Score a pair of RYOBI ONE+ 4Ah batteries for just $79 (New low, save 50%)
DIY Adapter for Ryobi ONE Battery to Dewalt 20V MAX Power - Etsy
Amazon.com: RYOBI 18-Volt ONE+ Bucket Top Misting Fan Kit : Patio, Lawn & Garden
Stealthmount Ryobi 18v battery mount holders – BLOWERBAND
RYOBI - 18 V ONE+ 4.0 Ah Lithium-Ion Battery - Compatible with all 18 V ONE+ tools and 100% backwards compatible - Long battery life and performance - RB18L40 : Amazon.com.be: Electronics
Dual 18v battery adapter for 40v Ryobi tools from JPElectron.com on Tindie
RYOBI - 18 V ONE+ 4.0 Ah Lithium-Ion Battery - Compatible with all 18 V ONE+ tools and 100% backwards compatible - Long battery life and performance - RB18L40 : Amazon.com.be: Electronics
Batteries électriques rechargeables pour outillage Ryobi sur batterie