTO Q85LEFB - EQ85REFB / 4031 / MFD23EFR / SQ85D23REFB

The ZEAL AUTO Q85L EFB is a premium, maintenance‑free battery engineered to deliver enhanced starting performance, durability, and reliability for vehicles equipped with Start/Stop systems and higher electrical demands. Built using Enhanced Flooded Battery (EFB) technology, it offers superior charge acceptance, improved cycle life, and dependable performance compared with conventional flooded batteries — making it ideal for modern cars with frequent restarts and advanced electronics.

Designed with a left‑hand positive terminal (indicated by the “L” in Q85L), this battery ensures correct fitment and reliable power delivery for compatible vehicles.

What Is an EFB Battery?

An Enhanced Flooded Battery (EFB) is an upgraded lead‑acid battery reinforced to withstand deeper discharge cycles, frequent engine starts, and higher electrical loads better than standard flooded batteries. EFB technology is especially suited for:

• Vehicles with Stop/Start functionality

• Cars with increased electrical accessory use

• Drivers seeking longer battery life and consistent performance

EFB batteries provide improved charge acceptance, greater cycle durability, and prolonged service life while remaining maintenance‑free.

Features & Benefits

Enhanced Flooded Battery – EFB

• Maintenance‑free sealed design — no water checks or top‑ups required
• Designed for Start/Stop vehicles and frequent engine restarts
• Superior cycle life and deeper discharge tolerance compared with standard batteries
• Enhanced charge acceptance for efficient recharging during driving
• Strong starting performance and consistent reliability
• Stable power delivery for modern vehicle electronics and accessories
• Durable construction with high vibration resistance

The ZEAL AUTO Q85L EFB is a premium upgrade for drivers who want dependable starts, enhanced durability, and reliable power for vehicles with Start/Stop technology.

ZEAL AUTO Q85L EFB — advanced technology, dependable performance, and maintenance‑free reliability for modern Start/Stop vehicles.