HP9114B battery pack

From: Carlos Murillo <cem14_at_cornell.edu>
Date: Tue Feb 22 06:37:09 2000

I know, bad form to reply to my own post, but I just discovered
that my brain was fried last night :-)

At 12:59 AM 02/22/2000 -0500, you wrote:
>>However, it appears that 3 off 2.5Ah Cyclon cells would fit in the
>>housing. Has this ever been tried, and does the HP charger PCB charge
>>these correctly without damage?
>
>The 1.5 V difference is big enough that the charger may actually
>damage them. Low duty lead-acid batteries are supposed
>to be charged using constant voltage (with initial current limiting,
>one amp for the ones in question). For standby use the charging
>voltage for these is 6.9V; for cycle use the charging voltage
>is 7.3V . Both are way too high for a 4.5V nominal pack. And
>I think that 4.5V is probably too low for the hp9114.

It should work -- 3 cyclon cells = 6V, the required nominal voltage.
But I would still try to get the LCR062R4PU's.

Carlos.
Received on Tue Feb 22 2000 - 06:37:09 GMT