Dewalt DCB140 14.4V Li-ion 3.0Ah Battery
The DeWalt DCB140 XR 14.4 Volt 3.0Ah Li-Ion battery has technology which offers extended runtime and optimised power to complete applications quickly. 
Lightweight design provides the user with 14.4V power for the equivalent of 9.6V NiCd / NiMH pack weight
No memory effect and virtually no self-discharge for maximum productivity & less downtime
Compatibility:Compatible with all DEWALT XR Li-Ion 14.4V Tools
Package Contents:

1 x DeWALT DCB140 XR Battery

7.2 - 18V NiMH + NiCd + Li-Ion for charging (not included)