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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.

  • Funkwerk FC1 FC4 Replacement Battery-main
    $17.29 - $17.29
    $17.29
    $17.29 - $17.29
    $17.29

    Replacement Battery Compatible with DeTeWe Tenovis Integral D3 Openphone 28 OpenPhone 24

    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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    $17.29 - $17.29
    $17.29
    $17.29 - $17.29
    $17.29
  • Elmeg FC1 Replacement Battery-main
    $17.29 - $17.29
    $17.29
    $17.29 - $17.29
    $17.29

    Replacement Battery Compatible with Elmeg FC1

    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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    $17.29 - $17.29
    $17.29
    $17.29 - $17.29
    $17.29
  • Nortel C4065R Replacement Battery-main
    $17.29 - $17.29
    $17.29
    $17.29 - $17.29
    $17.29

    Replacement Battery Compatible with Avaya Tenovis Integral D3 Mobile C4065R FC1 Part #4.999.046.235 4999046235 NTTQ49MAE6 4.999.134.298

    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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    $17.29 - $17.29
    $17.29
    $17.29 - $17.29
    $17.29
  • Detewe OpenPhone 24 Openphone 28 Tenovis Integral Replacement Battery-main
    $17.29 - $17.29
    $17.29
    $17.29 - $17.29
    $17.29

    Replacement Battery Compatible with Funkwerk FC1 FC4

    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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    $17.29 - $17.29
    $17.29
    $17.29 - $17.29
    $17.29
  • Avaya C4065R FC1 Tenovis Integral D3 Mobile Replacement Battery-main
    $17.29 - $17.29
    $17.29
    $17.29 - $17.29
    $17.29

    Replacement Battery Compatible with Nortel C4065R Part #NTTQ49MAE6

    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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    $17.29 - $17.29
    $17.29
    $17.29 - $17.29
    $17.29
  • Aastra Openphone 28 Replacement Battery-main
    $17.29 - $17.29
    $17.29
    $17.29 - $17.29
    $17.29

    Replacement Battery Compatible with Openphone 24

    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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    $17.29 - $17.29
    $17.29
    $17.29 - $17.29
    $17.29
  • Funkwerk D4 Office DECT FC1Ex FC1 FC4 Replacement Battery-main
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89

    Replacement Battery Compatible with DeTeWe Integral D3 OpenPhone 24 OpenPhone 28 Part #4.999.046.235 4999046235

    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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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89
  • Openphone 24 Silver Replacement Battery-main
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89

    Replacement Battery Compatible with Avaya Tenovis Integral D3 Mobile TENOVIS IH4 DECT Industriehandset IH4 DECT D3 Tenovis D3 DECT Part #4.999.046.235

    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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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89
  • Detewe Integral D3 OpenPhone 24 OpenPhone 28 Replacement Battery-main
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89

    Replacement Battery Compatible with Funkwerk FC1 DECT FC1Ex D4 Office FC4

    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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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89
  • Avaya DECT D3 DECT Industriehandset IH4 Tenovis D3 Replacement Battery-main
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89

    Replacement Battery Compatible with Openphone 24 Part #4.999.046.235 4999046235

    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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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89
  • Avaya 3216 3631 3631 Comcode SMT-W5110 SMT-W5110B Replacement Battery-main
    $33.49 - $33.49
    $33.49
    $33.49 - $33.49
    $33.49

    Replacement Battery Compatible with Avaya 3631 3631 Comcode SMT-W5110 SMT-W5110C SMT-W5110B 3216 Part #700431489 700431497

    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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    $33.49 - $33.49
    $33.49
    $33.49 - $33.49
    $33.49
  • Nortel 4027 4070 NTTQ81EAE6 NTTQ82EAE6 Replacement Battery-main
    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59

    Replacement Battery Compatible with RTX 8630 8830 Part #10000058

    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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    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59
  • Funktel D11 DECT D11 FC11 Replacement Battery-main
    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59

    Replacement Battery Compatible with Nortel 4027 4070 NTTQ81EAE6 NTTQ82EAE6 Part #690104

    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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    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59
  • Avaya 4027 4070 NTTQ81EAE6 NTTQ82EAE6 Replacement Battery-main
    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59

    Replacement Battery Compatible with Mitel 5610 Part #51015404

    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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    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59
  • RTX 8630 8830 Replacement Battery-main
    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59

    Replacement Battery Compatible with T-Com Octophone 8232 Octophone 8242

    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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    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59
  • Agfeo DECT 60 DECT 60 IP Replacement Battery-main
    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59

    Replacement Battery Compatible with Agfeo DECT 60 DECT 60 IP

    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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    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59
  • 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

    Replacement Battery Compatible with Telekom Comfort Pro CM 500 Comfort Pro CM 510

    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

    Replacement Battery Compatible with DeTeWe 650c 632d 622d 612d Mobiltelefone 610 Mobiltelefone 620 Mobiltelefone 630 600d 610d 620d 630d DTS11 Part #D

    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
  • Telekom Comfort Pro CM 500 Replacement Battery-main
    $43.79 - $43.79
    $43.79
    $43.79 - $43.79
    $43.79

    Replacement Battery Compatible with Aastra 600d 610d 620d 630d DTS11 612d 622d 632D 650c Part #DK512009 23-001059-00 A600ST1 23-001080-00

    INFO This is a replacement compatible with a Aastra 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
  • Detewe 600d 610d 612d 620d 622d 630d 632d 650c DTS Replacement Battery-main
    $43.79 - $43.79
    $43.79
    $43.79 - $43.79
    $43.79

    Replacement Battery Compatible with Mitel 600d 612D

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

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    $43.79 - $43.79
    $43.79
    $43.79 - $43.79
    $43.79
  • Ascom Ascotel Office 135 Ascotel Office 135pro Replacement Battery-main
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89

    Replacement Battery Compatible with DeTeWe Aastra

    INFO This is a replacement compatible with a DeTeWe Cordless Phone Battery Volts: 2.4V (2.4 Volts) Capacity: 700mAh (0.7Ah) Type: Ni-MH Color: Yell...

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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89
  • Detewe Aastra Replacement Battery-main
    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89

    Replacement Battery Compatible with Ascom Ascotel Office 135 Ascotel Office 135pro

    INFO This is a replacement compatible with a Ascom Cordless Phone Battery Volts: 2.4V (2.4 Volts) Capacity: 700mAh (0.7Ah) Type: Ni-MH Color: Yello...

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    $19.89 - $19.89
    $19.89
    $19.89 - $19.89
    $19.89
  • Unify OpenStage WL3 900mAh Replacement Battery-main
    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59

    Replacement Battery Compatible with Aastra DT690 DT692 DH4-BAAA 2B Part #660190 1A

    INFO This is a replacement compatible with a Aastra Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 900mAh (0.9Ah) Type: Li-ion Color: Bla...

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    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59
  • Innovaphone IP62 IP63 Replacement Battery-main
    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59

    Replacement Battery Compatible with OpenStage WL3 WL3 Plus

    INFO This is a replacement compatible with a OpenStage Cordless Phone Battery Volts: 3.7V (3.7 Volts) Capacity: 900mAh (0.9Ah) Type: Li-ion Color: ...

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    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59