Replacement power tool battery can provide optimized performance and overload protection using TOTAL system communication between tool, battery and charger.

Rechargeable battery that can be mounted in any position, resists shocks and vibration. Long lasting high performance in high and low temperatures.

Fit for RYOBI 40V Lithium tools and Ryobi 40V lithium charger OP401/ZROP401. The 40V Lithium-ion Battery is the perfect addition to your RYOBI 40V tool collection. The 40-volt 4.0Ah high-power lithium battery with built-in LED indication extends operating time, which is 2 times longer than the standard 2.6Ah.

6000mAh High-capacity provides longer run time and long-lasting performance, mprove your working efficiency, save your time. No memory effect, can be charged or discharged as needed without losing capacity

Premium Lithium battery cells, can be charged freely without memory effect. Integrated microchip prevents overdischarge, overload and short circuit for a longer battery life.