HP-34C external battery charging

[rprosperi]

(12-08-2017 07:58 PM)Dieter Wrote:  I agree that flat top cells probably are a good solution. But why do you recommend NiCds instead of NiMHs with 2x or 3x the capacity and virtually no self discharge?

Not recommending them over NiMH, I prefer Eneloops too, I'm just pointing out some cells in the same range as the NiCd currently in use.

(12-08-2017 07:58 PM)Dieter Wrote:  If NiCds are used be sure to get a charger with sufficiently low charging current. The mentioned BC700 charger has a lowest (default) current setting of 200 mA which is perfect for 800 mAh NiCds.

I agree, I have the same BC700, it is easy to use, reliable and inexpensive.