The BP-NK7631MD is a replacement rechargeable battery for Nihon Kohden products.

This battery replaces the following OEM battery part number(s):

• MD-BY01
• NKB-301V
• SB-551V
• X065

 This battery is compatible with the following model(s):

• Nihon Kohden ECG-1350
• Nihon Kohden ECG-1350A
• Nihon Kohden ECG-1350C
• Nihon Kohden ECG-1350K
• Nihon Kohden ECG-1350P
• Nihon Kohden ECG-2320
• Nihon Kohden ETC-5521k
• Nihon Kohden TEC-5500
• Nihon Kohden TEC-5521
• Nihon Kohden TEC-5521C
• Nihon Kohden TEC-5521E
• Nihon Kohden TEC-5521K
• Nihon Kohden TEC-5531
• Nihon Kohden TEC-5531C
• Nihon Kohden TEC-5531E
• Nihon Kohden TEC-5531K
• Nihon Kohden TEC-5600
• Nihon Kohden TEC-5601
• Nihon Kohden TEC-5621
• Nihon Kohden TEC-5631
• Nihon Kohden TEC-7431
• Nihon Kohden TEC-7500
• Nihon Kohden TEC-7511
• Nihon Kohden TEC-7521
• Nihon Kohden TEC-7531
• Nihon Kohden TEC-7600
• Nihon Kohden TEC-7621
• Nihon Kohden TEC-7621C
• Nihon Kohden TEC-7621E
• Nihon Kohden TEC-7621K
• Nihon Kohden TEC-7631
• Nihon Kohden TEC-7631C
• Nihon Kohden TEC-7631E
• Nihon Kohden TEC-7631K
• Nihon Kohden TEC-7641
• Nihon Kohden TEC-7651
• Nihon Kohden TEC-7700
• Nihon Kohden TEC-7721
• Nihon Kohden TEC-7721C
• Nihon Kohden TEC-7721E
• Nihon Kohden TEC-7721K
• Nihon Kohden TEC-7731
• Nihon Kohden TEC-7731E
• Nihon Kohden TEC-7731K
• Nihon Kohden TEC-7741
• Nihon Kohden TEC-7751
• Nihon Kohden TEC-8352
• Nihon Kohden TEC-9328
• Nihon Kohden TEE-7731C

Specifications:

Voltage	12.0 volts
Chemistry	Ni-MH
Capacity	2800mAh / 33.60Wh
Dimensions	112.20 x 45.00 x 44.80mm
Color	Blue
Weight	569.9 g