9V recharge battery

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9V recharge battery

Postby AchimII » Sat Nov 19, 2011 2:11 am

Hi all,

haven't been around here for some time, but guess some will remember me (hopefully in a good way [smilie=icon_biggrin.gif] )

I'll tell more later, so here's the short version. I haven't played or even touched my basses in years. Some days back, I was in the basement and plugged some of them in. Now, beside they are in winter mode and need a neck setup, my active babys all have dead 9V. As we are talking of a dozen of 9Vs, I thought of using rechargeable batteries. I used Duracell or similar before, never rechargeable, but I know the new 1.5 V Enneloops are great for photo equipment.

So has anybody ever tried rechargeable 9V in a bass, or should I stay with one way type?

Thank's and bye,

Achim
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Re: 9V recharge battery

Postby Telebass » Sat Nov 19, 2011 4:56 am

The only problem I can forsee is that rechargeables are nearly all 8.4V not 9V, but if you pre-amps can live with this, it should be no problem.
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9V recharge battery

Postby ghiadub » Sat Nov 19, 2011 8:07 am

I generally use rechargeables on items that go thru a lot of batteries, since my basses get 100+ hours, I generally use the alkalines (I write the date on top that I put it in the bass)
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Re: 9V recharge battery

Postby SonicBlueJoe » Sat Nov 19, 2011 9:16 am

Achim! [smilie=food-smiley-004.gif]

Been a long time, hope you are well. [smilie=music-smiley-005.gif]

I would probably shy away from rechargeable. In this application, it just seems like it would be more hassle than it's worth.
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Re: 9V recharge battery

Postby Cheap Bass Tard » Sat Nov 19, 2011 10:31 am

From what I've read the rechargeable 9V drain fairly quickly also. You'd pretty much need to recharge after every gig.
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Re: 9V recharge battery

Postby Jerry » Sat Nov 19, 2011 11:49 am

I wouldn't use rechargeables in my basses.
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Re: 9V recharge battery

Postby harleyyy » Sat Nov 19, 2011 12:57 pm

Jerry wrote:I wouldn't use rechargeables in my basses.


ditto, I change them all out on St. Paddy's day before the green beer. Duracell, the copper top battery.
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Re: 9V recharge battery

Postby AchimII » Sun Nov 20, 2011 6:35 am

hmm, sounds like 4 1/2 : 0 for normal ones.

Seems that some of them still work [smilie=icon_eek.gif]. Anyway, i'll get some new 9Vs the next days.
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Re: 9V recharge battery

Postby bdgotoh » Sun Nov 20, 2011 9:23 pm

Hey Achim! Nice to see you back.
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Re: 9V recharge battery

Postby Gil Escalera » Sun Nov 20, 2011 9:52 pm

Joachim! Good to see you. [smilie=icon_biggrin.gif]

The problem with rechargeable batteries is their discharge curve (see chart below).

Alkalines have a steady discharge that you can hear happening and act on before they die.

Rechargeables (NiMh and Li-ion) have a rapid discharge that goes from good to bad in a few seconds!

Image

Unless you plan on recharging them on a regular basis, I wouldn't trust them. It's for this reason that a lot of pro audio guys don't use them for wireless mics & IEMs.

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Re: 9V recharge battery

Postby AchimII » Mon Nov 21, 2011 12:35 am

Hi guys, thanks for the welcome [smilie=food-smiley-004.gif]

Gil, I didn't thought of the sudden death of rechargeables. The 1.5 V enneloops I had mentioned above can be stored for months without loosing capacity to fire my Canon flashlight, but I had always a fresh 9V in my basscase that stayed there for years. I thought something similar is on the market now for 9V.

So when surfing the net, I came along this one for pedal boards...the pedal juice

Sounds interesting, but will not fit into my basses [smilie=coz.gif] So I will stay with 9Vs, I think.
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AW: 9V recharge battery

Postby AchimII » Sun Dec 11, 2011 7:00 am

I always thought these stories of drained batteries were from the sixties. No, it does happen in 21 century as well :cry:
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Re: AW: 9V recharge battery

Postby harleyyy » Sun Dec 11, 2011 9:14 am

AchimII wrote:I always thought these stories of drained batteries were from the sixties. No, it does happen in 21 century as well:cry:


Rare, but it happens. Time and neglect are your enemies.
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Re: 9V recharge battery

Postby darksector » Tue May 21, 2013 10:19 am

AchimII wrote:Hi guys, thanks for the welcome [smilie=food-smiley-004.gif]

Gil, I didn't thought of the sudden death of rechargeables. The 1.5 V enneloops I had mentioned above can be stored for months without loosing capacity to fire my Canon discount flashlight, but I had always a fresh 9V in my basscase that stayed there for years. I thought something similar is on the market now for 9V.

So when surfing the net, I came along this one for pedal boards..
.the pedal juice

Sounds interesting, but will not fit into my basses [smilie=coz.gif] So I will stay with 9Vs, I think.



i think ,flashlight need to be more powerful those type of works, a big flashlight gives much better light
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Re: 9V recharge battery

Postby darksector » Sun Nov 29, 2015 5:29 am

I bought some good led lights at a very cheap rate from this website.
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