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    • 5 out of 5:
    • "Got what I needed at reasonable price in a reasonable time frame."
    • James Lewis, March 16, 2026
    • 5 out of 5:
    • "Door locks are working again. Thanks so much !"
    • RAY H, March 15, 2026
    • 5 out of 5:
    • "Wrong size. Talk with the company, they were helpful."
    • Necee, February 15, 2026
    • 5 out of 5:
    • "Great item that was hard to find- but this seller had! So happy!"
    • NJ Mom, February 14, 2026
    • 5 out of 5:
    • "Product was as advertised. I brought it in to replace one that was quite old...so old that the new design did not have the typical positive extended contact as the old. I inserted a smashed split lock washer to make the contact work."
    • Douglas H, February 5, 2026
    • 5 out of 5:
    • "Great price for the battery. Received earlier than expected."
    • Jimbo, January 24, 2026
    • 5 out of 5:
    • "Great service"
    • Maureen McCabe, December 25, 2025
    • 5 out of 5:
    • "Exactly as described"
    • William W, November 27, 2025
    • 5 out of 5:
    • "I am glad the battery is working for my hair clipper :-)"
    • rockingham, November 6, 2025
    • 5 out of 5:
    • "Product arrived timely."
    • 2leegit, November 2, 2025
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Thermostat Batteries

BatteryGuy Thermostat Batteries are compatible with brands such as At&T, Honeywell Bull, White Rodgers and many others.

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15 Items

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  1. Nickel Cadmium Thermostat Battery, 3.6v 150mAh ~ BG-COMP39-1 (Rechargeable)
    $9.40
    AT&T 615 Terminal Replacement Battery
    3.6 Volt
    150 ah
    540 Wh
    L: 2.00"
    H: 0.60"
    W: 0.60"
    0.08 lbs
    3.6 Volt 150 mAh Nickel Cadmium (NICD) Thermostat battery that replaces many Cash Register Sales, General Electric, Interstate and Miscellaneous Batteries batteries and fits a number of Honeywell Bull devices. Rechargeable.
    Add to Wish List
  2. Nickel Cadmium Thermostat Battery, 3.6v 150mAh ~ BG-COMP39-1 (Rechargeable)
    $9.40
    Cash Register Sales BTP560 Replacement Battery
    3.6 Volt
    150 ah
    540 Wh
    L: 2.00"
    H: 0.60"
    W: 0.60"
    0.08 lbs
    3.6 Volt 150 mAh Nickel Cadmium (NICD) Thermostat battery that replaces many Cash Register Sales, General Electric, Interstate and Miscellaneous Batteries batteries and fits a number of Honeywell Bull devices. Rechargeable.
    Add to Wish List
  3. Nickel Cadmium Thermostat Battery, 3.6v 150mAh ~ BG-COMP39-1 (Rechargeable)
    $9.40
    Honeywell Bull 406678100 Replacement Battery
    3.6 Volt
    150 ah
    540 Wh
    L: 2.00"
    H: 0.60"
    W: 0.60"
    0.08 lbs
    3.6 Volt 150 mAh Nickel Cadmium (NICD) Thermostat battery that replaces many Cash Register Sales, General Electric, Interstate and Miscellaneous Batteries batteries and fits a number of Honeywell Bull devices. Rechargeable.
    Add to Wish List
  4. Nickel Cadmium Thermostat Battery, 3.6v 150mAh ~ BG-COMP39-1 (Rechargeable)
    $9.40
    General Electric 418901CD051 Replacement Battery
    3.6 Volt
    150 ah
    540 Wh
    L: 2.00"
    H: 0.60"
    W: 0.60"
    0.08 lbs
    3.6 Volt 150 mAh Nickel Cadmium (NICD) Thermostat battery that replaces many Cash Register Sales, General Electric, Interstate and Miscellaneous Batteries batteries and fits a number of Honeywell Bull devices. Rechargeable.
    Add to Wish List
  5. Nickel Cadmium Thermostat Battery, 3.6v 150mAh ~ BG-COMP39-1 (Rechargeable)
    $9.40
    Honeywell Bull W7505 Replacement Battery
    3.6 Volt
    150 ah
    540 Wh
    L: 2.00"
    H: 0.60"
    W: 0.60"
    0.08 lbs
    3.6 Volt 150 mAh Nickel Cadmium (NICD) Thermostat battery that replaces many Cash Register Sales, General Electric, Interstate and Miscellaneous Batteries batteries and fits a number of Honeywell Bull devices. Rechargeable.
    Add to Wish List
  6. Nickel Cadmium Thermostat Battery, 3.6v 150mAh ~ BG-COMP39-1 (Rechargeable)
    $9.40
    Generic Battery N110AAL3X1 Replacement Battery
    3.6 Volt
    150 ah
    540 Wh
    L: 2.00"
    H: 0.60"
    W: 0.60"
    0.08 lbs
    3.6 Volt 150 mAh Nickel Cadmium (NICD) Thermostat battery that replaces many Cash Register Sales, General Electric, Interstate and Miscellaneous Batteries batteries and fits a number of Honeywell Bull devices. Rechargeable.
    Add to Wish List
  7. Nickel Cadmium Thermostat Battery, 3.6v 150mAh ~ BG-COMP39-1 (Rechargeable)
    $9.40
    Lucent Technologies 615 Terminal Replacement Battery
    3.6 Volt
    150 ah
    540 Wh
    L: 2.00"
    H: 0.60"
    W: 0.60"
    0.08 lbs
    3.6 Volt 150 mAh Nickel Cadmium (NICD) Thermostat battery that replaces many Cash Register Sales, General Electric, Interstate and Miscellaneous Batteries batteries and fits a number of Honeywell Bull devices. Rechargeable.
    Add to Wish List
  8. Nickel Cadmium Thermostat Battery, 3.6v 150mAh ~ BG-COMP39-1 (Rechargeable)
    $9.40
    Generic Battery SY106-LO31 Replacement Battery
    3.6 Volt
    150 ah
    540 Wh
    L: 2.00"
    H: 0.60"
    W: 0.60"
    0.08 lbs
    3.6 Volt 150 mAh Nickel Cadmium (NICD) Thermostat battery that replaces many Cash Register Sales, General Electric, Interstate and Miscellaneous Batteries batteries and fits a number of Honeywell Bull devices. Rechargeable.
    Add to Wish List
  9. Nickel Cadmium Thermostat Battery, 3.6v 150mAh ~ BG-COMP39-1 (Rechargeable)
    $9.40
    Nickel Cadmium Thermostat Battery, 3.6v 150mAh ~ BG-COMP39-1 (Rechargeable)
    3.6 Volt
    150 ah
    540 Wh
    L: 2.00"
    H: 0.60"
    W: 0.60"
    0.08 lbs
    3.6 Volt 150 mAh Nickel Cadmium (NICD) Thermostat battery that replaces many Cash Register Sales, General Electric, Interstate and Miscellaneous Batteries batteries and fits a number of Honeywell Bull devices. Rechargeable.
    Add to Wish List
  10. Nickel Cadmium Thermostat Battery, 3.6v 150mAh ~ BG-COMP39-1 (Rechargeable)
    $9.40
    Generic Battery SY106L031ND Replacement Battery
    3.6 Volt
    150 ah
    540 Wh
    L: 2.00"
    H: 0.60"
    W: 0.60"
    0.08 lbs
    3.6 Volt 150 mAh Nickel Cadmium (NICD) Thermostat battery that replaces many Cash Register Sales, General Electric, Interstate and Miscellaneous Batteries batteries and fits a number of Honeywell Bull devices. Rechargeable.
    Add to Wish List
  11. Nickel Cadmium Thermostat Battery, 3.6v 150mAh ~ BG-COMP39-1 (Rechargeable)
    $9.40
    Cash Register Sales 203005 Replacement Battery
    3.6 Volt
    150 ah
    540 Wh
    L: 2.00"
    H: 0.60"
    W: 0.60"
    0.08 lbs
    3.6 Volt 150 mAh Nickel Cadmium (NICD) Thermostat battery that replaces many Cash Register Sales, General Electric, Interstate and Miscellaneous Batteries batteries and fits a number of Honeywell Bull devices. Rechargeable.
    Add to Wish List
  12. Nickel Cadmium Thermostat Battery, 3.6v 150mAh ~ BG-COMP39-1 (Rechargeable)
    $9.40
    Interstate Batteries NIC1155 Replacement Battery
    3.6 Volt
    150 ah
    540 Wh
    L: 2.00"
    H: 0.60"
    W: 0.60"
    0.08 lbs
    3.6 Volt 150 mAh Nickel Cadmium (NICD) Thermostat battery that replaces many Cash Register Sales, General Electric, Interstate and Miscellaneous Batteries batteries and fits a number of Honeywell Bull devices. Rechargeable.
    Add to Wish List
  13. Nickel Cadmium Thermostat Battery, 3.6v 150mAh ~ BG-COMP39-1 (Rechargeable)
    $9.40
    Cash Register Sales BTP202 Replacement Battery
    3.6 Volt
    150 ah
    540 Wh
    L: 2.00"
    H: 0.60"
    W: 0.60"
    0.08 lbs
    3.6 Volt 150 mAh Nickel Cadmium (NICD) Thermostat battery that replaces many Cash Register Sales, General Electric, Interstate and Miscellaneous Batteries batteries and fits a number of Honeywell Bull devices. Rechargeable.
    Add to Wish List
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