This battery will fit the following BT Synergy telephones:

• Synergy 2100
• Synergy 2110
• Synergy 2120
• Synergy 2150

The battery will also fit the following telephones:

Cable & Wireless Range:

• CWD 250
• CWD 2500
• CWD 2700
• CWD 4000
• CWD 4100
• CWD 600

NTL Range:

• D4000
• D4001
• D4100

Philips Range:

• Kala 300
• Kala 3353

Sagem Range:

• DPC 300
• Pack Trio 21300

We also have batteries for many other BT telephones, please call us on 08451 301321 if you can't find the battery you need.