Model: BL1850B
18V 5.0Ah Li-Ion Battery with indicator.

Features :

• Lightweight and shock-absorbing 
  
• Delivers 430% more working capacity during it's lifetime compared to Ni-Cad and is 40% Lighter than Ni-MH 
  
• Minimal depletion of power during use or in storage over it's lifetime 
  
• Foam cell technology 
  
• Slide on battery 
  
• Firm holding with multi contacts and shock absorbing pack 
  
• Will not puncture and remains cool even in heavy use 
  
• Reaches full charge in 30 minutes or less 
  
• Integrated L.E.D. Battery charge level indicator allows user to monitor battery charge