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Project Notes

#691 CH2PC4 NiMH Charger

A few quick notes on the Energizer NiMH charger CH2PC4.



The CH2PC4 is an NiMH battery charger from Energizer. It was distributed in Latin America, Europe and Asia-Pacific markets.

The basic specs:

  • Battery Chemistry: NiMH
  • Cell Size(s): 1 or 2 AA, 1 or 2 AAA
  • Charge Rates: AA 170-200mA, AAA 80-100mA
  • Charge Control: Yes
  • Weight: 65g
  • Size: 115x45x70mm

Estimated Charging Times

Battery Capacity Charge Time
AA 1300-2000 mAh 7-10 hrs
AA 2000-2300 mAh 10-12 hrs
AAA 500-800 mAh 8-10 hrs


Credits and References

Project Source on GitHub Project Gallery Return to the LEAP Catalog

This page is a web-friendly rendering of my project notes shared in the LEAP GitHub repository.

LEAP is just my personal collection of projects. Two main themes have emerged in recent years, sometimes combined:

  • electronics - usually involving an Arduino or other microprocessor in one way or another. Some are full-blown projects, while many are trivial breadboard experiments, intended to learn and explore something interesting
  • scale modelling - I caught the bug after deciding to build a Harrier during covid to demonstrate an electronic jet engine simulation. Let the fun begin..
To be honest, I haven't quite figured out if these two interests belong in the same GitHub repo or not. But for now - they are all here!

Projects are often inspired by things found wild on the net, or ideas from the many great electronics and scale modelling podcasts and YouTube channels. Feel free to borrow liberally, and if you spot any issues do let me know (or send a PR!). See the individual projects for credits where due.