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 so you're using it more than you're charging it.
California residents: see Proposition 65 information
- 2000 recharge cycles for a longer shelf-life
- Small, compact design
- 2-year manufacturer warranty
- Charger sold separately
- Works with chargers AP4500, AP4700 and AP4800
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