Best Inexpensive NiMH Charger?

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Billy X
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_Having looked at HKJ’s this Enova charger has the temp bump at charge termination on the Eneloop graphs and is rated good for Ni-MH.this Enova charger does not have the temp bump and is rated as not fully charging the cells.
You have to scroll down just past the thermal imaging pictures.
Merry Christmas :santa:

HKJ
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Photons Away wrote:
It seems we need an authoritative definition of a "smart charger" upon which we can agree.

Smart charger was first used on NiCd chargers for all chargers that did not use timed charge, i.e. detected battery charge state and terminated when the battery was full, instead of just charging for a fixed time period.

Looking at the specifications for BQ-CC17 it looks like it barely fit the "smart charger" description: it has fixed time charging and will stop early if it gets hot (TΔ  /Timer) (Depending on implementation it can be a valid smart charger termination).

The BQ-CC16 looks much better: Smart Charge1/-ΔV /Timer. I do also have a review of it, but I do not know when I will publish it.

My website with reviews of many chargers and batteries (More than 1000): https://lygte-info.dk/

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The BQ CC17 description says it uses deltaV. The lack of ΔV on the spec table could be an error, no?
TΔ as a backup in case deltaV is missed.

Photons Away
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HKJ - Thank you for your input. I did try to find any reviews of yours for any of the Panasonic/eneloop chargers but found none. Please publish your review as soon as it is convenient for you.

 

How about that BQ-CC15 I had found? The tech sheet does have the various charge currents specified.

HKJ
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Photons Away wrote:
I did try to find any reviews of yours for any of the Panasonic/eneloop chargers but found none. Please publish your review as soon as it is convenient for you.

 I did this as a "backup" review to use if I do not have any other charger review ready. At the current time I do have a few chargers in queue and also reviews ready for some of them.

Photons Away wrote:
How about that BQ-CC15 I had found? The tech sheet does have the various charge currents specified

I could not find much info about it, but it may use a timed charge for 9V batteries (16 hours charge time sounds suspicious).

My website with reviews of many chargers and batteries (More than 1000): https://lygte-info.dk/

Photons Away
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Photons Away wrote:
...Panasonic has no page with NiMH chargers all on one page...

Well I found a page with multiple Sanyo Chargers but it may be dated as it seems Panasonic is making too much money to care about details in their marketing efforts these days. This is also from their Singapore regional office intended for South Asia distribution so models may have a different model number elsewhere. This is posted for the convenience of those who may wish to peruse the selections from Sanyo/Panasonic: http://panasonic.net/energy/eneloop/sg/?p=battery-chargers

I probably got ruined looking at all the various chargers since now I want a SkyRC MC3000 found in their catalog but not on their regular charger page. Their new 2015 pdf catalog can be gotten from here: http://www.skyrc.com/download/catalog.pdf

More news as it comes in!

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Photons Away wrote:
I probably got ruined looking at all the various chargers since now I want a SkyRC MC3000 found in their catalog but not on their regular charger page. Their new 2015 pdf catalog can be gotten from here: http://www.skyrc.com/download/catalog.pdf

More news as it comes in!

Me too! Interesting thread on the other side about the SkyRC MC3000. I think a Spring launch was suggested (hope they mean Spring in the Northern hemisphere). Wink

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Yes I saw that thread and have been following it. Now....to try to save what probably will be >$100.

hank
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An odd variation — I’m looking, for friends, for a charger that
— handles NiMH properly,
AND
— takes 18650-sized cells — that size cell, when it’s NiMH, is called a “4/3AF” cell

Example: Sanyo 4/3AF 4500 mAh

(I gave them a couple of magnet-wire-alligator-clip extensions to use to charge this size cell with a regular Eneloop AA-size charger; that works but it’s clumsy)

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So any li ion capable charger that handles nimh properly should also work? Li ion capable means 18650 will fit, nimh charging for the chemistry. im just spit balling as Ive not seen the battery you refer too.

Nitecore D4 or 2 should work, Opus BC3100, XTAR VC4 or 2?

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Yep, and “inexpensive” I think rules out the Opus. That’s about what I came up with too, plus the latest version Nitecore I4/I2.

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hank wrote:
Yep, and “inexpensive” I think rules out the Opus. That’s about what I came up with too, plus the latest version Nitecore I4/I2.

This Opus at $17 gross is not bad perhaps? http://www.gearbest.com/chargers-batteries/pp_52555.html

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Nitecore i2 / i4

MountainKing
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Niteore i2 for about $10-12 bucks….Best value for money imho.

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hank wrote:
Yep, and “inexpensive” I think rules out the Opus. That’s about what I came up with too, plus the latest version Nitecore I4/I2.

The Nitecore i series are noted by HKJ as having potential issues re: nimh, fine for li ion, but theres potential to miss terminations in nimh, and iVe read two people state theyve cooked nimhs using them.

The D series uses -dv/dt so doesnt have the same issue. Not sure about a new i series though.

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Nitecore I-series 2014 models supposedly fixed failure to terminate problem, but added a trickle charge problem. “changed NiMH charging. With the added trickle charging the batteries will be filled, if they are left in the charger, but they will also be over charged if left to long, due to the high trickle current.” -hkj The older I-series sometimes missed termination but didn’t trickle charge

> This Opus at $17
That’s AA/AAA only, doesn’t take 18650-length (4/3AF length) cells, which is what I’m looking for.

Opus BT-C3100 “charger is using a CC/CV algorithm for NiMH … uses trickle charging when the main charge is finished, this is not really a good idea for LSD cells.” — hkj

Xtar VC2 doesn’t charge NiMH; EDIT: VC4 does
VC2 doesn’t include a power supply; and requires USB 5v EDIT and that works out fine

Probably going with the Nitecore D2 or D4 I guess, unless something better shows up fairly soon.

I guess the rule is “good, inexpensive, fast — pick any two”

EDIT: I ended up happy with an Xtar XP4c (which has one slot that will cycle (discharge/charge NiMH) and an Xtar VC4 (for the meters showing voltages); I’m figuring the 500 mAh charge is acceptable for 950mAh Eneloop AAAs.

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I’m happy with the Sanyo quick charger (MQR06). I bought it together with four Eneloop Pro AA. It looks very much like the Panasonic Quick Charger (BQ CC16) so it might be the same product just with a different name. I think it’s a pretty good deal when you buy it together.

hank
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> Sanyo

Yep. Looks like a fine charger for AA/AAA cells.

It won’t accept the 4/3AF size NiMH cells though.

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hank wrote:

Xtar VC2 doesn’t charge NiMH; doesn’t include a power supply; and requires USB 5v

Probably going with the Nitecore D2 or D4 I guess, unless something better shows up fairly soon.

I guess the rule is “good, inexpensive, fast — pick any two”


XTAR VC series will do nimh, its the VP that does not. PSU can be just a run of the mill USB phone charger, a 2.1 amp tablet version would be better. Most modern smart phone PSU are 1 amp, so a VC2 would be getting somewhere near 500ma each. If going with the VC4 Id use my tablet PSU so again each slot could get somewhere near 500ma, a VC2 would be able to do near 1 amp per slot with the same PSU.
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Yeah OK, hadnt noticed the VC2 is li ion only, the VC4 is both. Well thats embarrassing. I wonder why that is? Maybe a new VC2 is on the way and the one you link predates the VC4?

hank
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Yep, VC4 is different:

and — hmmm, slightly longer slot, hkj says: “cells from 30mm to 71 mm long.”
That’s a plus, for what I’m looking for — for the 4/3AF NiMH size.

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The VC2 is replaced by an improved — NiMH capable — VC2+Master
(thread goes offtopic after about 16 responses, no need to wade through it all)
http://budgetlightforum.com/node/41813
I don’t have one; I“m happy with an XtarWP2H, and nowadays that’s what I’d give people who want to charge NiMH from AAA on up, as it fits the 18650-sized 4/3AF NiMH cells.

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Tenergy TN142 2-Bay AA/AAA NiMH Fast Battery Charger

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I have a Panasonic four channel charger which is cheap and good but not made anymore. I bought an Xtar Vc4 from GearBest, they were sometimes doing them for about $20, a bargain price, you need to follow the sales threads here, but clearly I do not know if and when they will do it again.

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Which one did u buy ( Ni-Mh )

sumesh

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kst wrote:
Great sale prices on all Nitecore chargers here: http://www.illumn.com/batteries-chargers-and-powerpax-carriers.html?cat=...

 

I know this is an older thread.........

Nitecores are great for Li-ions and will work with Nimh BUT the Opus 3100 does a better job with Nimh. I tried using the D4 for Nimh but it does not seem to want to finish/terminate properly and the batteries get hot. I was going to buy a dedicated Nimh charger, and probably still will for my parents, but I went back and read the review for the Opus 3100 and tried that. Viola!! Perfect!

The advantage about the Opus 3100 is that:

  1. You can also discharge for break-in/conditioning Nimh
  2. It can analyze the batteries (as well as any can for this amount of money)
  3. It will also do the Li-ions at 4.35

It is more than $15 but for an additional $15 you get more than twice the charger.

Note: If I recall correctly, the Opus 3100 does not do the LifeP04 but I know the Nitecore D4 will do that for me.

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bugsy36 wrote:
Note: If I recall correctly, the Opus 3100 does not do the LifeP04 but I know the Nitecore D4 will do that for me.

The same internal switch that makes the opus a 4.35v charger also have a 3.7v mode Wink

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I have a lacrosse but just bought an eneloop bq-cc17 as a gift
since it has independent channels. the charger with 4 eneloops is $16.21 on amazon right now. it’s slow @200 but IMO way better than the paired cell chargers at stores like walmart.

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I don’t know what inexpensive means, and what “best” means but the Lii-400 does a pretty good job with NiMHs, it terminates on -ΔV so it fills batteries completely. It also charges 3.7V LiIons as a bonus. For a $21-$25 charger I think it’s great.

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