Penn Battle IV 4000 Spinning Reel

The PENN Battle IV BTLIV4000 is a powerful and dependable spinning reel designed for anglers who demand strength, smooth operation and corrosion-resistance in both saltwater and freshwater fishing. Sized at 4000, this reel bridges everyday inshore fishing with heavier lure and bait applications, offering versatility for a wide range of species and environments.

Built on the proven Battle IV platform, the BTLIV4000 pairs advanced sealing, precision gearing and reliable drag performance to deliver consistent, confidence-inspiring performance cast after cast.

Craftsmanship & Construction

The Battle IV BTLIV4000 features a full metal body and side plate that provide structural strength and maintain gear alignment under load. Proprietary CNC Gear™ Technology ensures precision-machined gears mesh smoothly for consistent retrieves and durability. The Hydro Armor sealing system helps guard key internals against water intrusion, enhancing long-term reliability in harsh angling conditions.

Drag & Sealing Performance

This model utilises a front drag system with HT-100™ carbon fibre drag washers to provide smooth, consistent drag pressure up to approximately 15lb, giving anglers confident fish-fighting ability for a wide range of species. Sealed bearings and spool design further protect against saltwater corrosion and help maintain performance over time.

Key Features

• Hydro Armor sealing system to protect critical components from water ingress.
• Full metal body and side plate for strength and durability.
• CNC Gear™ Technology for precision gear engagement and smooth retrieve.
• HT-100™ carbon fibre drag washers for smooth, powerful drag control.
• 5+1 sealed stainless steel ball bearing system for smooth retrieves.
• Line Capacity Rings and Superline-ready spool for efficient line management.

Materials & Care

The reel’s robust metal construction and sealed systems are designed to withstand regular exposure to both saltwater and freshwater environments. While Hydro Armor sealing reduces water intrusion, a freshwater rinse after saltwater use and thorough drying will help preserve optimal performance and extend the reel’s service life.

BTLIV4000 Review

The PENN Battle IV BTLIV4000 is a versatile reel offering a solid blend of durability, performance and capacity in a mid-size format. Built with the series’ hallmark hydro-protected design and precision gearing, this model delivers dependable performance for saltwater and freshwater anglers alike. Its capacity and drag make it suitable for a wide range of inshore applications without excess bulk.

BTLIV4000 Performance & Key Features

The BTLIV4000’s 6.2:1 gear ratio delivers balanced retrieve speed and torque for a variety of casting and bait presentations. Its sealed ball bearing setup and HT-100 carbon fibre drag system provide smooth operation and consistent drag up to around 15lb, making it capable of handling medium saltwater species with confidence.

• Balanced retrieve ratio suitable for versatile fishing tasks.
• Robust sealed drag system with smooth pressure control.
• Superline-ready spool and Hydro Armor sealing for reliable performance.

Build Quality & Handling

The full metal body and CNC Gear Technology deliver structural integrity and smooth gear engagement under load. The sealed design guards internal components against water intrusion, and the ergonomic handle contributes to comfortable long sessions.

Is the BTLIV4000 Easy to Use?

Yes, the BTLIV4000 offers intuitive operation with straightforward drag adjustment and smooth retrieve action. Its mid-size balance and capacity make it a solid choice for anglers of all skill levels.

Key Takeaways of the BTLIV4000

The Battle IV BTLIV4000 stands out as a capable mid-size reel that delivers strength, smooth performance and reliable sealed protection. Its balanced performance and drag capacity make it suitable for anglers targeting a broad range of species in saltwater or freshwater environments. This model is ideal for anglers who want a durable, versatile reel that performs consistently without unnecessary complexity.

BTLIV4000 FAQs

What is the gear ratio of the PENN Battle IV BTLIV4000?

The BTLIV4000 features a 6.2:1 gear ratio, providing a balanced retrieve speed and power suitable for versatile fishing applications.

How much drag power does this reel provide?

This model delivers up to approximately 15lb of maximum drag, giving confidence when targeting medium saltwater species.

Is this reel suitable for saltwater use?

Yes, its Hydro Armor sealing system and sealed bearings help protect internal components, making it suitable for use in saltwater environments.

What line capacities does the BTLIV4000 hold?

The reel supports line capacities such as around 245m/0.28mm for mono and 360m/0.25mm for braid, giving flexibility for different setups.

How smooth is the retrieve on this reel?

The 5+1 sealed stainless steel bearing system ensures a smooth and consistent retrieve.

Can this reel be used in freshwater?

Yes, its robust construction and sealed protection make it suitable for freshwater fishing as well.

Does the spool require backing for braided line?

No, the Superline-ready spool with capacity rings allows braided line to be spooled efficiently without extra backing.

For more options, explore the full range of Penn spinning reels here.