New 6ah HP batteries are smaller, same size as old 4ah : r/ryobi
6.0Ah for Ryobi P108 18V One+ Plus Battery 18 Volt Lithium-Ion High Capacity New
18V ONE+ HIGH PERFORMANCE Lithium-Ion 2.0 Ah Battery
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Genuine Ryobi One+ 6 Ah 18V High Performance Lithium-ion Battery PBP007 - Sealed
6Ah For RYOBI P108 18V One+ Plus Battery 18 Volt Lithium-Ion Power Tools P104 P107 RB18L50 - AliExpress
Ryobi 18V 6Ah Lithium-Ion Battery(Pack of 2) for sale online
Powerost One+ 18V Battery Replacement: for Ryobi Lithium 18 Volt One Plus P108 P102 P107 P189 Drill Tools - 18V 6AH High Performance Lithium-ion Battery PBP005 : Tools & Home Improvement
18V ONE+ 6AH LITHIUM HIGH PERFORMANCE STARTER KIT - RYOBI Tools
RYOBI 18V ONE+ HP 6.0 Ah High Capacity Battery P193
18V ONE+ LITHIUM HIGH PERFORMANCE STARTER KIT - RYOBI Tools
RYOBI ONE+ 18V Lithium-Ion HIGH PERFORMANCE 4.0 Ah Battery (6-Pack) PBP2004-3 - The Home Depot
Bonacell 2Packs 6500mAh Replacement for Ryobi ONE+ 18V Lithium Battery Compatible with Ryobi 18 Volt Battery P102 Cordless Power Tools Battery for Ryobi 18V : Tools & Home Improvement
Ryobi One+ “HIGH PERFORMANCE” 18v Batteries 2Ah 4Ah & 6Ah Brand New - tools - by owner - sale - craigslist
Ryobi P193 18 Volt 6.0 Ah ONE+ Lithium-Ion LITHIUM+ HP High Capacity Compact Battery : Tools & Home Improvement