Aккумуляторы для Эл. велосипеда - Электро Транспорт - эл. комплекты для переоборудования - Miromax

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Aккумуляторы для Эл. велосипеда

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Фильтр товаров:

Фотография	Код товара	Продукт	Напряжение	Ёмкость	Технология	Количество циклов	Склад	min. Количество	шт. Цена без НДС


	KL-49DCDC	Преобразователь напряжения DC/DC 40-100В; 13,5 В 30 А 400 Вт (Гальванически развязан)					Доставка Со склада	1 шт..	€ 125.00
	TR-30300-12V1A/DCDC	Преобразователь постоянного тока в постоянный (12 В / 1 А)					Доставка 1-2 дня	1 шт..	€ 25.00
	TR-30300-5V1A/DCDC	Преобразователь постоянного тока в постоянный (5 В / 1 А)					Доставка 1-2 дня	1 шт..	€ 25.00

	LI-ION 36V13AH	Li-ION аккумулятор 36В 13Ач с зарядным устройством	36V	11Ah	Li-ION	1000	Доставка 2-6 недель Сообщить когда будет в продаже	1 шт..	€ 280.00

Новость	LI-ION 48V10AH/G56-S	Li-ION аккумулятор 48В 10.4Ач с зарядным устройством 3A и аксессуарами	48V	11Ah	Li-ION	1000	Доставка Со склада	1 шт..	€ 340.00
	LI-ION 48V10.4AH	Li-ION аккумулятор 48В 10.4Ач с зарядным устройством 3A	48V	11Ah	Li-ION	1000	Доставка Со склада	1 шт..	€ 370.00
	LI-ION 51V17AH/BL	Li-ION аккумулятор 48В 17.5Ач с зарядным устройством 4A	48V	17.5 Ah	Li-ION	1000	Доставка 2-6 недель Сообщить когда будет в продаже	1 шт..	€ 550.00

	LI-ION 48V21AH/AL	Li-ION аккумулятор 48В 21Ач с зарядным устройством	48V	21Ah	Li-ION	1000	Под закад	1 шт..
	LI-ION 48V 21AH	Li-ION аккумулятор (14с, 51В, 21Ач, 1070Wч) с зарядным устройством 3A	48V	20.8Ah	Li-ION	1000	Доставка 1-2 дня	1 шт..	€ 850.00

	LI-ION 72V 19.8AH	Li-ION аккумулятор 72В 19.8Ач с зарядным устройством 5A	72V	19.8Ah	Li-ION	1000	Под закад	1 шт..
	18650/3.7V/2.6Ah	Li-ION аккумулятор 18650 3,7V 2600mAh; 2C, 3C 3C в разряде	3.7V	2.6Ah	Li-ION	1000	Доставка 2-6 недель Сообщить когда будет в продаже	100 шт..

	LFP 48V10AH	LiFePO4 аккумулятор 48В 10Ач с зарядным устройством	48V	10Ah	LiFePO4	2000	Под закад	1 шт..

Innovation in Li-ion Battery
LiFePO4 Power Battery: Faster charging and safer performance

It is clear that the small capacity Li-ion (polymer) Battery containing lithium cobalt oxide (LiCoO2) offers a genuinely viable option for electronics and digital applications. However, lithium cobalt oxide (LiCoO2) is very expensive and un-safe for large capacity Li-ion Battery. Recently lithium iron phosphate (LiFePO4) has been becoming "best-choice" materials in commercial Li-ion (polymer) Batteries for large capacity and high power applications, such as lap-top, power tools, e-wheel chair, e-bike, e-car and e-bus. A LiFePO4 battery has hybrid characters: as safe as lead-acid battery and as powerful as lithium ion cells. The advantages of large format Li-ion (polymer) batteries containing lithium iron phosphate (LiFePO4) are listed as below:

1. Fast charging: During charging process, a conventional Li-ion Battery containing lithium cobalt oxide (LiCoO2) needs two steps to be fully charged: step 1 is using constant current (CC) to get 60% State of Charge (SOC); step 2 takes place when charge voltage reaches 4.2V, upper limit of charging voltage, turning from CC to constant voltage (CV) while the charging current is taping down. The step 1 (60%SOC) needs two hours and the step 2 (40%SOC) needs another two hours. LiFePO4 battery can be charged by only one step of CC to reach 95%SOC or be charged by CC+CV to get 100%SOC. The total charging time will be two hours.
2. Large overcharge tolerance and safer performance A LiCoO2 battery has a very narrow overcharge tolerance, about 0.1V over 4.2V of charging voltage plateau and upper limit of charge voltage. Continuous charging over 4.3V would either damage the battery performance, such as cycle life, or result in firing and explosion. A LiFePO4 battery has a much wider overcharge tolerance of about 0.7V from its charging voltage plateau 3.4V. Exothermic heat of chemical reaction with electrolyte measured by DSC after overcharge is only 90J/g for LiFePO4 verse 1600J/g for LiCoO2 . The more is the exothermic heat, the larger energy heating up the battery in its abusive condition, the more chance toward firing and explosion. A LiFePO4 battery would be overcharged upto 30V without portection circuit board. It is suitable for large capacity and high power applications. From viewpoint of large overcharge tolerance and safety performance, a LiFePO4 battery is similar to lead-acid battery.
3. Self balance Alike lead-acid battery, a number of LiFePO4 cells in a battery pack in series connection would balance each other during charging process, due to large overcharge tolerance. This self balance character can allow 10% difference between cells for both voltage and capacity inconsistency.
4. Simplifying battery management system (BMS) and battery charger Large overcharge tolerance and self-balance character of LiFePO4 battery would simplify battery protection and balance circuit boards, lowering their cost. One step charging process would allow to use simpler conventional power supplier to charge LiFePO4 battery instead to use a expensive professional Li-ion battery charger. 5. Longer cycle life In comparison with LiCoO2 battery which has a cycle life of 400 cycles, LiFePO4 battery extends its cycle life up to 2000 cycles. 6. High temperature performance It is detrimental to have a LiCoO2 battery working at elevated temperature, such as 60C.. However, a LiFePO4 battery runs better at elevated temperature, offering 10% more capacity, due to higher lithium ionic conductivity.

Comparison data among various Lithium base batteries:

	C-LiFePO4	LiCoO2	LiMn2O4	Li(NiCo)O2
SAFETY AND ENVIRONMENTAL CONCERN	Excellent, Best among all existing batteries	Not stable every dangerous	Acceptable	Not stable very dangerous
CYCLE LIFE	Excellent Best among all the listed groups	Acceptable	Unacceptable	Acceptable
POWER WEIGHT DENSITY	Acceptable	Good	Acceptable	Best
LONG TERM COST	Excellent Most economic	High	Acceptable	High
WORKING TEMP.	Excellent -45C¨C70C	Decayed beyond -20C ¨C 55C	Decayed extremely fast over 50C	Decayed extremely fast over -20C ¨C 55C
REMARK	1. Although, Lead Acid battery is lower in cost and safety acceptable; however, with extremely toxic, worse for the environmental concern, short cycle life, heavy in weight, therefore, we don't put it as a group for comparison. 2. Nickel Hydride battery has a characteristic of low Power Weight Density, decayed faster under the high temperature, worse in memory effect, not suitable for high output usage. 3. The C-coated Lithium Iron Phosphate Battery has been proven as the most environmental friendly battery. It is the safest and most suitable for high output usage. It is also the best for storage battery usage.

Emus_BMS_SoftWare_2.2.3_RC4_and_Android_EVGUI_1.4RC2

Emus BMS PC Software v2.2.3_RC4; | EN version |
Emus BMS Android_apk EVGUI_1.4RC2

Размер: 6.35 MB

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