This charger is compatible and will work for the following battery model #'s:

BL704c29, BL704c22, BL704c25, BP074302, BP074222, BP074262, VB725U, VB726U, VB732U, VB734U, VB722Y, VB726Y, VB730Y, VB767

7.4v Li-ion battery charger that charges two 7v  batteries at the same time. For charging Volt Resistance® 7v batteries only. Uses 7v PosiLock plug connectors.

• Input: AC 100-240V 50/60Hz 0.2A Max
• Output: DC 8.4v 1.0A*2
• Charges two VB734U batteries in 5 hours.
• Charges two VB725U batteries in 4 hours
• Includes over voltage and over current protection