oltage: 18V | Capacity: 3.0Ah | Wattage: 54Wh | Package: 2 Pack | Replacement for Ryobi 18V lithium battery Replacement for Ryobi 18V battery one+ p102 p103 p104 p105 p107 p108 P109 P190 P191 P122; fit for P117/P118 battery charger; compatible with 18V cordless routers, string trimmer, reciprocating saws, circular saws, blowers, etc Professional batteries have no memory effect, longer working time, can be recharged and discharged more than 500 times, and is more lightweight and compact, which can prevent fatigue caused by long-term use Built-in Protection against overcharge, over-discharge, over-current, provides short circuit protection and steady voltage circuit.