18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah

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18650 lithium ion battery cell.What is the capacity of the 18650 lithium battery?

release time:2023-10-13 Hits:     Popular:AG11 battery

  

  Common 18650 batteries are divided into lithium-ion batteries and lithium iron phosphate batteries. The nominal voltage of lithium-ion battery is 3.7v, the charging cut-off voltage is 4.2v, the nominal voltage of lithium iron phosphate battery is 3.2V, the discharge cut-off voltage is 3.6v, the capacity is usually 1200mAh-3350mAh, the common capacity is 2200mAh-2600mAh .

  If the capacity type 2000mAh power type 18650 lithium battery is only 1000mAh5, the maximum charging voltage of the ordinary capacity type 18650 lithium battery is 4.2V, and the maximum charging voltage of the power type 18650 lithium battery is about 3.65V. The nominal voltage of the ordinary capacity 18650 lithium battery is 3.7V, and the nominal voltage of the power 18650 lithium battery is 3.2V.

  In real life, the laboratory with the highest capacity of 18650 lithium battery can achieve 3500mAh, but there is no mass market and it is not sold. Currently, 2950mAh batteries are sold in batches on the market. Batteries with this capacity are called 3000mAh. Batteries with this capacity are basically imported.

  Voltage and capacity specifications of various 18650 lithium batteries:

  18650 NiMH battery voltage is 1.2V, common capacity is 2500MAH

  The voltage of 18650 lithium-ion battery is 3.6V, and the common capacity is 1500MAH-3100MAH.

  The larger the capacity of the 18650 lithium battery, the longer the use time and can provide users with longer power supply. However, under the same system, the high capacity of the 18650 lithium battery will have the negative effect of high price. Therefore, the balance between capacity and price is very important. important.

  AL18650 lithium battery capacity_18650 nickel metal hydride battery advantages and disadvantages

  Advantages of 18650 NiMH battery

  1. Wide range of use

  Widely used in various electronic device technology fields: commonly used in high-end bright flashlights, portable power supplies, wireless network data communicators, electric heating thermal underwear, shoes, handheld instruments and equipment, handheld lighting fixtures, handheld copiers, industrial Production equipment, medical equipment, etc.

  2. Long cycle life

  The warranty period of 18650 nickel-metal hydride battery is quite long, and the cycle life can reach about 500 times under normal use, which is about twice that of ordinary batteries.

  3. High safety performance

  It has good performance in ultra-high temperature resistance, and the discharge working efficiency reaches 100% under the condition of 65 degrees. The possibility of short circuit has been reduced to the extreme, and a protective board can be installed on the outermost layer. Disadvantages of 18650 NiMH battery

  1. Energy density is worse than

  The specific energy and energy density of nickel metal hydride still cannot meet the regulatory requirements of PHEV and EV; this means that the battery storage capacity is low, and it will run out of power if used for a short time. 2. Compared with lithium batteries, batteries still need to be improved.

  The rapid development of nickel-metal hydride battery technology is almost mature and perfect, and the space for battery performance improvement and cost reduction is very limited.

  3. Raw material prices and costs are relatively high

  The price of the raw material nickel (OH) is relatively high, and the cost of producing high-energy batteries may be higher.


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