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Redpacket's latest activity
R
Redpacket
replied to the thread
better resistor, method for testing 12v lithium/lifepo4 batteries?
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Yes, it's "normal" for power resistors like your & typical ceramic 5W/10W type to run very hot if dissipation is anything close to their...
Feb 20, 2021
R
Redpacket
replied to the thread
Fifth Wheel RV Build
.
Any reason you're not looking at large prismatics from day one? Might be more robust with better capacity? This guys does lots of...
Feb 2, 2021
R
Redpacket
replied to the thread
Realization About Buck/Boost Converters While Developing My First Power Box
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Like nz_lifter suggests above, it should be possible to have a process where: - on connection, measure connected input voltage with no...
Feb 2, 2021
R
Redpacket
replied to the thread
18650 Harvesting Flow Charts
.
I've updated the flow chart to larger size & included IR testing. Let me know any thoughts....
Feb 2, 2021
R
Redpacket
replied to the thread
Newbie Question - Measuring cell "true" capacity - % life remaining - damaging cells by testing - Lii-500 test set
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Maybe helpful to use one or both of cell testing flow charts here...
Feb 2, 2021
R
Redpacket
replied to the thread
Charging voltage for LifePO4 4S pack?
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It's a trade off between maximum possible capacity & getting into the part of the curve where it starts to jump up. The SoC is tracked...
Feb 2, 2021
R
Redpacket
replied to the thread
Charging voltage for LifePO4 4S pack?
.
Yes that's it.
Jan 30, 2021
R
Redpacket
replied to the thread
Charging voltage for LifePO4 4S pack?
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You will damage your batteries 100% certain. Solar panel will overcharge batteries. You must have charge controller like this: Solar...
Jan 26, 2021
R
Redpacket
replied to the thread
Diesel heater (error code 7) When invertor turned on
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Like ajw22 suggested, try a large capacitor, eg 2,200uF 25V across the controller input but also add a diode eg 1A/100V like this: Orion...
Jan 16, 2021
R
Redpacket
replied to the thread
Batrium and Australian smoke detectors
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I googled for "smoke detector with alarm contacts" & there where lots, seem more expensive than the regular ones though.. Might also be...
Jan 16, 2021
R
Redpacket
replied to the thread
EVE 280Ah LiFePO4 Review (Dongguan Lightning New Energy Technology)
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OK the voltages you are using are good. The swelling is not so good - that's probably what the smell is from, ie they are venting some...
Jan 12, 2021
R
Redpacket
reacted to
LithiumSolar's post
in the thread
EVE 280Ah LiFePO4 Review (Dongguan Lightning New Energy Technology)
with
Like
.
After seeing numerous people talking about EVE 280Ah prismatic batteries, I decided to order a few and start exploring LiFePO4 more...
Jan 11, 2021
R
Redpacket
replied to the thread
Pack Fusing / Fuse Wire / Failure
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Could the CID's on some have opened?
Jan 10, 2021
R
Redpacket
replied to the thread
EVE 280Ah LiFePO4 Review (Dongguan Lightning New Energy Technology)
.
What voltage do you charge them to? Any signs of swelling?
Jan 10, 2021
R
Redpacket
replied to the thread
only cells in particular position is discharging. Why?
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The strips may be too thin for the current. At 500W, 48V system, that's approx 10A Depending on voltage drops and the BMS connection...
Jan 9, 2021
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