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Questions tagged [capacity]

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0 answers
27 views

How to calculate the capacity from a given list of currents,RelativeTime and Time which are obtained through experiment?

I'm working on machine Learning Project to build a model that predicts Remaining useful life time of a battery using NASA dataset which consists data of four 18650 batteries (identified as RW9,RW10,...
GMI's user avatar
  • 1
0 votes
0 answers
34 views

TP4056 charge discharge for a NiMH prius battery?

I want to make a capacity tester for a 6 cell module for prius batteries. They have 6000mAh new and anywhere from 2500-5000 mAH used. I was wondering if theTP4056 would work for a NiMH battery and if ...
crispYpickle's user avatar
0 votes
1 answer
31 views

Lithium polymer battery size versus energy density

I am building a small device that needs to use a rechargeable lithium polymer battery. The dimensions I am looking for are 351125 { 35 mm (H) x 11 mm (W) x 25 mm (L) }, which is the standard way these ...
Sreenivasa Chary's user avatar
0 votes
1 answer
49 views

Lithium-ion battery 36V, 10Ah in electrical scooter

Battery lithium 36V, 10Ah is running for 9 hours with no load on the motor (with 0.5 A draining) which gives us 4.5 Ah, and for 2 minutes with load on motor (with 17 A draining). If we consider 4.5 Ah ...
Mohamed El Khamlichi's user avatar
0 votes
2 answers
43 views

What components will I require to ascertain the capacity of a lithium iron battery?

I see quite a few posts on measuring battery capacity. However, I cannot find one that shows how this is practically achieved (if there is a post, kindly inform me). I am assuming in order to ...
JoeyB's user avatar
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-1 votes
1 answer
68 views

Can an MN27 alkaline battery power my 12 V, 0.16 A motor?

I have two motors in parallel rated for 12 V at 0.16 A. They generate a small 14.4 pounds (64 N) of force combined at a slow speed of 30 mm/s. The motors open and close a door for this project. The ...
logpillow's user avatar
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0 answers
38 views

RTE schematic diagram for battery with a load

I am trying to draw a schematic to get information for battery round trip efficiency. My equipment is: 1 x 5 kW battery 1 x 48 VDC power supply 1 x 48 VDC load (const current) 1 x DC shunt 1 x ...
Randy98's user avatar
1 vote
1 answer
87 views

Why are life cycles used as a measure for battery health?

I was curious on how the depth of discharge for batteries affects the battery health as I've heard never to let your phone go down to 0%. I was searching online and every paper I found on this topic ...
import_hill's user avatar
1 vote
1 answer
40 views

Two 14S Lithium-Ion batteries have different charging speeds: the smallest is slower than the higher capacity one

Long story short: I built one 14S battery last year, using Molicell P42A cells. 6 cells in parallel for every series. So, around 58.8V total voltage on the battery. Recently I made another battery ...
justanaverageuser's user avatar
0 votes
1 answer
37 views

Determine capacity of batteries for solar installation

I have four 420 Ah 6 volt batteries wired in series and then parallel. What is the capacity of the combined four?
user347468's user avatar
1 vote
0 answers
68 views

18650 capacity tester opamp voltages on inputs different

I assembled an 18650 Li-Ion capacity tester with an Arduino Pro Mini. Here is the schematic: When I set the discharging current to 100 mA in the code (which means there has to be 100mV on pin 3 of ...
pomm es's user avatar
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2 votes
0 answers
77 views

How do you measure capacity without a constant current? (coulomb counting?)

What would be the most accurate (but not too expensive) method to find the capacity of NiMH battery cells when you are not able to use a constant current? Would using coulomb counting work or is that ...
Matthew3302's user avatar
2 votes
3 answers
956 views

How does mixing wire sizes affect voltage drop over distance?

I am installing a well pump. The pump is single phase 240 V, 12.3 amps and has a soft start. Supply voltage from the Mfg: 1 x 200-240 V –10%/+6%, 50/60 Hz. It's 200 feet (61 m) from the panel to the ...
SalmonCreekGuy's user avatar
0 votes
3 answers
985 views

Calculating battery run time

How long will a 12 V, 35 Ah battery powering a 5 V, 1 A device last? Yes, there is a 12-5 V converter in this circuit. Is the correct method for finding the solution to convert both sources to watts ...
SChand's user avatar
  • 53
1 vote
1 answer
78 views

Nominal voltage of supercap

Is it possible to replace a supercap e.g. an FCS0V224ZFTBR24 which is a 3.5 V type by its equivalent with a higher voltage (5.5 V), the FCS0H224ZFTBR24? The datasheet of both types is here. What will ...
Loetknecht's user avatar

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