Power your professional electronic tools with the RYOBI TEK4 4-Volt Lithium-Ion Battery Pack. Designed for long-lasting performance, this compact battery offers up to 2000 recharge cycles and provides more runtime than three AA cells. It is the ideal power solution for the RYOBI TEK4 family and compatible 4V power tools.

• Long-lasting performance with up to 2000 recharge cycles for extended shelf life
• Compact and lightweight design for easy use in tight or confined spaces
• High-capacity 1.3 Ah lithium-ion power equivalent to three AA cells
• Compatible with RYOBI TEK4 professional tools and AP4500, AP4700, and AP4800 chargers
• Includes one AP4001 battery pack and operator's manual
• Backed by a 2-year manufacturer warranty for peace of mind