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Knowledge of lithium ion batteries

Thursday, May 11, 2017 9:08:04 AM Asia/Shanghai

Lithium batteries mainly refers to the electrode cathode material used in the lithium element as the main active substance of a class of batteries.
Lithium-ion battery mainly as follows: energy density, uniform output voltage is high. Self-discharge is small, good battery, less than 2% per month (recoverable). No memory effect. The working temperature range is -20 ℃ ~ 65 ℃. Can quickly charge and discharge (2-5C), charge and discharge efficiency of up to 100%, and the output power (magnification discharge up to 60C or more). Long service life (more than 500 weeks). Does not contain toxic and hazardous substances, known as green batteries.

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3.7V 8Ah and 10Ah lithium polymer battery with PCM delivered

Monday, May 8, 2017 6:05:57 PM Asia/Shanghai

Last week, large lithium polymer battery product 3.7V 8Ah and 10Ah with PCM were delivered, big lipo batteries were always ordered in quantity of thousands because of their unique advantages of thin shape,light weight,high energy density, big discharge current, long work time, many customers liked to use them in power banks manufacturing for reason of big capacity, some customers liked to use them in applications of industrial applications such as lazer devices,testing devices,some other customers used them in portable medical equipment.

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How to charge a new lithium ion battery?

Monday, May 8, 2017 5:29:00 PM Asia/Shanghai

As a new lithium ion battery, it can gain its best performance only after twice or three times 100% DOD(depth of discharge) cycles. BENZO Energy recommend to charge 4 hours in the first three cycles, and don’t charge it for over 12 hours as traditional NiMH battery and NiCd battery. Because most rechargeable lithium batteries have protection circuit PCB/BMS, when its fully charged, the PCB will stop charging to protect it, it means its no use to charge any more if its full. Begin with the fourth time, you can charge one hour more after the indication of being fully charged.

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What are the key parameters for lithium ion battery performance?

Monday, May 8, 2017 5:26:58 PM Asia/Shanghai

1- Capacity: higher capacity means longer use time, if its for mobile phone, you can talk for more hours, and you can play more games, listen more songs Before you need to charge again.

2-  Internal Impedance: High impedance can cause quick exhausting of power, itself can be a hidden reason of working current, the higher it is, the quicker the voltage will drop down.

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What’s discharge rate and charge rate for li-ion and lipo battery?

Monday, May 8, 2017 5:24:16 PM Asia/Shanghai

Discharge and charge rate for lithium battery is the multiple between the current and the capacity, its unit is C. for example, if the lithium ion battery has a capacity of 800mAh, and its discharging current is 1600mA, then its discharge rate is 2 C rate, if its charging current is 800Ma, then its charging rate is 1 C, normal lithium ion battery and Li polymer battery can work with 1C charging and 2C discharging, Padre high rate lipo battery can work with at most 60C discharge, our LTO battery can have worldwide advanced 10C charging rate. the indication of being fully charged.

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How many charging ways are there for rechargeable batteries?

Monday, May 8, 2017 5:17:55 PM Asia/Shanghai

Generally there are three most popular charging ways as below:

1-CC charging(Constant current)

  The charging current keeps the same at a certain amount during the whole charging process, Most rechargeable batteries charge this way.

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Yes.

BENZO Energy has professional battery factories to produce lithium battery cells and battery packs, our cell factory produces lithium ion battery (Li-ion)cells, lithium polymer battery (lipo/li-polymer)cells,  and LiFePO4 battery cells, 3 years ago, we also got ability to produce one of world earliest LTO(Lithium titanate)battery cells, monthly capacity reaches almost 10 million battery cells.

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BMS is battery management system, always for big battery packs, typical use is LiFePO4 power battery.It has protective functions of over charging,over discharging,over current,short-circuit, cells balancing functions,some battery may need also communication port and data input output options and other display functions. its up to applications requirements.

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Cute ultra small lipo battery 60mAh 3.7V BZ 401120 ready for delivery

Friday, May 5, 2017 5:55:00 PM Asia/Shanghai

BENZO Energy ultra small lipo battery 3.7V 60mAh were ready for delivery, this battery is as mall as a finger print, designed for many popular wearable electronics, such as blue-tooth, digital bracelet, digital watch, healthcare sensor rings and so on.

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18650 11.1V 2200mAh 3S 1.5C lipo battery pack sent to Korea

Wednesday, May 3, 2017 9:44:00 AM Asia/Shanghai

10k 18650 11.1V 2200mAh 1.5C lipo battery packs were sent to Korea, this order began from 2015, now  is the 15th order, the production took 20 days since ordering, Benzo paid attention to the quality control during production, from material inspection to battery cell inspection and assemble tests, every steps were strictly watched by QC staffs, the final tests before shipment showed that we got 100% pass, hard works got something in return.

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