All Questions
Tagged with buck-boost batteries
19
questions
0
votes
1
answer
38
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Reliable battery power converter for ESP32 [closed]
I have seen similar (but just similar) questions here, so I decided to ask anyway.
What is a buck-boost module, preferrably from Aliexpress, that I can use to power an ESP32 with 3.3 V from a 3.7 V ...
- 123
1
vote
1
answer
310
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How to get a stable 3.3V/2A output out of a single cell (18650 Li-ion) battery?
In my tiny quadcopter, I need to power a long range wifi card which take 3.3V/2A max as input. The quad runs off a single high current 18650 Li-ion battery.
Are there any chips or modules that will ...
- 337
1
vote
1
answer
30
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Li-Ion Battery Array: V.out ≥ 3.5 [V], I.out ≤ 1 [A] : No voltage regulation? Boost? BuckBoost? SeriesxParallel — 1x4? 2x2?
With a lithium ion cell array as follows:
n.cell = 4.0 [-]
V.cell.max = 4.2 [V]
...
- 437
1
vote
1
answer
130
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How to connect in serial two 2S Battery pack but charge them seperately?
I want to create a circuit that has input 12V DC and uses this voltage both charging two 2S (7.4V Li-Ion without balancing wire with BMS Circuit on the pack) batteries and at the same time supplying ...
- 44
1
vote
1
answer
243
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Buck–boost converter on a lithium battery with a variable DC output
I have a battery with a DC port that is rated 9-12V 10A. I don't really know what that means. My guess is that the voltage of the DC port can go from 12V to 9V when the battery capacity is low.
I need ...
2
votes
2
answers
216
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Boost battery voltage without regulating it
I'd like to boost the voltage of a lithium battery while having the converted voltage reflect the battery's state of charge (such that the output voltage equals the input voltage plus a set amount).
...
- 21
0
votes
1
answer
142
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Charging a battery with a lower voltage battery
Is it possible to charge a 44.4 V LiPo battery with a lower voltage LiFePO using a boost converter and some form of overcharge protection? I have a battery powered plane using a 12s lithium polymer ...
- 23
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votes
0
answers
150
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Hybrid charger and NVDC charger
I have some questions about the battery chargers.
Here are my questions,
1.) Could someone explain the Narrow Voltage DC charger, I try to google it, but I am still very confused.
2.) In what ...
- 413
0
votes
2
answers
69
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Problems with LiPo Volt buck boost for a LED
I need a little bit of help in understanding buck-boost converter.
I have 4 LiPo 18650 batteries in series an BMS to charge and discharge the batteries properly.
After that I added the buck-boost ...
- 1
0
votes
1
answer
62
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How I can manage my voltage and current requirement for my loads
I have a battery power source of rated 25.9 V, rated capacity is 10Ah
I want pure 24VDC and enough current for the following loads
3 motors each of the operating voltage is 24V and nominal current is ...
2
votes
0
answers
136
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LiPo battery sparks when used with DC step up convertor
I'm using a LiPo battery 700mAh 3.7V with MT3608 DC-DC step up boost converter module 2V-24V 2A.
The problem is when I connect these to anything or even the wires just touch each other they produce a ...
- 21
1
vote
0
answers
236
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12 V load doesn't turn on with boost converter
I'm trying to build a power source for my router during load shedding, but the router doesn't turn on when connected to any sort of boost converter.
I have tried five more different routers from ...
- 141
0
votes
1
answer
311
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How to Wire DC Motor to Solar Panel and Battery to Only turn on at Night?
I have tried looking this up on google but can only come across ones that have the motor running all the time from the solar panel and battery, where I need it to run only at night. So anyways, my dad ...
- 37
0
votes
2
answers
1k
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Designing a Buck Boost Regulator 12V Circuit
I have been trying to source a Buck/Boost IC to design a circuit for my needs but I'm having a little trouble understanding how I would do this.
I am currently designing a circuit that will provide a ...
- 99
0
votes
1
answer
153
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Boosting 18 V drill battery to 60 V to power LED lights, problems with voltage stability
I have a bunch of Dewalt 18 V batteries and 2 LED shop lights that I converted to DC, specifically 60 V, 1.5 amps per strip. I have had mixed luck and I am looking for a better approach.
I have no ...
- 3