RYOBI introduces the TEK4 4-Volt Lithium-Ion Battery Pack. RYOBI's Tek4 4-Volt Lithium-Ion Battery powers the RYOBI Tek4 family of professional electronic tools and RYOBI 4-Volt power tools. One 4-Volt Lithium-Ion battery is equivalent to 3AA cells. This battery has a long run time to provide a longer use time. This includes a TEK4 4-Volt Lithium-Ion Battery Pack and an operator's manual.

• 2000 recharge cycles for a longer shelf-life
• Small, compact design for convenience in tight spaces
• Charger sold separately
• Works with chargers AP4500, AP4700 and AP4800
• Includes: (1) AP4001 TEK4 4-Volt Lithium-Ion Battery Pack and operator's manual
• In need of the charger as well? Search in our Battery & Chargers collection for the replacement TEK4 AP4800 Charger