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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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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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The Basics of Lithium-Polymer Batteries

Tuesday, April 18, 2017 3:38:07 PM Asia/Shanghai

With appealing attributes such as low weight, high energy density, and ever greater discharge rates, Lithium-Polymer (LiPo) batteries have transformed all facets of RC. The emergence and continual improvement of these batteries has provided a significant performance boost for RC cars, boats, airplanes, and helicopters, while also paving the way for new vehicles such as multi-rotors. All of this electric goodness does not come without a cost. If not handled and utilized properly, LiPo batteries can quickly become damaged or even catch on fire. Today, I'm sharing some of the basic things you should know about making the most of LiPo batteries. I will also provide techniques to mitigate the risks that these batteries pose.

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Guide to Understanding LiPo Batteries

Tuesday, April 18, 2017 3:11:30 PM Asia/Shanghai

Lithium Polymer batteries (henceforth referred to as “LiPo” batteries), are a newer type of battery now used in many consumer electronics devices. They have been gaining in popularity in the radio control industry over the last few years, and are now the most popular choice for anyone looking for long run times and high power.

LiPo batteries offer a wide array of benefits. But each user must decide if the benefits outweigh the drawbacks. For more and more people, they do. In my personal opinion, there is nothing to fear from LiPo batteries, so long as you follow the rules and treat the batteries with the respect they deserve.

This guide was written after many hours of research. It is as accurate as I can make it without actually being a chemical engineer (though, in researching this article, I did talk to a few of them). That said, this guide isn't intended to be taken as definitive. It is a living document, and as common knowledge regarding LiPo batteries changes, so too will this guide.

Let's first talk about the differences between LiPo batteries and their Nickel-Cadmium and Nickel-Metal Hydride counterparts.

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Lithium Ion battery prices on the rise ?

Friday, April 14, 2017 3:11:39 PM Asia/Shanghai

With worldwide demand for energy storage expanding daily, the battery market continues to grow and become more competitive. When you think about a market that has growing consumer demand, but also an increasing number of suppliers all those days spent in economics class would tell you that we should see prices decreasing, right? But are there more factors in play here that may actually lead to price increases at the consumer level?

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