Questions tagged [nimh]
A nickel–metal hydride battery (NiMH) battery is a type of rechargeable battery. They have a better energy density than nickel–cadmium batteries (NiCd or NiCad) and have largely replaced them in many applications.
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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 ...
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What ways can I test an NiMH battery aside from capacity
In my current job, I take used prius batteries and recondition them. I put them on RC chargers and the modules through charge/discharge cycles to both measure and raise the capacity. They have an ...
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D-cell Ni-Mh 12v battery-pack (10S) ok for a 12v device that can be a little heavier/bulkier?
In a previous question I was asking about a way to use dc charging in combo with an 18650 battery pack for an audiobox. Since site rules mean I cannot change or add to that question after it has been ...
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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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Failure modes of fully drained NiMH batteries
If a NiMH battery is drained below a certain voltage, it may not hold a charge after standard recharging is attempted.
There is an Instructables.com set of instructions for possibly reviving NiMH ...
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How might one attempt to recover a fully drained NiMH cell? [closed]
While the particular devices in this question are "consumer" NiMH cells; I am looking for a general answer, based on electrical engineering principles, that applies also to "non-...
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NiMh charging IC CN3085 timer issue
I'm using CN3085 IC to charge NiMh battery. I have issue with the charge maintenance timer.
According to the datasheet this timer is initiated once constant current charge mode is stopped.
The charge ...
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NiMH Battery Pack, lowest cell in pack dies
I've built several NiMH packs and for some reason, the lowest cell in each pack dies in storage. I recharge them once per month when in storage, and do a forming charge once every 3 months, but I keep ...
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Battery pack voltage keeps dropping without use
I have a battery pack for a circa 2008 Black & Decker 9.6 V electrical screwdriver. It was not holding a charge so I replaced its batteries. It had eight NiCd 1200 mAh batteries. I replaced them ...
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Selecting a charge time for a NiMH charger at 1C
I'm building a solar charger for an Energizer 8.4 V, 175 mAh NiMH battery with a MAX713. The solar panel is 15.4 V, 200 mA. If I charge them at 1C (175 mA), would it be better to set the charge time ...
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NiMH battery charging problem
I have a battery (8 cells in series, NiMH AA cells (1.2 V to 1.3 V), 1300 mAh per cell).
Cells used-
https://www.amazon.in/Rechargeable-NiMH-2300-Peak-Power/dp/B01MF8HUKO
https://www.amazon.in/...
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What happens when charging a pair of AA NiMH batteries where one might be emptier than the other? [closed]
When there are multiple AA NiMH batteries that have been stored some time after being charged (so that they will be at hand if needed) and I want to charge them a little more, there appears a problem ...
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Properly Charging NiMH Batteries that Have been Stored for Too Long
For a Robotics Project, I've purchased two equal NiMH batteries, seven months ago.
PRODUCT = NiMH Battery 12V 3000mAh XT30 Connector [MH-FC] 20A Fuse 12-20
LINK TO PRODUCT = LINK
There is no ...
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Two NiMH AA batteries powering servo circuit
My project has an ESP32 C3 and 9g servo. It has to be mobile, thus battery powered. Due to space constraints, I can’t use 4 AA batteries even though that would be ideal. I would like to use two NiMH ...
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