4.0Ah Replacement Battery for Roybi P108 18-Volt One Plus Lithium-ion Battey for Ryobi 18v P122 P108 P104 P105 P102 P103 P107 18V 4.0Ah Lithium Battery for Ryobi P104 P105 P102 P103 P107 P108 18V 4.0Ah Lithium Replacement Battery for Ryobi P108 P104 P105 P102 P103 P107 P108 18v LITHIUM-ION battery delivers long life and run time with fade-free power. Highest quality standards,Integrated microchip prevents overcharging & lengthens battery life. Built in high quality battery cells,No effect on the battery,Charging at any time. 100% Compatible with original manufacturer equipments and chargers.100% QC of this battery and come with 30 days return warranty