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how to the power battery and charger of aeromodel?

Write to newbies - a bit of common sense on the power battery and charger of aeromodel

Firstly,  I want to know the power battery for the model1. The nickel electric1) ni-cd, nickel-cadmium battery, this is a long time ago battery, in recent years, people generally don't buy nickel-cadmium battery, because of its small capacity, it can no longer meet the battery life needs of the current high-horsepower output motor.2) ni-mh, which is now the mainstream nickel metal hydride power, has a capacity of more than two times or more of the capacity of the nickel cadmium battery, with a moderate price and strong explosive power, making it the first choice for players from all walks of life.3). The size is generally divided into SC (sub-c), which is used by 1/10 of the medium and large trams;LiPo, lithium polymer battery.LiPo power is higher energy density than Ni-MH battery, and LiPo is basically half the weight of Ni-MH at the same capacity.A123. It is really not clear which way LiFe will go now that LiPo has not been popularized.3). The size of lithium battery is not strictly distinguished. If it is specially made for model cars, the size of lithium battery will be smaller than that of ordinary plate-type power generation (the length and width may be similar, but the width are thinner).(3) model with dynamic model of the difference between electricity and batteries batteries with ordinary biggest difference lies in the discharge capacity of the battery. A battery 4200 mah power can be in a few minutes will charge, light batteries can't completely, so couldn't compared with power battery discharge capacity. But power battery discharge current is not without cost. A power battery, if can reach 50 inflation but also keep the rated capacity, that really is god!Is said to have 100 filling and ordinary nimh batteries before he reached the maximum capacity, can be repeated filling with 1000 times, a sweat ~ so, please don't think I in series with a couple of AA batteries into 7.2 v power supply, or in series with two mobile phone batteries into 7.4 v power supply, it is impossible, unless you again and more than a few times, is likely to achieve power battery discharge capacity, weight, or cost, all well above power, and why?4. Nickel electric compared with lithium electricity nickel electric technology mature, stable and reliable quality, is very durable, is heavier in weight. Lithium electricity is relatively light, but is relatively too many, the more stringent requirement for charging and discharging, over charge or discharge will affect the performance of li-ion battery. There is only a handful of automobile electric adjustable lithium electricity for low voltage protection, and there are some advanced electric adjustable, is not the choice of entry level players. So for now, entry-level if players to prevent the lithium electricity to put, most of the time all can only rely on their judgment. My own judgment method is:Once the car power is insufficient, will change electricity. Add that power lithium video games for a long time after that, more or less will be a bit of a big belly, not big belly of lithium electricity temporarily, I have not seen, or was I informed ~ however lithium electricity as long as used properly, is very good choice, is also the trend of the development of the battery in the future.5. The charging time can be calculated as follows :(charging coefficient * battery capacity)/charging current, in which the charging coefficient is between 1.1 and 1.5.On the contrary, if the charging current is small, the value is large. Generally, the charging current above 1C can be valued at 1.1, while the value of 0.2c can be valued at 1.5.We use model of power battery, it is recommended to use 1 C ~ 1.5 C such large current charging. Because as described in front of this post links inside, charging current is big, the battery power is strong, but if the charging current is too large, it will damage the battery again. For there is no automatic stop charging the charger, it is not recommended. But if you insist to use, the battery capacity and charging current are the premise of nominal, then please according to the above formula to calculate the charging time about, and then the charging time will come when to heat with the hand, if the battery feel hot, it is full of, if still warm hands, let the followingHowever, in my personal experience, a ni-cd labeled 1800 is washed with a charger labeled 500ma, and even the duration is less than 6 hours.But there are friends that A current of 400 ma is 2000 mah battery to charge was 2 hours is hot, one is the problem of battery or the charger problem, is less clear. On the issue of the li-ion battery charging, the above formula basically does not apply to lithium electricity charging time is calculated. The lithium electricity because of itself characteristic, charging current size has no impact on the discharge capacity, but A little bit, li-ion battery charging current is greater than 1 c, which is the highest 4400 mah battery only can use the charging current of 4.4 A, the other as lithium electricity need to use the balance charger for charging, charging so late chargeThe electric current will be lower, which will make the charging end take a long time. The new couple may not be accustomed to using lithium in the beginning, so they can gradually adapt to it.6. The problem of discharging lithium electricity is do not need to discharge to charge, of course, in addition to activate the process of the battery. Although nimh electric memory effect is almost zero, but still suggest many times after put a filling depth of discharge and recharge, so the battery is good. But here is relative depth of discharge, please don't light the power completely, so the battery is finished. Summarizes 5 and 6, one with the function of automatic stop charging and discharging of the charger is very necessary.Secondly, talk about the selection of power battery and charger1. The power of the choose and buy for a nickel cadmium battery, already is not suggest to buy, buy her pain. But nimh batteries, can choose or many, actually we are the most common to the IB/GP/EP/SANYO/KAN, etc. Are all very good, which have different size different price to meet the needs of different levels. The higher the capacity is, of course, the better, the same brand, the price is generally according to the capacity increasing. As to choose the brand, see people wisdom. For lithium electricity, under the same capacity, discharge C number is larger, the better, of course, but increasing the number of C simple arithmetic, is can lead to increasing price of geometry, at presentIn this case, no one knows about it in the future. In addition, please don't believe that 20C is better than 10C, and it depends on the capacity!The discharge capacity of a 2500mAh20C battery is the same as that of a 5000mAh10C battery. That is, for the same set of equipment, the discharge current of 2500mAh20C is the same as that of 5000mAh10C, which is 50A (2.5*20=50).5*10=50). The difference is that the former takes 3 minutes to complete the battery capacity, while the latter takes 6 minutes to complete its capacity.The biggest difference is the size of the battery, right?2. The choose and buy of the charger, as said earlier, automatic stop function of charge and discharge is very necessary, it is also the most basic requirements. Buy a charger is to be the same again, to frame step by step, from the first introduction to play, but electronic equipment is a best place, frame to run for a long time, even if no scattered is also changed, but good electronic equipment can be used for several years without problems. But a in place, and not let the electronic equipment did you buy the best, but buy a suitable for your device. If you are ready to play RC for a long time, have a lot of money to buy the top equipment that is for sure, but for some young just came outWhen I play RC myself, I am very reluctant to buy a model charger. Instead, I use the original suggested charger.However, due to the limitation of funds, I finally bought a QL400 heartily. In fact, if I only play nickel metal hydride, this charger will be enough.

Write to newbies - a bit of common sense on the power battery and charger of aeromodelFirstly, Firstly, Firstly, Firstly, Firstly, Firstly, Firstly, Firstly, I want to know the power battery for the model1. The nickel electric1) ni-cd, nickel-cadmium battery, this is a long time ago battery, in recent years, people generally don't buy nickel-cadmium battery, because of its small capacity, it can no longer meet the battery life needs of the current high-horsepower output motor.2) ni-mh, which is now the mainstream nickel metal hydride power, has a capacity of more than two times or more of the capacity of the nickel cadmium battery, with a moderate price and strong explosive power, making it the first choice for players from all walks of life.3). The size is generally divided into SC (sub-c), which is used by 1/10 of the medium and large trams;LiPo, lithium polymer battery.LiPo power is higher energy density than Ni-MH battery, and LiPo is basically half the weight of Ni-MH at the same capacity.A123. It is really not clear which way LiFe will go now that LiPo has not been popularized.3). The size of lithium battery is not strictly distinguished. If it is specially made for model cars, the size of lithium battery will be smaller than that of ordinary plate-type power generation (the length and width may be similar, but the width are thinner).(3) model with dynamic model of the difference between electricity and batteries batteries with ordinary biggest difference lies in the discharge capacity of the battery. A battery 4200 mah power can be in a few minutes will charge, light batteries can't completely, so couldn't compared with power battery discharge capacity. But power battery discharge current is not without cost. A power battery, if can reach 50 inflation but also keep the rated capacity, that really is god!Is said to have 100 filling and ordinary nimh batteries before he reached the maximum capacity, can be repeated filling with 1000 times, a sweat ~ so, please don't think I in series with a couple of AA batteries into 7.2 v power supply, or in series with two mobile phone batteries into 7.4 v power supply, it is impossible, unless you again and more than a few times, is likely to achieve power battery discharge capacity, weight, or cost, all well above power, and why?4. Nickel electric compared with lithium electricity nickel electric technology mature, stable and reliable quality, is very durable, is heavier in weight. Lithium electricity is relatively light, but is relatively too many, the more stringent requirement for charging and discharging, over charge or discharge will affect the performance of li-ion battery. There is only a handful of automobile electric adjustable lithium electricity for low voltage protection, and there are some advanced electric adjustable, is not the choice of entry level players. So for now, entry-level if players to prevent the lithium electricity to put, most of the time all can only rely on their judgment. My own judgment method is:Once the car power is insufficient, will change electricity. Add that power lithium video games for a long time after that, more or less will be a bit of a big belly, not big belly of lithium electricity temporarily, I have not seen, or was I informed ~ however lithium electricity as long as used properly, is very good choice, is also the trend of the development of the battery in the future.5. The charging time can be calculated as follows :(charging coefficient * battery capacity)/charging current, in which the charging coefficient is between 1.1 and 1.5.On the contrary, if the charging current is small, the value is large. Generally, the charging current above 1C can be valued at 1.1, while the value of 0.2c can be valued at 1.5.We use model of power battery, it is recommended to use 1 C ~ 1.5 C such large current charging. Because as described in front of this post links inside, charging current is big, the battery power is strong, but if the charging current is too large, it will damage the battery again. For there is no automatic stop charging the charger, it is not recommended. But if you insist to use, the battery capacity and charging current are the premise of nominal, then please according to the above formula to calculate the charging time about, and then the charging time will come when to heat with the hand, if the battery feel hot, it is full of, if still warm hands, let the followingHowever, in my personal experience, a ni-cd labeled 1800 is washed with a charger labeled 500ma, and even the duration is less than 6 hours.But there are friends that A current of 400 ma is 2000 mah battery to charge was 2 hours is hot, one is the problem of battery or the charger problem, is less clear. On the issue of the li-ion battery charging, the above formula basically does not apply to lithium electricity charging time is calculated. The lithium electricity because of itself characteristic, charging current size has no impact on the discharge capacity, but A little bit, li-ion battery charging current is greater than 1 c, which is the highest 4400 mah battery only can use the charging current of 4.4 A, the other as lithium electricity need to use the balance charger for charging, charging so late chargeThe electric current will be lower, which will make the charging end take a long time. The new couple may not be accustomed to using lithium in the beginning, so they can gradually adapt to it.6. The problem of discharging lithium electricity is do not need to discharge to charge, of course, in addition to activate the process of the battery. Although nimh electric memory effect is almost zero, but still suggest many times after put a filling depth of discharge and recharge, so the battery is good. But here is relative depth of discharge, please don't light the power completely, so the battery is finished. Summarizes 5 and 6, one with the function of automatic stop charging and discharging of the charger is very necessary.Secondly, talk about the selection of power battery and charger1. The power of the choose and buy for a nickel cadmium battery, already is not suggest to buy, buy her pain. But nimh batteries, can choose or many, actually we are the most common to the IB/GP/EP/SANYO/KAN, etc. Are all very good, which have different size different price to meet the needs of different levels. The higher the capacity is, of course, the better, the same brand, the price is generally according to the capacity increasing. As to choose the brand, see people wisdom. For lithium electricity, under the same capacity, discharge C number is larger, the better, of course, but increasing the number of C simple arithmetic, is can lead to increasing price of geometry, at presentIn this case, no one knows about it in the future. In addition, please don't believe that 20C is better than 10C, and it depends on the capacity!The discharge capacity of a 2500mAh20C battery is the same as that of a 5000mAh10C battery. That is, for the same set of equipment, the discharge current of 2500mAh20C is the same as that of 5000mAh10C, which is 50A (2.5*20=50).5*10=50). The difference is that the former takes 3 minutes to complete the battery capacity, while the latter takes 6 minutes to complete its capacity.The biggest difference is the size of the battery, right?2. The choose and buy of the charger, as said earlier, automatic stop function of charge and discharge is very necessary, it is also the most basic requirements. Buy a charger is to be the same again, to frame step by step, from the first introduction to play, but electronic equipment is a best place, frame to run for a long time, even if no scattered is also changed, but good electronic equipment can be used for several years without problems. But a in place, and not let the electronic equipment did you buy the best, but buy a suitable for your device. If you are ready to play RC for a long time, have a lot of money to buy the top equipment that is for sure, but for some young just came outWhen I play RC myself, I am very reluctant to buy a model charger. Instead, I use the original suggested charger.However, due to the limitation of funds, I finally bought a QL400 heartily. In fact, if I only play nickel metal hydride, this charger will be enough.