A $1 power supply, I have ordered on.
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A $1 power supply, I have ordered on.
I do generally not like AA based power banks. 4xAA is about the same energy as one 18650 cell.
http://mgb.maxell.eu/de/products/aa-battery-powerbank-936.aspx
https://www.ebay.co.uk/dsc/i.html?\_from=R40&\_sacat=0&LH_TitleDesc=1&\_nkw=790415+maxell&LH_PrefLoc=2
HKJ will do you a roundup of chargers for 2018? Or do you think this page is good enough: https://lygte-info.dk/info/roundCellChargerIndex%20UK.html ?
thanks for all the hard work!!
I have never done a roundup of chargers, in late December I do a status where I list some noteworthy products from my testing during the year.
That's what I probably meant.. I thought you sometimes showed a list of recommended chargers...
I’m not looking for a power-bank but a portable/small form factor LSD Rechargeable battery charger, able to use it as a power-bank will be useful/bonus but not a criteria.
Question is….has anyone come across a USB portable AAA AA charger which also acts as a power-bank and charges individual cells. Something like a Xtar PB2 but for MiNh
Charger & Powerbank:
https://www.amazon.de/reVolt-Powerbank-Batterie-USB-Powerbank-Batteriebetrieb-Weiß/dp/B00ENG4GXE
https://www.amazon.de/equinux-tizi-PowerSnack-universelles-konventionellen/dp/B00QWZ02L4
https://www.amazon.com/Verbatim-Power-Bank-Charger-97928/dp/B007MLHS2S
https://www.amazon.com/SANYO-eneloop-charger-output-KBC-E1AS/dp/B002S0N8X6
https://www.ebay.com/itm/MOBILE-BOOSTER-AA-ENELOOP-CHARGER-CON-PRESA-USB-SANYO-KBC-E1S-NUOVO-lrx/302799612441
Charger only:
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https://lygte-info.dk/review/Review%20Charger%20Ikea%20Vinninge%20403.036.32%20UK.html
https://lygte-info.dk/info/roundCellChargerIndex%20UK.html
How do you think about XTAR VC2S?
https://www.gearbest.com/chargers/pp_009649709878.html?lkid=15540141
How do you think about XTAR VC2S?
https://www.gearbest.com/chargers/pp_009649709878.html?lkid=15540141
I do not have anything to say about it yet, but Xtar has promised me a review copy.
Nitecore UMS4
UMS4 is a QC input available intelligent USB four-slot superb charger with a total max output of 4,000 mA and a single slot max output of 3,000 mA.
With LCD display for real-time charging information, it is equipped with a USB charging port for outdoor charging
UMS4 is a QC input available intelligent USB four-slot superb charger with a total max output of 4,000 mA and a single slot max output of 3,000 mA. With LCD display for real-time charging information, it is equipped with a USB charging port for...
I definitely want to review that charger, but it will first be next year, I have a lot of chargers in queue.
Nitecore UMS4
UMS4 is a QC input available intelligent USB four-slot superb charger with a total max output of 4,000 mA and a single slot max output of 3,000 mA.
With LCD display for real-time charging information, it is equipped with a USB charging port for outdoor charging
That looks a bit similar to the Nitecore SC4 (SC for “Superb Charger”), except it uses USB Quick Charge voltage to power that charger.
If it’s sort of a modification from the SC4 to adapt for USB QC input voltage, hopefully it won’t have the bugs/”features/annoyances” that are present in the SC4 (the SC4 time-sharing of charging certain slots seems to be also present in other Nitecore chargers; but also in some SC4, the capacity charged display can display grossly incorrect charged capacity results, as mentioned by several user reports when the SC4 is charging all 4 slots, maybe related to the “charging time-sharing”?)
Hi HKJ, hopefully you can fit the Zanflare C2 into your queue.
https://www.amazon.com/Display-Universal-Zanflare-Rechargeable-Batteries/dp/B07F3KMVTM
Hi HKJ, hopefully you can fit the Zanflare C2 into your queue.
Probably not this year, I have a lot of chargers in queue at the moment.
How about flashlights with built-in chargers?
Here’s a comment on the charging behavior of the Sofirn SP32A V2.0
that’s currently being offered at a discount (read the first post, email them for a code):
Thank you for the hint with AliExpress. Concerning the voltage: I’m not saying the charger is dangerous nor safety would be at risk for the battery. Instead, the battery will be worn down quickly for pushing it to/beyond its specifications. It’s not only the 4.21V but also the extreme long CV phase that is applied to the battery. Usually, voltage drops from 4.20V to 4.14-4.16V when charging is finished as the termination phase is rather short.
where Lux-perpetua said
Concerning the voltage:
I’m not saying the charger is dangerous nor safety would be at risk for the battery. Instead, the battery will be worn down quickly for pushing it to/beyond its specifications. It’s not only the 4.21V but also the extreme long CV phase that is applied to the battery. Usually, voltage drops from 4.20V to 4.14-4.16V when charging is finished as the termination phase is rather short.
How about flashlights with built-in chargers?
I like to measure the battery voltage while testing chargers, that is rater difficult on a flashlight without drilling holes!
Can a charger that’s capable of providing say 1 amp to a slot somehow detect a smaller cell and reduce the charging current?
Can a charger that’s capable of providing say 1 amp to a slot somehow detect a smaller cell and reduce the charging current?
That depends on the charger, some can, either by testing the length of the cell or by measuring the internal resistance.
hank:Can a charger that’s capable of providing say 1 amp to a slot somehow detect a smaller cell and reduce the charging current?
That depends on the charger, some can, either by testing the length of the cell or by measuring the internal resistance.
Some Nitecore chargers do that, I know the SC4 and the F1 does that. I think 14500 or 18350 get 0.5A while 18650s get 1A (for the Nitecore F1). The SC4 also has something similar (check HKJ’s reviews for detailed info).
Not a huge nitecore fan but the new UMS2 and UMS4 really interest me since it has QC3 input. I really dislike barrel plugs with only 1 purpose when I always have half a dozen various high speed USB all around the house.
Consider this my request for expediting any future QC2/3/PD chargers with that for the INPUT