In the 90s someone went so far as to create a Z1-p battery grip that was only that - a power source with no controls that allowed the use of AA rechargeables. It was only ever a prototype, though.
> On 13 May 2019 at 19:15 John <jsessoms...@nc.rr.com> wrote: > > > It would have had to have been 4 AA batteries. > > Are you sure it was the PZ-1/PZ-1p? The 2CR5 battery is shorter than AA > batteries. I don't see how AA batteries would fit into the battery > compartment. > > > > On 5/13/2019 13:23:23, Ken Waller wrote: > > I had a Pentax part that was a replacement 'end cap', replacing the > > original > > battery cover, that allowed me to use 3 or 4 'AA' (not sure if it used 3 or > > 4 > > )batteries. The 'AA' batteries didn't give the life of the 2CR5 battery but > > I > > could always find 'AA' batteries. > > > > Kenneth Waller > > http://www.pentaxphotogallery.com/kennethwaller > > > > ----- Original Message ----- From: "John" <jsessoms...@nc.rr.com> > > Subject: Re: OT: La Crosse smart charger. (Also: Amazon Basics batteries) > > > > > >> What I could really use is an effective alternative to disposable 2CR5 > >> batteries for the PZ-1p. > >> > >> On 5/11/2019 21:38:21, Igor PDML-StR wrote: > >>> > >>> > >>> Some people may have done that before, - but just in case, - I thought > >>> I'd > >>> share this tip. > >>> I remember that some people on the list were using La Crosse ("smart") > >>> charger for AA and AAA batteries. (I bought it originally for the > >>> flash light, primarily, but then used for all other needs.) > >>> I have the older model, the blue one, I believe BC-700, but from what > >>> I've > >>> read, - all their models suffer from one problem: > >>> When the battery is depleted so that its voltage is below some threshold > >>> (I > >>> believe, it is 0.5 V), the charger displays "null", and refuses to charge > >>> that battery. > >>> > >>> The workaround I've found is to use a cheaper charger (I have a > >>> Duracell-branded "fast charger") - to "jump-start" that battery. > >>> So, you insert your batteries (whatever quantity is needed in that > >>> charger, > >>> in my case, - it takes batteries by pairs), including > >>> the "faulty" one, and charge it for a little bit. > >>> E.g. today, I had one battery showing 0.4V, and after about a minute in > >>> that > >>> "fast charger", it was ready to be charged in La Crosse. > >>> (I've done that with other rechargeable batteries too, -not only with the > >>> "strange" one that I am describing below.) > >>> > >>> > >>> > >>> And since we are talking about rechargeable batteries, - I've found that > >>> recently, my "Amazon Basics" branded rechargeable AA batteries started > >>> behaving strangely: sometimes one (or maybe even two sometimes? I don't > >>> remember for sure) battery becomes drained to that low level, like today, > >>> 0.4 > >>> V, while the other three are still at a reasonable level (today those 3 > >>> were > >>> at about 1.28 V). > >>> The curious thing today, that after just about a minute in the "fast > >>> charger", the voltage of this battery went up to about 1.3 V, and after > >>> that > >>> it was behaving as it was the same as the rest. > >>> There could be two possibilities: either this battery significantly lost > >>> its charging capacity, or it is just was "locked up" in this strange > >>> state of > >>> a low voltage, and this "shock charging" helped to get it out of that. > >>> The latter is very likely, as the pencil charpener where these 4 > >>> batteries > >>> were, stopped working very suddenly, not gradually. > >>> > >>> I haven't seen anything like this happening with any other brand of > >>> rechargeable batteries. > >>> > >>> In any case, I am using my La Crosse now to "refresh" this battery > >>> (discharge-recharge cycle). That, hopefully, will show the true capacity > >>> of > >>> the battery. > >>> > >>> I hope this information could be helpful. > >>> > >>> Cheers, > >>> > >>> Igor > > > > > > > -- > Science - Questions we may never find answers for. > Religion - Answers we must never question. > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
