Nickel-metal Hydride (ni-mh) And Lithium-ion Battery
Current digital cameras use more nickel-metal hydride (Ni-MH) and lithium-ion battery (Li-ion)
, 12-14 hours without charge. Activation of the new battery, rechargeable 12-hour misunderstood corrections in many parts of the forum, have seen that argument, seems to have become a classic. But the truth of certain conditions, if left, becomes a fallacy.
Laptop Battery ACER Laptop Battery APPLE Laptop Battery 1,12-14 hours of Origin: the first generation of nickel-cadmium battery, is the need of small rate charged is generally recommended charge current 1/10C, such as your battery capacity is 600mAh, then 1C is 600mA, 1/10C is 60mA . Therefore, the full power needs of more than 10 hours, the nickel-cadmium batteries, charging a small rate is good.
2, current mobile phones and digital cameras with battery: The mainstream mobile phones are essentially lithium-ion batteries, the latest from our impression should be 3210, with the nickel-hydrogen batteries, can not find around us like Ni-MH battery of a mobile phone. Digital Camera Ni-MH and Li-ion battery half and half.
3, lithium-ion battery knowledge: We only capacity on the one hand. To measure the capacity of a lithium-ion battery has two detection methods: 1C charge, 0.2C discharge; 0.2C charge, 0.2C discharge, regardless of what charging standard, should be compliance. Because the lithium-ion battery is different from the previous nickel-cadmium battery has, 1C charging a high rate already had enjoyed, but also must be accepted as such
LENOVO Laptop Battery IBM Laptop Battery SONY Laptop Battery . If a 600mAh battery with 1C charge, about 1 hour should be fully charged, and if the phone is designed so that direct charge of (many of which are 0.5C-0.8C) ,12-14 hours is nonsense.
To GB/T18287 2000 under the national standard, when the constant current charge to 4.2V, switch to constant pressure, when the current drops to 0.01C that the charge is terminated when. For example, the charging current is 0.5C, 600mAh rechargeable battery, charging current will be about 2 hours down to 6mAh, then that is fully charged. Why is it down to 0.01C? As it is already full, which is a reflection of batteries.
Fact, NiMH power, the national standard has also been provided for charge or discharge indicator that you can full of short-term.
4 What is considered "active"? Lithium-ion battery itself is the "live", if the design capacity of 600mAh, I though 2 hours on full charge, and then discharge, you can get capacity 600mAh, the design capacity has on it, and what's live do not live issues ? Implementation of national standards and technical supervision departments, testing capacity is charged with 1C, and then put 5 times in one capacity is deemed to be safe. So normal use, normal to recharge, so use the new battery go on, do not worry, "Shock is not live
DELL Laptop BatteryHP Laptop Battery LG Laptop Battery ."
5, sufficient for 14 hours is a fool ourselves: the battery is generally filled within 34 hours, and the remaining time is "roasted" machine time, such as chargers are charging control error (some), it is time to test Dianchi .
by: combattery
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