On Sat, 30 May 2015 23:19:20 -0400, micky
wrote:

On Sat, 30 May 2015 20:43:58 -0400, Seymore4Head
wrote:

On Sat, 30 May 2015 18:27:27 -0600, Tony Hwang
wrote:

wrote:
My wife gave me a Torx string (grass) trimmer, as a present. It came
with two, 20 volt battery packs. I now know that I can edge my house
several times. with but one charged battery.

I know that rechargeable batteries have a limited life - attributable
to the number of recharges and years of use. As I will never need to
ever use two packs, what should I do with the likely unused 2nd pack?
I am inclined to leave it uncharged, for _?_ years, until the initial
pack loses the capacity to edge my house.

Would storing that spare battery, in a "hermetically" sealed package
in our refrigerator (or freezer) be a preferred storage option?

Is rthere a different stategy, for the unused pack, that would be
more appropriate? I know that replacement battery packs are $$
expensive.

Mine is B&D 20V Lithium one. Came with 2 batteries. I use them
alternatively. I fully charge them before storing in winter. They
sell rebuild kit for this battery pack on eBay I noticed.

Swap em would be my first guess too. I really don't know. It is the
same thing with cell phones. I don't use my cellphone much for
talking, but you still have to keep it charged.

What do you do? Leave it off the charger for a few days or plug it in
with a 90% charge every day.

Same problem with laptops. I only use the laptop when I go out of town,
and I don't do that much.

I'm told Li laptop batteries run down even when taken out of the
battery.

I'm told Li laptop batteries run down even when taken out of the
COMPUTER.

Not only that, I'd like a new battery before I take a 3 month trip, but
if I buy it now, it will be old by the time I leave. If I wait until
just before I leave, they may not sell them anymore, or it will be old
anyhow because they made it last year.