Everything You Need To Know To Find The Best Rechargeable lithium battery cell 3200Ah

Brand / Manufacturer

The first thing to consider when choosing an battery for your device or project is the battery brand. Not all brands are created equal and often times you will find are not very truthful in their battery ratings. This is especially true when discussing the Chinese re-wrapping brands. The goal of any manufacturer or brand is to sell as many batteries as possible but some companies have been known to exaggerate their ratings to appear to offer a better product than the other. This practice of exaggerating battery specs is unlawful and can be very dangerous to consumers if gone unchecked. Thankfully, there is a watchdog in the lithium ion battery industry known as the battery mooch who provides thorough testing and will call out these companies for their unlawful practice.

There are five major brands that manufacturer batteries who you can rely on to provide quality, consistent and truthfully rated batteries and those brands are; LG Chem, Molicel, Samsung, Sony|Murata and Panasonic|Sanyo. These brands are well established and have long standing tradition, values and standard to uphold. Any manufacturer specs provided by these brands is well documented and tested many times over. You will often see the battery outperform the manufacturer ratings put forward from these brands.

Other brands such as Efest, Vapcell, Imren and MXJO have been established for a few years and their quality has certainly improved. These brands tend to slightly exaggerate the battery ratings for their products in an effort to appeal to the consumer and sell more. It should be noted these companies do not actually produce their own lithium ion battery but instead purchase them from other manufacturers and then wrap the battery and add packaging to make the battery suitable for retail sale. They do often provide value by using a thicker PVC wrap on the battery which provides an extra layer of protection. As well these brands often include a battery carrying case with all of their batteries.

There are various other unknown brands with all sorts of unrealistic ratings. As of , there is not a single lithium ion battery rated above mAh capacity or a 30A CDR. If you see any battery marketed above these specs, you should be very wary of what you are actually getting as it is absolutely certain to be false and exaggerated.

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Operating Temperature – If your battery is consistently reaching a high temperature and getting hot, this is a warning sign that the battery is being pushed too hard. A battery that is consistently rising above 45C will certainly age faster than a cool running battery. They can also be dangerous as the potential for venting and/or bursting is increased greatly with a high temperature lithium ion battery. You should consider choosing a battery with a higher CDR rating.

Flat top and Button Top – One final thing you want to consider is whether you need a flat top battery or a button top battery. This is referring to the positive end of the battery. A button top battery has a protruding surface which increases the battery’s length and may not fit in a device which requires a flat top battery. A flat top is as the name suggests a flat surface and may appear to be too short if your device is requiring a button top battery.

Battery chemistry is not an attribute most consumers need to be aware of when choosing an battery. A battery should be chosen based upon the factors listed above; Brand, Capacity, Discharge Rating, Voltage and Temperature. With that being said, some chemistry mixtures are more volatile than others and we have listed these in terms of least volatile to most volatile.

Common Battery Chemistry

• LFP (lithium-iron-phosphate) – Least Volatile
• LMO (lithium-manganese-oxide)
• NMC (nickel-manganese-cobalt)
• NCA (nickel-cobalt-aluminum)
• LCO (lithium-cobalt-oxide) LiPo – Most Volatile

Common prefixes that are used by manufacturers

• IMR (lithium-manganese-rechargeable) - Efest Batteries1
  
• INR (lithium-nickel-rechargeable) - Samsung 25R - Sony VTC5 - LG HG2
  
• NCR (nickel-cobalt-rechargeable) - Panasonic PF - Panasonic NCRB
  
• ICR (lithium-cobalt-rechargeable) - Samsung 26J
  

There are many safety precautions that should always be taken when using, handling and/or storing lithium ion batteries. Please refer to our battery safety guide for these tips. The following tips are suggested to get the most life out of your lithium ion batteries.

Temperature – Lithium ion batteries will age at an accelerated rate below 0C or above 45C. If you are running your batteries hot, this will certainly cause premature aging.

Discharging and Charging – To get the max life from your battery, we recommend keeping it within a range of 3.0V – 4.0V. This tip does take some effort as most batteries will discharge down to 2.5V before requiring a recharge and will fully charge up to 4.2V. The logic behind this is when you push the cell to the extremes of its capabilities; it puts stress on the battery. In testing, batteries kept in this range will have double the life expectancy.

Charger – To get the most out of your batteries, you should always make sure your charging device automatically turns off when charging is complete. It is also recommended to remove the batteries from the charger once charging is completed as many chargers have a function to continually top off the battery to make sure it is always at max capacity. This constant topping off can stress a battery and cause it to age prematurely.

Charge Rate – There are chargers on the market capable of charging at 4A or even 6A. While this can be very convenient, keep in mind rapid charging can accelerate the aging process as these speeds put added stress on the battery cell. A healthy range to charge your batteries at is anywhere between 0.1A and 3A.


* Lithium ion batteries are manufactured and sold for the intended use of system integrations with proper protection circuitry or battery packs with a BMS (battery management system) or PCB (circuit board/module). These batteries are neither designed nor intended to be used with an e-cigarette, vaporizer or similar device. *

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3.7V Li ion Battery mAh Rechargeable Button Top 5 Year Shelf Life for Flashlights, Camera, Ring Lights, Solar Lights, Home use(2 Pack)

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