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BatteryClerk Prime FAST 1-2 day shipping to most of Canada
BatteryClerk Prime FAST 1-2 day shipping to most of Canada

Cordless Phone Batteries

Browse our selection of replacement cordless phone batteries. Breathe life back into your cordless phone with our replacement batteries from leading brands including AT&T, Panasonic and Motorola amongst others.

  • Avaya D4 D4 Office FC4 Funkwerk FC4 IH4 Tennovis I Replacement Battery-main
    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79

    Avaya FC4,IH4,D4,D4 Office,Tennovis Integral D4,Funkwerk FC4 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Avaya Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 700mAh (0.7Ah) Type: Li-ion Color: Blac...

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    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79
  • Mobilteil IP65 Silver Replacement Battery-main
    $23.49 - $23.49
    $23.49
    $23.49 - $23.49
    $23.49

    Funkwerk FC4,DECT FC4 Medical,FC4 Medical 700mAh Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Funkwerk Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 700mAh (0.7Ah) Type: Li-ion Color: S...

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    $23.49 - $23.49
    $23.49
    $23.49 - $23.49
    $23.49
  • Tennovis Integral D4 Silver Replacement Battery-main
    $23.49 - $23.49
    $23.49
    $23.49 - $23.49
    $23.49

    Avaya Avaya FC4,IH4,DECT D4,D4 Office 700mAh Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Avaya Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 700mAh (0.7Ah) Type: Li-ion Color: Silv...

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    $23.49 - $23.49
    $23.49
    $23.49 - $23.49
    $23.49
  • Openphone 24 Black Replacement Battery-main
    $17.09 - $17.09
    $17.09
    $17.09 - $17.09
    $17.09

    Aastra Openphone 28 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Aastra Cordless Phone Battery Volts: 2.4V (2.4 Volts) Capacity: 600mAh (0.6Ah) Type: Ni-MH Color: Blac...

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    $17.09 - $17.09
    $17.09
    $17.09 - $17.09
    $17.09
  • Funkwerk DECT FC4 Medical FC4 FC4 Medical Silver Replacement Battery-main
    $23.49 - $23.49
    $23.49
    $23.49 - $23.49
    $23.49

    Mobilteil IP65 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Mobilteil Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 700mAh (0.7Ah) Type: Li-ion Color: ...

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    $23.49 - $23.49
    $23.49
    $23.49 - $23.49
    $23.49
  • Avaya Avaya FC4 D4 Office DECT D4 IH4 Silver Replacement Battery-main
    $23.49 - $23.49
    $23.49
    $23.49 - $23.49
    $23.49

    Tennovis Integral D4 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Tennovis Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 700mAh (0.7Ah) Type: Li-ion Color: S...

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    $23.49 - $23.49
    $23.49
    $23.49 - $23.49
    $23.49
  • Funkwerk FC1 FC4 Replacement Battery-main
    $17.09 - $17.09
    $17.09
    $17.09 - $17.09
    $17.09

    DeTeWe Tenovis Integral D3,Openphone 28,OpenPhone 24 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a DeTeWe Cordless Phone Battery Volts: 2.4V (2.4 Volts) Capacity: 600mAh (0.6Ah) Type: Ni-MH Color: Blac...

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    $17.09 - $17.09
    $17.09
    $17.09 - $17.09
    $17.09
  • Elmeg FC1 Replacement Battery-main
    $17.09 - $17.09
    $17.09
    $17.09 - $17.09
    $17.09

    Elmeg FC1 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Elmeg Cordless Phone Battery Volts: 2.4V (2.4 Volts) Capacity: 600mAh (0.6Ah) Type: Ni-MH Color: Black...

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    $17.09 - $17.09
    $17.09
    $17.09 - $17.09
    $17.09
  • Nortel C4065R Replacement Battery-main
    $17.09 - $17.09
    $17.09
    $17.09 - $17.09
    $17.09

    Avaya Tenovis Integral D3 Mobile,C4065R,FC1 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Avaya Cordless Phone Battery Volts: 2.4V (2.4 Volts) Capacity: 600mAh (0.6Ah) Type: Ni-MH Color: Black...

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    $17.09 - $17.09
    $17.09
    $17.09 - $17.09
    $17.09
  • Detewe OpenPhone 24 Openphone 28 Tenovis Integral Replacement Battery-main
    $17.09 - $17.09
    $17.09
    $17.09 - $17.09
    $17.09

    Funkwerk FC1,FC4 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Funkwerk Cordless Phone Battery Volts: 2.4V (2.4 Volts) Capacity: 600mAh (0.6Ah) Type: Ni-MH Color: Bl...

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    $17.09 - $17.09
    $17.09
    $17.09 - $17.09
    $17.09
  • Avaya C4065R FC1 Tenovis Integral D3 Mobile Replacement Battery-main
    $17.09 - $17.09
    $17.09
    $17.09 - $17.09
    $17.09

    Nortel C4065R Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Nortel Cordless Phone Battery Volts: 2.4V (2.4 Volts) Capacity: 600mAh (0.6Ah) Type: Ni-MH Color: Blac...

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    $17.09 - $17.09
    $17.09
    $17.09 - $17.09
    $17.09
  • Aastra Openphone 28 Replacement Battery-main
    $17.09 - $17.09
    $17.09
    $17.09 - $17.09
    $17.09

    Openphone 24 600mAh Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Openphone Cordless Phone Battery Volts: 2.4V (2.4 Volts) Capacity: 600mAh (0.6Ah) Type: Ni-MH Color: B...

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    $17.09 - $17.09
    $17.09
    $17.09 - $17.09
    $17.09
  • Funkwerk D4 Office DECT FC1Ex FC1 FC4 Replacement Battery-main
    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79

    DeTeWe Integral D3,OpenPhone 24,OpenPhone 28 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a DeTeWe Cordless Phone Battery Volts: 2.4V (2.4 Volts) Capacity: 600mAh (0.6Ah) Type: Ni-MH Color: Silv...

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    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79
  • Openphone 24 Silver Replacement Battery-main
    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79

    Avaya Tenovis Integral D3 Mobile,TENOVIS IH4,DECT Industriehandset IH4,DECT D3,Tenovis D3 DECT Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Avaya Cordless Phone Battery Volts: 2.4V (2.4 Volts) Capacity: 600mAh (0.6Ah) Type: Ni-MH Color: Silve...

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    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79
  • Detewe Integral D3 OpenPhone 24 OpenPhone 28 Replacement Battery-main
    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79

    Funkwerk FC1,DECT FC1Ex,D4 Office,FC4 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Funkwerk Cordless Phone Battery Volts: 2.4V (2.4 Volts) Capacity: 600mAh (0.6Ah) Type: Ni-MH Color: Si...

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    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79
  • Avaya DECT D3 DECT Industriehandset IH4 Tenovis D3 Replacement Battery-main
    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79

    Openphone 24 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Openphone Cordless Phone Battery Volts: 2.4V (2.4 Volts) Capacity: 600mAh (0.6Ah) Type: Ni-MH Color: S...

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    $19.79 - $19.79
    $19.79
    $19.79 - $19.79
    $19.79
  • Avaya 3216 3631 3631 Comcode SMT-W5110 SMT-W5110B Replacement Battery-main
    $33.29 - $33.29
    $33.29
    $33.29 - $33.29
    $33.29

    Avaya 3631,3631 Comcode,SMT-W5110,SMT-W5110C,SMT-W5110B,3216 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Avaya Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 1100mAh (1.1Ah) Type: Li-ion Color: Bla...

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    $33.29 - $33.29
    $33.29
    $33.29 - $33.29
    $33.29
  • Nortel 4027 4070 NTTQ81EAE6 NTTQ82EAE6 Replacement Battery-main
    $22.39 - $22.39
    $22.39
    $22.39 - $22.39
    $22.39

    RTX 8630,8830 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a RTX Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 1200mAh (1.2Ah) Type: Li-ion Color: Black...

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    $22.39 - $22.39
    $22.39
    $22.39 - $22.39
    $22.39
  • Funktel D11 DECT D11 FC11 Replacement Battery-main
    $22.39 - $22.39
    $22.39
    $22.39 - $22.39
    $22.39

    Nortel 4027,4070,NTTQ81EAE6,NTTQ82EAE6 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Nortel Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 1200mAh (1.2Ah) Type: Li-ion Color: Bl...

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    $22.39 - $22.39
    $22.39
    $22.39 - $22.39
    $22.39
  • Avaya 4027 4070 NTTQ81EAE6 NTTQ82EAE6 Replacement Battery-main
    $22.39 - $22.39
    $22.39
    $22.39 - $22.39
    $22.39

    Mitel 5610 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Mitel Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 1200mAh (1.2Ah) Type: Li-ion Color: Bla...

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    $22.39 - $22.39
    $22.39
    $22.39 - $22.39
    $22.39
  • RTX 8630 8830 Replacement Battery-main
    $22.39 - $22.39
    $22.39
    $22.39 - $22.39
    $22.39

    T-Com Octophone 8232,Octophone 8242 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a T-Com Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 1200mAh (1.2Ah) Type: Li-ion Color: Bla...

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    $22.39 - $22.39
    $22.39
    $22.39 - $22.39
    $22.39
  • Agfeo DECT 60 DECT 60 IP Replacement Battery-main
    $22.39 - $22.39
    $22.39
    $22.39 - $22.39
    $22.39

    Agfeo DECT 60,DECT 60 IP Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Agfeo Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 1200mAh (1.2Ah) Type: Li-ion Color: Bla...

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    $22.39 - $22.39
    $22.39
    $22.39 - $22.39
    $22.39
  • Aastra 600d 610d 612d 620d 622d 630d 632D 650c DTS Replacement Battery-main
    $43.79 - $43.79
    $43.79
    $43.79 - $43.79
    $43.79

    Telekom Comfort Pro CM 500,Comfort Pro CM 510 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a Telekom Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 800mAh (0.8Ah) Type: Li-ion Color: Bl...

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    $43.79 - $43.79
    $43.79
    $43.79 - $43.79
    $43.79
  • Mitel 600d Replacement Battery-main
    $43.79 - $43.79
    $43.79
    $43.79 - $43.79
    $43.79

    DeTeWe 650c,632d,622d,612d,Mobiltelefone 610,Mobiltelefone 620,Mobiltelefone 630,600d,610d,620d,630d,DTS11 Cordless Phone Replacement Battery

    INFO This is a replacement compatible with a DeTeWe Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 800mAh (0.8Ah) Type: Li-ion Color: Bla...

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    $43.79 - $43.79
    $43.79
    $43.79 - $43.79
    $43.79