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Rechargeable Batteries for TX


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  • 3 months later...
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Hi Jim, Good suggestion. Fast charge (1 hour or less) is particularly hard on high capacity NiMh batteries. Eveready used to have a 15 minute charger. It not only destroyed 2700 mAh PowerEx batte

The black Eneloops have a very flat bottom which can cause connection issues in some devices. Do the Amazon batteries have that same flat bottom?

Daniel,     No issues at all... I just have had such good luck with the Enloop pros I have not wanted to switch. The jacket as I said seems more fragile and softer on the LADDAs..  I have se

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A few points about the tubular style battery holders with the teeth that shred the outer casing of the battery.

 

The reason I use them, despite their destructive nature, is 'cause they are way more convenient to grab a single battery with one hand, while moving fast on a doc shoot- I can't use a battery case with a lid that holds 4 batteries- that's a recipe for 3 batteries on the ground and one in my hand... Also they are great for showing you which batteries are charged or not depending on which end is stuck in the case.

 

But they sure make a mess of the wimpy plastic sheath that rechargeable batteries are wrapped in... which can lead to dead shorting batteries in some (badly designed) metal lined battery compartments, or, more likely,  bits of plastic sheath covering the end terminal and interrupting current flow, or just bunching up and making it hard or bloody impossible to get the batteries out of the device they are in.

 

To deal with the problem of the jaggedy battery tube:

 

First, you can dremel or cut the "tooth" to be smoother and not as big or abrasive- be careful about cutting too much off, since it will let the battery fall out.

This lets you do the one handed battery change, although it is still possible to do damage to the battery over time, 'cause there is still some friction.

 

The other trick is to bend up the "tooth" (which is on a flexible tab) with a fingernail of the opposite hand that is grasping the battery while inserting or extracting it.

It's not too difficult, though it takes away the ability to do a one handed battery exchange.  This is the way I do it when changing batteries in a non hurried fashion at the beginning of the day or lunch...

 

These might be super obvious tricks to some of you all- but it took me a while to figure them out, and a lot of damaged battery casings, so I though I'd share,

especially since it's often the tiny things that can make a big difference...

 

Cheers,

Brent Calkin

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  • 7 months later...

I thought it was time for a review of my KentLi Li-Polymer batteries after three years of use. The average usage has been twice a week for three years or around 300 times each. Of the 48 batteries I have, the first two have failed, one cell failure and one regulater failure. The remaining batteries seem to still be in good condition. I like the KentLi batteries because I can measure both the voltage of the cell and the regulated 1.5 volts. They have three accessible terminals, one negative and two positive.

 

I haven't experienced the high-pitched sound mentioned  elsewhere and overall I'm happy with these batteries. On the other hand, I would guess that NiMh Eneloop Pro's would perform equally well.

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5 hours ago, RadoStefanov said:

Ikea Ladda does not hold up against Eneloop Pro and Powerex

Every ikea Ladda I had was discarded by my maha charger a lot quicker then ENELOOP Pro.

But You get what you pay for.

 

Not my experience. Eneloop Pro and Ladda compare very favourably, and the Ladda covering doesn't seem to crack as much at the edges as the Eneloop Pro. I also always use slow charge on all rechargeables.

Edited by Jim Rillie
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54 minutes ago, Jim Rillie said:

[snip}  I also always use slow charge on all rechargeables.

Hi Jim,

Good suggestion. Fast charge (1 hour or less) is particularly hard on high capacity NiMh batteries. Eveready used to have a 15 minute charger. It not only destroyed 2700 mAh PowerEx batteries in just a few recharges, it wore out the Eveready batteries in about 10 recharges. The self discharge rate increased to half discharge in a just a few days.

Best Regards,

Larry Fisher

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2 hours ago, Jim Rillie said:

Not my experience. Eneloop Pro and Ladda compare very favourably, and the Ladda covering doesn't seem to crack as much at the edges as the Eneloop Pro. I also always use slow charge on all rechargeables.

+1

I have been quite happy with the AA Ladda 2450 for more than a year now, and while I can't claim to have done any structured testing, I haven't noticed any variance.

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6 hours ago, Jim Rillie said:

Not my experience. Eneloop Pro and Ladda compare very favourably, and the Ladda covering doesn't seem to crack as much at the edges as the Eneloop Pro. I also always use slow charge on all rechargeables.

My experience with the casing is the opposite. Ikea ladda break easier in my opinion. 

3 hours ago, Rick Reineke said:

I have some of the Ladda 2450 AA batts, and have not 'noticed' a difference with my Enloop Pros. I do have a fast charger. As I understand, fast charging reduces the number of charge/discharge cycles.

There has to be a big difference in quality. As soon as my maha smart charger tells me to discard a battery I try to do factory restore and if that does not work I toss it. Ikea ladda and amazon rechargbles last a lot less then eneloop. If I need batteries for slates, erx and house appliances I use the regular eneloop which last forever and are cheaper then pro.  And the price difference does not make me use inferior battery.  

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