Panasonic BK-120AAWS Nickel Metal Hydride (NiMH) Rechargeable Battery

By panasonic


  • Product Model: BK-120AAWS
  • Chemistry: Nickel Metal Hydride (NiMH)
  • Type: W (backup for automotive)
  • Voltage: 1.2V
  • Capacity: 1100mAh
  • Size: AA
  • Information Link: BK-120AAWS.pdf

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Panasonic BK-120AAWS Size AA Nickel Metal Hydride (NiMH) Rechargeable Battery

Ni-MH battery technology is the successor to Ni-Cd (nickel cadmium) technology, used for rechargeable and portable devices. Panasonic offers standard batteries for common applications and a state-of-the-art high temperature battery family that delivers excellent reliability at high ambient temperatures and demanding conditions. Panasonic batteries are especially designed for solar-powered applications, automotive and power tools. Panasonic can help you find the right battery for your portable or stationary device. Panasonic is able to power your business in virtually all applications.

Ni-MH automotive Back up (W) batteries – BK120AAWSPanasonic Industry Logo

These Automotive Back up nickel metal hydride batteries are suitable for TCU, eCall systems, dashboard cameras, anti-theft security systems etc.



Features of the BK-120AAWS

  • Stable power delivery in a wide range of temperatures (-30°C to 85°C)
  • Installable in tough environments as electrolyte solution is aqueous
  • Easy charging and battery health checks.
  • See the spec sheet for more information

How to read the model numbers used for Panasonic Ni-MH batteries

The model numbers are normally indicated using two upper case English letters and three or more digits, as shown in the example. This numbering system gives the user information about the battery capacity, the dimensions and so on.


BK   – Nickel Metal Hydride battery
120    – multiply this number by 10 to obtain the rated capacity (some exceptions)
A   – diameter: AAA, AA, A
W – type

Panasonic offers a wide range of power solutions for portable and stationary applications. Their product range includes high reliable batteries such as Lithium-Ion, Lithium-Ion Pin-type, Lithium, Nickel-Metal Hydride, Nickel-Cadmium, Valve-Regulated-Lead-Acid (VRLA), Alkaline, and Zinc-Carbon. With this breadth and depth to the portfolio, they can power your business in virtually all applications.

The BK450A cell is ideal for NiMH battery pack manufacturing. SIMPOWER offer a full turn key solution for battery packs and can manufacture in New Zealand using state of the art welders, please contact us to discuss your requirements further.


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Technology Charged:Secondary (Rechargable)
Standard Charge Current:
Standard Current Charge Time:
Quick Charge Current:


Technology:Nickel Metal Hydride (NiMH)
Width/Diameter:14.5 0/-0.7 cm
Height:50.5 0/-1.5 cm
Termination:Flat Top
Cell Profile:Cylindrical


Compatible Parts:
Compatible Models:
  • BK-120AAWS
  • BK120AAWS
  • HHR-120AAWS
  • HHR120AAWS