EC Technology® 18000mAh Ultra Slim (12mm thin) Dual-Port External Battery Aluminum Alloy Power Bank Charger for iPhone 6 6 Plus 5S 5C 5 4S 4, iPad Air, mini, Galaxy S5 S4 S3, Note 4 3, Nexus, HTC One, most other Phones and Tablets-Green
The EC Technology® 18000mAh Ultra Slim (12mm thin) Dual-Port External Battery Aluminum Alloy Power Bank Charger for iPhone 6 6 Plus 5S 5C 5 4S 4, iPad Air, mini, Galaxy S5 S4 S3, Note 4 3, Nexus, HTC One, most other Phones and Tablets-Green is yet one more high quality computer hardware component now available with an amazingly affordable price, making this hardware terrific value for money!
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Battery Pack Features
- Aviation Aluminum body design to ensure durability. Ultra slim size makes it easy to carry and fits easily into handle bag.
- Constructed with A+ Li-Polymer battery cells and build-in microchips to ensure safety use and long lifespan.
- 18000mAh capacity with high efficiency rate enable it to charge an iPhone 4s 10 times, a large capacity phone like Glaxy S4 5 times, or an iPad mini 3 times.
- 4 LED indicators reveal the battery level,Dual USB (1.0A + 2.1A) for charging 2 devices simultaneously.The light has 3 modes: bright/average/SOS.
- Package contents: EC Technology 18000mAh External Battery,1 Micro USB charging cable, user manual.
Product Description
THE SPECIAL POWER BANK LEAD TO SPECIAL LIFE
Slim & Sleek
Ultra Slim Design: Easy to carry, Just 0.47 inch thin, one of the thinnest power bank in the world.
High Capacity
18000mAh capacity with high efficiency rate enable it to charge an iPhone …
Read More: Please follow the link for the full – Product Description.
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I got the same pack and How you get 5 cells? When there is 4 cells in my’n
I have my doubts you can balance 4 batteries like that because you cannot
balance 20 cells, (4 x 5), with a 5 cell balance charger. Cells inside the
same battery may have different voltages, because you are only getting an
average of 4 cells, instead of a precise measurement of one cell.
Can you share how do you control the engine speed/power of your bike? Do
you use commercial ebike parts or RC parts too? Thank you.
I got the same pack and How you get 5 cells? When there is 4 cells in my’n
Where did you get those balance leads?
brilliant noob guide mate! I set mine up in an ammo box just like yours but
i have a 1000w motor that needs 48v. So i’m using six 7.4 v lip’s all in
parallel . Its a real pain in the arse as i have to take them all out and
plug them individually into a six plug parallel board. So your idea of
joining the balance leads was of great interest as i could leave out the
parallel board. My only other problem is that i have a charger much like
yours and it only goes up to 22volts and 6 amps.
As my battery bundle in total is 48 volts and each battery is 13amps.
Do you think there is a simple (with as little unplugging/replugging) way
to charge , without having to buy a charger that can handle 48volts?
Great video, thanks. I have 4x 3S batterys for my 48v bike and I take two
turns in charging each pair in serial. It is too much fuzz so I will
definitely step into the world of parallel charging. I also like the case.
Have to find me one of those :).
you need to stop over discharging your packs, they shouldn’t get puffed
like that…. ever lol.
Have a look at this on ebay:
Item number: 321343033811
T Plug Parallel Charging Balance Board for Lipo LiFe Li-ion IMAX B6 B8
Charger
hi i just brought a 60 v motor can you make a suggestion for what lipo
batterys to use do you think i should use 5 x 12 volt or 3 x 20 volt any
suggestion would be awesome please
What if I wanted a 24v 20ah battery
Those battery’s are not square , frank
A year ago you referred me to tech support forum that was very helpful on
DIY battery packs. What is that website called, all I remember is a two
part name. Thanks again.
better be carefull with those. they look like they are starting to loose
the square shape.
would it be possible to use a 5ah 48v lipo battery pack for a 35a continous
1680w motor even though the runtime would be only 9 minutes? would this
stress a 5ah pack to much even if the c rating was enough. i only need it
for going uphill offroad
The factory specs for my cells are 35.2 AH per 16 cells. However my cells
are all wired in a series. Does your formula still work , if so it sounds
like a lot of AH for a $250.00 DIY project. I have a 48v. 5A charger, what
is the best way to monitor when to recharge, using a volt meter or battery
life indicator?. Thanks again for letting me pick your expertize.
Well if the 16 cells are connected in series that means that each
individual cell capacity is 35.2Ah (too high). Did you buy from a reputable
source. Your questions are going into specifics that make me believe that
your understanding of batteries, their care and handling is a bit limited.
That is a recipe for disaster. Please go to the second link I listed on the
video description (endless-sphere). In that forum you will find a breath of
info about batteries, chargers, E-bikes, care, etc..
The range you get out of you pack is a function of: the motor you have, the
age of your pack, the riding conditions (i.e. temperature, slopes along
your ride), the overall weight of the bike + rider, the speed at which you
ride and the assistance ( how much pedal) during your ride. Anyways when
the pack was new I was using about 0.5Ah/mile. Now with about 300 cycles
(charge/discharge) I’m using about 0.85Ah/mile. That is with a 750watt
motor, about 240lb combined weight, fairly flat ride and
So, If I understand correctly you have four 4p4s battery pack. That is on
each 16 cell pack you have 4 sets of 4 batteries (these are connected in
parallel hence the 4p) connected in series (hence the 4s). So each four
batteries connected parallel behave as 1 big cell. Now, you could serialize
the smaller 4p4s pack to make a big 4p16s pack. You would need to do some
soldering a wiring but should end with a balance lead that has 17 wires to
you bms.
My BMS has only 16 balance wires, so you lost me with your mention of 17
wires. Was that just a typo?.
I have 64-18650 cells, in the form or 16 factory welded 4packs or 16 cells
per bank, 35.2AH each. I have a 48v 16s BMS PCM PCB with specs of 57.6v.
Can my battery configuration be, 4 banks of 16 cell, with balance wires
going to each of the 16- 4packs?. I’m lost on what you must call the easy
stuff. Mil gracia hermano.
I just replaced this pack. I made a bigger, 37v 20ah pack (10s4p) to
complete my 20 mile round trip commute to work. I have a 36V 750 watt motor
that during peak consumption utilizes 26 amps. For each 10 mile leg of my
trip I consume anywhere from 5ah to 6.3ah. The lower value is with me
pedaling without breaking a sweat. The higher reading is sporadic pedaling
(maybe 20%to assist during accel). At an average speed of 20mph. My comute
is on a bike path so most of time I’m at full speed.
Endless-sphere is shop talk for those who have already built battery packs,
and of little value to beginners. My 35.2ah pack reads 61.2v un-charged, so
just what is this disaster you see. Does my pack need a kill switch, like
your pack needs a BMS?.
Each four pack is welded to form one cell. Each batter bank has 4-4packs
for a total of 16 – 18650 cells. The BMS only has 16 balance wires so I
thought I could solder one to each of the 16 -4 pack cells. Am I on the
right track or did I miss something?
Well what is the capacity if each individual cell? Find that then multiply
it by the number of cell in parallel. Simple..