Ridgid 56513 Advanced Lithium battery 18V 2.5 Ah

Ridgid 56513 Advanced Lithium battery 18V 2.5 Ah 
RIDGID 18V Advanced Lithium Batteries maximize tool uptime keeping you working on the job even longer    
Designed to deliver superior performance, life, and dependability
Built-in LED indicators for battery charge status and temperature monitoring    
Passive convection cooling (no fan) design to prevent over-heating    
Charge time for 18V Advanced Lithium 4.0Ah is 45-60 minutes