Questions tagged [lipo]
Questions regarding Li-Po batteries (Lithium-ion Polymer, Polymer Lithium Ion or more commonly known as Lithium Polymer), including proper charging and usage.
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Connecting multiple Li-Pos, each with a separate BMS
I have some 3.7v Li-Po batteries, each has a welded BMS, and they're all the same capacity.
I need to connect them to get 11.1V and also be able to charge it.
Would that be possible, or the BMS will ...
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Problem estimating LiPo battery life for powering BLDC motors
I'm trying to estimate the battery life for a system powered by a pair of LiPo batteries, in which the main loads are two BLDC motors. I estimated the battery life by dividing the battery capacity by ...
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ESP32 PCB Review [closed]
I am currently designing a PCB to be manufactured. This version is my attempt at a working prototype. I am new to PCB design but am open to accepting any help I can get!
My part is meant to function ...
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How to correctly power an ESP32-H2 board with a battery
I'd like to power my ESP32-H2-DevKitM-1 board with a 3.7 V, 2000 mAh Li-po battery.
For this I think I must use this pin: Battery-3V3
The above picture is from the Pin Layout section of the ...
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LiPo charger with load sharing
I'm trying to make a LiPo charger + load sharing module that is mostly based on the popular TP4056 charger modules, this is my schematic:
I've made the prototype and the charging and protection part ...
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Can I charge my 3S2P 18650 battery (12.6v) with a normal 12v power adapter if I use a BMS with built-in balancing+protection? [closed]
First off, I would like to stress the fact that I am no electrical engineer or anything of the sort, just a hobbyist that is into this kind of stuff. So please bear with me, as I know a few things ...
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Can I safely operate a DC motor at 40% higher voltage than nominal?
I'm aware that you can power a wound motor (DC or even stepper) if you limit the current inside the coils. You cannot just apply a higher DC voltage to them.
I'm using a DRV8871 to control a VN-C1 ...
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Modifying Li-po and NiMH batteries
I have three 2s 7.4V LiPo batteries, two balance LiPo chargers that can charge 7.4V/11.1V 1s-3s batteries, and soldering tools lying around, so I'm wondering: Can I convert the three 2s 7.4V batteries ...
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How best to charge a 120 V series assembled Li-po?
I purchased ten 12 V, 30 Ah batteries to be run in series up to 120 V. The problem is that they each come with a 12 V, 3 A internal BMS.
I assume I must disconnect their internal BMS as the combined ...
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Do I need a buck IC to get 3.3 V, or a buck/boost, or an LDO?
The voltage supply of my FPGA and sensors circuit is 3.3 V. If I use a Li-po battery with 3.7 V nominal voltage and 3 V discharge cut-off voltage (the LP-803860 3.7 V, 2000 mAh with PCM), do I need a ...
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3S LiPo Battery charging for Raspberry Pi robot project
The Project
I have build a Raspberry Pi based robot with a RPi Camera to help me learn about computer vision and obstacle avoidance. It is powered from a 3S LiPo Battery that sends its power to a DC-...
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Power distribution PCB and Li-po batteries
I am hoping to work on a project over the summer and it requires a decent bit of current. I ended up going with two 7.4 V, 5400 mAh batteries and I was planning on running them in parallel.
With this ...
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Battery life of Li-Po battery if it is under constant charging
This question is to clear my confusion because I cannot find a logical answer. Say a vehicle is installed with a vehicle tracker ...
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Powering a Raspberry Pi Zero with a Li-po battery
I want to design a circuit to power a Raspberry Pi Zero using a single-cell Li-po battery (3.7 V).
I'm working on a portable hobby project that's required to be battery powered and allows recharging ...
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Hall-effect sensor PWM jitter from switching converter
I am designing a circuit to power two magnetic sensors using a Li-po battery (nominal voltage = 3.7 V), DC-DC boost converter, and then either an LDO linear regulator or a buck converter to generate a ...