The Dogtra BP74RS battery is a replacement battery for the Dogtra 1900S and 1902S Series collar receivers. 

Battery Voltage: 7.4V

Capacity:  400mAh

Fits Dogtra Collar Receivers:

• 1900S
• 1902S
• 1900S-BE  Black Edition
• 1900S-HF  Hands Free
• 1900S-Camo  Wetlands

Package Includes

• One BP74RS Replacement Battery