RYOBI BATTERY ONE+ 18V 4.0AH LI-ION RB1840X

Powerful 4.0 Ah lithium+ battery gives more power, longer run time and better durability than previous Ryobi® lithium technologies
4-stage fuel gauge displays remaining power (100%, 75%, 50%, 25%)
IntelliCell™ technology monitors and balances individual cells to maximize service life, shelf life and safety
Rugged design with built-in shock protection for long-term durability
Turn up to 1240 4x32mm screws with R18DD3
Cut up to 88 meters of 13 mm plywood with R18CS
Operating time may vary by tool, battery and application