RYOBI - Batterie 18 Volts ONE+ 4,0 Ah Lithium-Ion - Compatible avec Tous les Outils 18V ONE+ et 100% Rétro-Compatible - Grandes Autonomie et Performance - RB18L40 : Amazon.com.be: High-tech
New 6ah HP batteries are smaller, same size as old 4ah : r/ryobi
Batterie lithium 18 V 4Ah avec chargeur RBC18L40G RYOBI
18V ONE+ 4Ah LITHIUM-ION HIGH PERFORMANCE BATTERY - RYOBI Tools
18V ONE+ 4Ah LITHIUM-ION HIGH PERFORMANCE BATTERY - RYOBI Tools
RYOBI ONE+ 18V HIGH PERFORMANCE Lithium-Ion 4.0 Ah Battery (2-Pack) PBP2004 - The Home Depot