# \#battery-packs

**URL:** https://forum.digikey.com/tag/battery-packs/3552.md

[Latest](https://forum.digikey.com/latest.md) · [Categories](https://forum.digikey.com/categories.md) · [Tags](https://forum.digikey.com/tags.md)

---

## [HHR-75AAA/BF2 Battery Pack](https://forum.digikey.com/t/hhr-75aaa-bf2-battery-pack/57676)

<div class="topic-metadata">

**Author:** [@paul5](https://forum.digikey.com/u/paul5)\
**Replies:** 3\
**Last updated:** [July 28, 2025, 2:03pm UTC](https://forum.digikey.com/t/hhr-75aaa-bf2-battery-pack/57676 "2025-07-28T14:03:29Z")

</div>

I need to obtain the cutoff temperature of the thermostat that is installed in the HHR-75AAA/BF2 battery pack for my product safety test report.

---

## [Alternative for HHR-150AAB01F2X2 from Panasonic](https://forum.digikey.com/t/alternative-for-hhr-150aab01f2x2-from-panasonic/41811)

<div class="topic-metadata">

**Author:** [@shawn\_adams](https://forum.digikey.com/u/shawn_adams)\
**Replies:** 0\
**Last updated:** [May 24, 2024, 5:00am UTC](https://forum.digikey.com/t/alternative-for-hhr-150aab01f2x2-from-panasonic/41811 "2024-05-24T05:00:00Z")

</div>

The HHR-150AAB01F2X2 battery pack from Panasonic has been discontinued at DigiKey. However, we do carry a similar battery pack also from Panasonic. Please review the datasheets to ensure the alternative will work for you…

---

## [Alternative for HR-AAUF2X2 from FDK America](https://forum.digikey.com/t/alternative-for-hr-aauf2x2-from-fdk-america/41812)

<div class="topic-metadata">

**Author:** [@shawn\_adams](https://forum.digikey.com/u/shawn_adams)\
**Replies:** 0\
**Last updated:** [May 24, 2024, 5:00am UTC](https://forum.digikey.com/t/alternative-for-hr-aauf2x2-from-fdk-america/41812 "2024-05-24T05:00:00Z")

</div>

The HR-AAUF2X2 from FDK America has been discontinued at DigiKey, However, we do carry a similar battery pack from Panasonic. Please review the datasheets to ensure the alternative will work for your application. …

---

## [Battery Packs](https://forum.digikey.com/t/battery-packs/31466)

<div class="topic-metadata">

**Author:** [@raelynn.roen](https://forum.digikey.com/u/raelynn.roen)\
**Replies:** 0\
**Last updated:** [June 6, 2023, 11:25pm UTC](https://forum.digikey.com/t/battery-packs/31466 "2023-06-06T23:25:57Z")

</div>

This Product Selection Guide contains information to help select products in the Battery Packs category on DigiKey.com A battery pack is a set of any number of battery cells connected and bound together to form a singl…