Nov. 28, 2024
Editorial&#;Phina
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We buy rechargeable batteries mainly to maximize their use for a long time. And battery storage and maintenance are crucial to extending the life of batteries. NiMH batteries are rechargeable batteries, which are widely used in: model remote control, vacuum cleaners, power tools, electric toothbrushes, electric shavers, industrial electronics, etc. due to their wide variety of models, low price, good performance and environmental friendliness. However, where is the best place to store NiMH batteries when not using them? Next talk about 5 things before storing a NiMH battery.
When storing the batteries, the type of battery is essential. Make sure to separate them by production time and manufacture. The reason is: that batteries from different manufacturers can cause damage, start leaking, or react with each other.
If new secondary (rechargeable) batteries are purchased, but we do not use them immediately, leave them in their original packaging. This prevents the batteries from coming into contact with other metals for one reason: when the batteries come into contact with metals, they begin to conduct electricity.
NiMH Batteries and NiMH Battery Packs
Note: Do not store batteries in metal containers, use battery boxes or plastic cases. Avoid putting coins or other metals in the same box as the battery. The positive terminal of any stored battery should not come in contact with the negative terminal. If you cannot ensure the isolation of the positive and negative terminals, use tape or plastic caps to cover the terminals.
Always check the battery's charge level before storing. According to tests, the best conditions for storing NiMH batteries are around 80% charge. If you do not plan to use them for several months or longer, it is best to store them when they are fully charged.
Note: Avoid storing NiMH batteries with 0% power. If the storage time is relatively short (e.g. a few days), you can store them at low charge level or empty. Because of the self-discharge phenomenon of NiMH batteries, it can lead to over-discharge and thus damage the battery.
When the temperature is extreme, the battery will lose its charging capacity. When storing batteries, please remember that the temperature of the storage place should not be too high. Conventional NiMH batteries need to be stored at room temperature (25°C ± 3°C).
Note: Keep NiMH batteries out of the sun and store them in any cool, dry room. Remember that the battery will self-discharge when it is left to stand. Grepow's NiMH batteries maintain 85% of their capacity even after 1 year of storage.
High humidity is not conducive to storing electrochemical batteries. The ideal humidity level is 35% - 65%. Vapor-proof containers are an option to keep them out of high humidity environments.
Note: Do not place batteries in a refrigerator unless recommended by the manufacturer. Here's why: Condensation in the fridge can damage the inside of the battery.
Grepow different sizes of NiMH Batteries
Remember these 5 tips the next time you want to store your batteries. Give NiMH batteries stored in a dry, cool, non-corrosive gas-free place to get the best out of them.
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Do NiMH Batteries Explode?
A: The material is Nickel Metal Hydride (NiMH) which has many advantages over other battery construction materials.
A: Older generation and batteries with other chemical make-up were subject to a memory effect. This is when a battery must be fully drained before recharge or their capacity is reduced. The New Generation of NIMH batteries do not develop a memory effect and can be recharged at anytime during usage cycle. When uncertain about battery charge level or condition, recharge it.
A: This is a rating of energy storage capacity mAh = &#;milli-ampere hours&#;. So if you are comparing batteries to a AA with a mAh rating, it will have twice the capacity of a mAh rating.
A: Most all applications where there is a high energy consumption and demand, is where NiMH belongs. The most popular applications are digital cameras, flashlights, and toys. If you find yourself constantly buying alkaline batteries for an application, then you should consider using rechargeable NiMH.
A: Lower capacity rechargeable AA batteries of up to mAh can be recharged up to times in overnight slow charge mode, while to mAh rechargeable batteries can be recharged up to 600 to 800 times in overnight slow charge mode.
The new higher capacity AA mAh rechargeable batteries have greater power capacity, but they can only be recharged approx 500 times in the overnight mode. Capacity improvement or quick charging will always decrease the number of cycles. Every cell available on the market above mAh will have below charge cycles.
A: Any situation where the battery is not used within a 30 day period or low energy draw devices, for example smoke alarms, emergency flashlights, clocks, TV remotes, etc.
A: NiMH batteries self discharge about 1% per day so if used in a low energy consummation or stand-by device, the battery will only last about 90 days before requiring recharge.
A: Yes, the mAh rating will give you longer run times between recharges. The higher rated mAh of a battery has no effect on electronic devices other than they allow longer term use.
A: In fact, over the course of their discharge, alkaline batteries actually average about 1.2 volts. The main difference is that an alkaline battery starts at 1.5 volts and gradually drops to less than 1.0 volts. NiMH batteries stay at about 1.2 volts for almost 80% of their discharge cycle. Once alkaline batteries discharge to 50% capacity, it will be delivering a lower voltage than a NiMH battery.
A:
A: Yes, but nothing drastic. About 10 to 15% of the battery mAh capacity will be lost at the 400 to 800 recharge level. This will vary greatly because of battery and charger quality, along with how the consumer treats their batteries.
A: Yes, before you use them for the first time, you need to charge your NiMH batteries fully. Please note that for new NiMH batteries, it is often necessary to cycle them at least three to five times or more before they reach peak performance and capacity. The first several times that you use your NiMH batteries you may find that they run down (discharge) quickly during use. Don&#;t worry, this is normal until the batteries actually structure internally.
A: Yes, there are differences in the different chargers on the market today. If the charger was designed and sold in the past couple years and specifically says it is made to charge NiMH batteries you are probably okay. Most of the new chargers use a small computer chip to manage the charge and you should be getting at least 500 charges from your batteries. If not, buy a new charger. Some of the no name batteries sometimes have a short life. Fast chargers also tend to give shorter battery life of less than 500 charges.
A: This is an easy one! While it is safe and legal in most states to dispose of your NiMH battery in your regular trash, we always encourage recycling whenever possible.
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