This 123ink version Ryobi OP4015 / OP4026 / OP4030 battery is a direct replacement for when your original battery runs out of power. With this new battery, your Ryobi power tool will perform like new again. Jobs are performed at full power without having to charge the battery. This battery is also protected against overcharging and short circuiting and does not suffer from the memory effect (lazy battery). This battery also has a voltage of 40 V and a capacity of 9000 mAh.
Of course this 123ink product also comes with a 100% warranty!