RYOBI TEK4 4-Volt Lithium-Ion Battery Pack (AP4001)TEK4 4V Lithium Ion Rechargeable Battery Power your RYOBI TEK4 4V tools with this compact, fadefree lithium ion battery. Designed for long shelf life and efficient performance, it delivers consistent power and helps reduce tool weight for comfortable use. Key Features: Fade Free Power: Maintains consistent output until fully depleted for reliable performance Compact and Lightweight: Reduces tool weight to minimize strain during extended use Long

TEK4 4V Lithium-Ion Rechargeable Battery

Power your RYOBI TEK4 4V tools with this compact, fade‑free lithium-ion battery. Designed for long shelf life and efficient performance, it delivers consistent power and helps reduce tool weight for comfortable use.

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Key Features:

• Fade-Free Power: Maintains consistent output until fully depleted for reliable performance
• Compact and Lightweight: Reduces tool weight to minimize strain during extended use
• Long Service Life: Rated for over 2,000 charge cycles for dependable longevity
• High Efficiency: One TEK4 battery can outperform up to 6,000 AA alkaline batteries
• TEK4 Compatibility: Fits RYOBI 4V TEK4 devices (charger sold separately)

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Specifications Table:

Specification	Details
Battery Voltage	4V
Chemistry	Lithium-Ion
Model	AP4001
Compatibility	RYOBI TEK4 4V tools
Recharge Cycles	Over 2,000
Equivalency	Outlasts up to 6,000 AA alkaline batteries
Item Weight	2.46 oz (approx. 0.154 lb)
Package Contents	Battery only (charger not included)

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Frequently Asked Questions (FAQ):

Q: Is the charger included?
A: No. This is the battery only; TEK4 charger is sold separately.

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Q: Which tools are compatible?
A: Designed for RYOBI TEK4 4V tools such as the utility light, 4V screwdriver, headphones, and inspection scope.

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Q: How long does the battery hold a charge?
A: Users report solid performance with fade‑free power; charge retention may vary by use and age.

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Q: How many recharge cycles can it handle?
A: Over 2,000 charge cycles under normal use.

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Q: What is the battery chemistry?
A: Lithium‑ion, 4V nominal.

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Compact Power, Sleek Utility

This petite powerhouse brings streamlined efficiency to your toolkit, delivering clean, consistent energy in a refined silhouette. The textured cap and cylindrical form feel purposeful, slotting neatly into TEK4 devices without visual clutter. Style it with matte-black tools and a pared-back workstation for a cohesive, modern aesthetic. Consider it a small luxury—quiet strength that elevates everyday tasks.

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AI Review Summary:

Overall sentiment is positive, with customers citing reliable fit and performance in TEK4 devices and good value. Many praise the fade‑free output and compact size; a common theme is satisfaction as a replacement battery for specific tools (e.g., headphones, lights). Mixed feedback appears around charge retention—some say it holds charge well, while others note shorter runtime or faster discharge as the battery ages. Representative quotes: “Works perfectly with my Ryobi headset for mowing,” “Good value and fits like the original,” and “Doesn’t hold a charge as long as expected.”

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Upgrade your TEK4 tools with dependable 4V power—add this RYOBI lithium-ion battery to your kit today.