Review request for HKJ [Rechargeable Batteries]

Batteries and Chargers Rechargeable Batteries
347

Do not worry about asking me to review crap cells, in my opinion they are just as important as high performance cells to review (But I am not going to review all crap brands).
At the current time I am not looking for more cells to review, that will be a few months, but I still like suggestions and will review them when I need more cells.

It is interesting to compare today’s review (Aspire 1800mAh) to the Vapcell 2000mAh. In the 10A to 25A range the winner can be discussed. I.e. I would not declare either of them the ultimate winner.

And I am not sure where the Vapcell is from, over the next many months I am going to add a lot of brand name batteries to my comparator and it will be possible to see if there is a match.

348

Sorry but I did t read through the entire thread but what charger or test device are you using to get a true capacity mAh reading from the batteries? I’m looking for a decent, not too expensive charger that gives a true mAh reading. Thanks.

349

At the bottom of each review is a link that explains about it.
Basically I use a electronic load (Lab grade) and a power supply with a relay box, everything controlled from a computer with my software on it. This way I can do a automatic test at many currents automatically (I would never have been able to do this for years without automation).
The cheapest way to test batteries is probably a hobby charger and a DMM (See my reviews) to confirm it is correct.
Most LiIon charger use pulsing loads and this is a bit difficult to very how precise they are and they can never be that precise, because the termination will always depend on the IR of batteries at some unspecified high current.
The SkyRC MC3000 is probably the best “cheap” solution for multiple battery testing, out of the box it is about 1.5% (My experience with a couple of them) and with a good DMM you can easily make it more precise.

350

Thanks for the very quick and detailed reply. I appreciate that. I don’t need exact and precise readings. If a battery states it has a capacity of 2600mAh and I can get a reading of 25xx something something, I would be okay with that. I bought some Samsung 30Q’s from Banggood a few weeks ago and I’m questioning their authenticity. Have you seen anything questionable from Banggood lately? Thanks for all your excellent reviews and quick replies to questions. :+1:

351

I do not really keep track of where I get my batteries (Except as notes to my reviews), I just order when I see (Or a told about) some interesting cells.
At the current time I have not marked any shop as bad, but there are brands that I do not trust (As you can see here: Batteries with Ridiculous Ratings ).

352

Part of today’s work: adding batteries to my queue

Many of then are low capacity high current batteries from LG, Samsung, Sony, Sanyo (One was 1300mAh 20A)
I have more I need to add.

353

LiFePO4 3.0V 400mAh 15266 CR2 Size Rechargeable Batteries (4-Pack) @ FastTech

Unique, odd stuff. If these are at least as good as the existing 14500/10440 LiFePO4 cells, capacity should be close to 350mAh, with up to 10C discharge rate.

I know this may be meant for photographic devices, yet I'm pretty sure a couple could be stuck in certain “14500” flashlights. Just curiosity.

Cheers ^:)

354

Sofirn 14500 900mah batteries

https://www.aliexpress.com/item/Sofirn-2-Pieces-set-14500-900mAh-Li-ion-Rechargeable-Battery-Batteries-Baterias-Bateria-For-LED-Flashlight/32840564123.html?spm=2114.search0104.3.243.0vdoiC&ws_ab_test=searchweb0_0,searchweb201602_4_10152_10065_10151_10068_10344_10345_10342_10343_10340_10341_5900020_10541_10587_10304_10585_10307_5670020_10301_10060_10155_10154_10056_5880020_10055_10539_10537_10536_10059_10534_10533_5890020_100031_5740020_10577_10103_10102_10142_10107_5860020_10562_10084_10083_10177_5650020_10312_10313_10314_5660020_10550_10073_10551_10552_10553_10557,searchweb201603_25,ppcSwitch_5&btsid=9beeaba9-64fb-4938-8722-8df05544cbfe&algo_expid=bca6daee-def7-4caa-85fa-439bcbecb58c-30&algo_pvid=bca6daee-def7-4caa-85fa-439bcbecb58c

After the later tests of their Ni-MH batteries, would these worth a try? :wink:

355

I have ordered these and the CR2 LiFePO4 cells.

356

Thanks Henrik.

I despise the “state of the art” in rewrapping technology (LoL!). The big cell manufacturers discredit themselves often also, even if to a considerably lesser extent. In my opinion, there's no good reason to put a never met specification on a label. There are some batteries which live up to their label specs, something esteem deserving.

I believe we should doubtlessly and respectfully point at the blamers.

Cheers :-)

357

I believe you are (also) talking about the cells I’ve posted above, right Barkuti? I also think they must be rewrapped, in the best of chances, some Sanyo with protection board, maybe!

Despite I agree with you on the “descrediting” of the original manufacturers, I can’t let myself forget that I’m a final user of a long chain, and that if a product is good at a lower price, I’ll try to grab what I need! Even if the “credits” for the core material go to others than those who sold me the “end product”.

Whenever I can, I buy “original” stuff , though!

Thanks HKJ and I’ll be looking for the tests! I ended up buying 2 of those 14500s, as I needed 2, despite being good or not so good :wink:

358

I wish you could add a filter to your battery comparator site.
Instead of just have them in alphabetical order you could have capacity and high current order.

It would help alot as you still testing cells and the list just grows longer.

Could you test these cells?

2pcs li ion 14500 rechargeable Genuine 14500 battery 3.7v 700mah high drain 12A
https://m.aliexpress.com/s/item/32381745233.html

15A high drain 18350 battery VAPPOWER IMR18350 3.7V 750mAh
https://m.aliexpress.com/s/item/32826504624.html

This one don’t have free shipping but gets really cheap when buying a few (postage doesn’t go up so much when adding more of them, less then double the postage when buying 12 of em Vs buying 1)

359

https://www.aliexpress.com/item/2pcs-14500-rechargeable-Genuine-hibatt-14500-battery-3-7v-700mah-high-drain-12A-for-e-cigarette/32381745233.html

These look like overpriced and overspecced TrustFire IMR14500/Windyfire IMR14500 class cells (Enercig TN14500HP/Enercig EC-14500HP also).

Nothing (good) to say with regards to the Vappower rewraps. :-)

Cheers

360

Can you test the new Nitecore NL1829LTP low temperature 18650 battery? Claimed to function down to –40C.

Will your test instruments fit inside a freezer? :wink:

361

It would be interesting to see Nitecore NL1829LTP review.

362

Hello HKJ,

I hope, you are still willing to review NiMH batteries, because I found an interesting new manufacturer :slight_smile:

https://www.aliexpress.com/item/8pcs-lot-Leise-AAA-1-2V-1000mAh-NI-MH-Rechargeable-Battery-aaa-Batteria-Rechargeable-NIMH-Batteries/32809653924.html

For this price, I would call them neither cheap, nor expensive.

I ordered one 8pcs set of these batteries, and I did a CDC test for capacity and IR with my Miboxer C2-4000 charger, which resulted the following: 1. 984mAh, 59mOhm; 2. 981mAh, 68mOhm; 3. 1004mAh, 56mOhm; 4. 963mAh, 66mOhm; 5. 973mAh, 73mOhm; 6. 970mAh, 55mOhm; 7. 982mAh, 57mOhm; 8. 960mAh, 57mOhm.

I think, these values are pretty good, when considering, the test was made just after opening the package, and found them at around 1.24V (I did no charge/discharge cycles prior to this test), AND, the discharge measurement was not on a minimal current, but the current the Miboxer C2-4000 offered for the test.

Also, I had a similar test run on these batteries:

https://www.aliexpress.com/item/Leise-8pcs-2a-AA-Battery-Batteries-1-2V-aa-2700mAh-Ni-MH-Rechargeable-Battery-8-Pack/32813456132.html

While my test results were somewhat short of the declared capacity, I think, they are also not bad: 1. 2318mAh, 47mOhm; 2. 2358mAh, 48mOhm; 3. 2357mAh, 47mOhm; 4. 2346mAh, 48mOhm; 5. 2348mAh, 48mOhm; 6. 2334mAh, 48mOhm; 7. 2355mAh, 46mOhm; 8. 2354mAh, 49mOhm.

After seeing these results, I ordered a small pile of these batteries, too (just a few days ago):

https://www.aliexpress.com/item/8pcs-Lot-Leise-High-Capacity-Series-AAA-NiMH-Rechargeable-Batteries-950mAh-Suitable-For-Remote-Control-Toys/32810198114.html?spm=a2g0s.9042311.0.0.V9ubQp

363

I have one low temperature LiIon battery in queue and am thinking about if I can do any test in the fridge/freezer. They will have to be manual with the equipment standing outside. This also means I will only be testing at one or two currents, maybe 1A and 3A would be fine?

I have ordered some Leise batteries.

364

Nitecore, as any rewrapper, can claim bullshit in their ads. Not really being disrespectful, I'd very much prefer the OEM datasheet though.

Cheers :-)

365

Is these 16340 worth checking out?
On the app I can see a review with pictures but on the browser page I can’t see any reviews.

Liter energy battery RCR 123 16340 780mAh 3.7V Li-ion Rechargeable Battery Lithium Batteries with Retail Package

Link: https://m.aliexpress.com/item/32833747694.html

366

Here's the full web link, EagleShield: https://www.aliexpress.com/item/Liter-energy-battery-RCR-123-16340-780mAh-3-7V-Li-ion-Rechargeable-Battery-Lithium-Batteries-with/32833747694.html

Review quote with Google translation and the pictures which matter to us:

• Аккумуляторы просто супер. Емкость чуть меньше заявленной, но они ещё должны раскачаться. Лучше не нашел. Упаковка просто супер: Пупырка + пластиковый бокс + пупырка + Картонная коробка Доставка очень быстрая: с момента заказа до получения - 14 дней. Продавец общительный, на вопросы отвечает.

• The batteries are just super. The capacity is slightly less than the claimed capacity, but they should still be swinging. I did not find it better. The packaging is just super: Puppy + plastic box + papyrka + Cardboard box Delivery is very fast: from the time of ordering to receiving - 14 days. The seller is outgoing, the questions are answered.

Cheers :-)

P.S.: these smell like TrustFire IMR16340 650mAh cells with a different wrap and a nice price.