10
Apr 11

Tenergy 18650 Battery: Top 18650 Rechargeable Cells?

There are many different kinds of ways that you can save on energy today. As we know that every light bulb will finally burn out, we are also aware that during the lifetime of the cell – at any arbitrary moment, 1 in 100,000 li-ion cells will either blow up or catch fire. So for this reason advancement was put up a couple of years back, known as printed circuit board, (PCB).

The protection PCB (printed circuit board) prevents the li-ion cell from being over or undercharged, both conditions are dangerous for li-ion battery. PCBs are often gold-plated with 50 micro inches of hard gold which can be seen on the underside of the PCB when you look at the Tenergy battery. As positive terminal is just ordinary metal, the negative is gold.

Features of Tenergy 18650;

Product Description:

Tenergy Multifunctional Charger for Li-ion Cylindrical Rechargeable Batteries with 18650 Li-ion 3.7V Batteries is a superb charger for 1 or 2 pieces cylindrical Lithium-Ion (Li-ion) accessible with 17650/ 18650 / 18650 (protected) batteries. It’s a rapid charger as compare to its alternative models.

  • Model: SC-S2

This charger is a gifted charger especially designed to charge rechargeable 18650 17650 Lithium-Ion batteries. Li-ion 17650 / 18650 and Li-ion 18650 (PCB prevention)

Specification:

Input: 12V DC 1200mA (min)

Output: 4.2VDC 1000mA*1 1000mA *2

2 pieces Individual LED represents:

BLUE ON – Stand by

RED ON – Battery Charging

BLUE ON – Charge complete

Features

  • Detection about charging end guarantees the safe and full charge any time
  • Short-circuit guard
  • High voltage cut-off prevention – prevents harm to battery due to high voltage
  • Complete personal channels – ease of use; prevents 2 batteries charge together
  • Charge technique: CC/CV – Charge battery fully and rapidly
  • Reverse polarity prevention – prevents harms to your battery and charger

Nominal capacity of Tenergy 18650 rechargeable batteries comes in 2600 mAh, Minimum 2450 mAh, with Internal PCB (printed circuit board) protection. Printed circuit board prevents under-voltage at 2.5V and over-voltage at 4.25V both the scenarios. Dimensions of Tenergy 18650 include the diameter of 18+/-0.2 mm, Height 66+/- 0.2mm and weight (Typically) Approximately 46 gram.

Special caution should be used when working with Li-ion cells; they are very sensitive to charging characteristics and may blow up if wrongly handled. Keep in mind user has enough information on Li-Ion rechargeable batteries in charging, discharging and assembly before using them. The batteries should be kept in fire-proof container during charging not on wood surface or carpet.

Product Characteristics

  • Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V.
  • Dimensions: Diameter 18+/-0.2 mm Height 66+/- 0.2mm
  • Higher energy density and lower weight than other types rechargeable batteries
  • Building portable power device needing high energy density and low weight
  • Cycle Performance: 90% of initial capacity at 400 cycles, Cycle life: > 500 cycles.

Customer reviews;

Feedback and opinions show that Tenergy 18650 successfully obtaining the huge response from its consumers. Errors are witnessed at neglect able quotient. The Tenergy 18650 are available in 2000, 2200, 2600 and 3000 but 2600 with PCB is gaining popularity rapidly because of its durability as compare to other rechargeable batteries. PCB provides a security to its users from losing their appliances due to over or under charging. That is the main reason mostly users go for Tenergy 18650 2600 with PCB. The results are magnificent when used in flash lights or any other appliances. Some users faced problems also regarding the weight and thickness of batteries as they faced conflict between the dimensions quoted and perceived after usage but still it is highly acknowledged by a number of customers.


10
Apr 11

Sanyo 18650 Battery: The Best 18650 Battery?

Now a days we have come across different experiences of 18650 batteries for our gadgets and portable devices like Music Players, Flash Lights and various other digital devices. Buying and buying the disposable batteries is a bit annoying and some times an over burden on our wallet so why don’t move towards rechargeable batteries as this a wise choice and not expensive as well.

The best buy in this particular category are many but the Sanyo 18650 can be considered as the real worth for your money and time. You can now stay powered for longer by using this small but magnificent item. These are eco-friendly and green power concept oriented.

Key Benefits & Features

Sanyo 18650 are the bet among the tribe as they are being in use of many people and the customers are really happy with the fringe benefits of the product. The lesser burden on pocket is always welcomed and when the matter is like cost efficiency with greater performance every one goes to get it. The main benefits can be arranges as they are

-     higher energy density with optimized electrodes design

-          low-priced in the long run

-          long-lasting

-          durable

-          quick recharging

-          high battery safety

-          free from leakage of liquid electrolyte

-          easily available

-          environment friendly as compared to disposable batteries

-          reduced/no memory effects

Benefits are only enjoyable when then the products are worthy and able to provide peace of mind to the customer or user. Many Benefits are never experienced due to slighter information about the particular product and wrong usage can cause the lesser performance of product same in this the things which should be kept in mind are

Things to Know

Never leave batteries unattended when charging

-          Never use old batteries with new one

-          Put the batteries in fire-proof container

-          Do not dispose off in fire or Leak

-          Store in cool place

-          Off course they have a shelf life, check before you buy

-          Check for Genuine Batteries

-          Use Same company Batteries for better performance

-          Do not put batteries on wood surface or carpet when charging

-          Never try to modify the batteries as it may result bad

The bulleted points are the general guidelines for using the rechargeable batteries like Sanyo 18650. However the better care always ends in better result. Using the rechargeable batteries is always a wiser choice because they long last and handy to charge the batteries right away with the help of various types of chargers available like the amazing option of solar energy charger or car charging kits etc.

Paying more or getting more

The products from good companies always cost a little high than those of unknown brands because the promise of best performance and reliable product underneath their brand name. No doubt the unknown brands can be bought in comparatively cheap rates but the performance and reliability becomes question mark in this case. Why should one save some bucks when he knows that it will be going to frustration and dissatisfaction in the end. On the one hand it is being said that the rechargeable batteries are long-lasting and best worth for money but on the other hand some one goes for saving a little amount by purchasing unknown brands resulting poor results. So one time higher cost is giving the better payback with the greater peace of mind ultimately.

Customer Reviews

This battery (Sanyo 18650) holds its charge and compares well against competitors and is a reliable product as it can be used in camera’s, toys and other type of electronic items running on batteries. Quick recharge time and long-lasting. These batteries are safe and good in performance. The charger is easily available in the market for these batteries.


10
Apr 11

The Best Brand Of Rechargeable 18650 Batteries

Selecting the best brand of rechargeable 18650 batteries means finding a product from a reputable company that will last you longer and cost you less in the long-run. There are several 18650 batteries in the market that combine low-cost with high quality.

The product with the best reviews in terms of customer satisfaction is 6 pcs Tenergy Li-Ion 18650 3.7V 2200 mAh battery with Tabs. In addition to providing customers with a great product, Tenergy is able to offer low prices too. Given below are some of the main features of the product.

  • The batteries are light in weight yet have greater energy density.
  • Cycle performance is at 90% of the original capacity and gives you over 500 cycles.
  • The diameter of the batteries is 18+/- 0.2 mm with a height of 65+/- 0.2mm.
  • The Current is 0.5C mA with a voltage of 4.2 V and an end current of 0.01 mA. Additionally discharge current is 0.5C mA with an end voltage 3.0V.
  • Strict quality assurance under ISO9001-2000.
  • Tested under International Electrotechnical Commission (IEC) standard to ensure maximum capacity, great quality and life-time application.

The list of the best brand of rechargeable 18650 batteries would be incomplete without the Ultrafire 18650 XSL 2600mah Protected Button Top Rechargeable Lithium Battery. Not only is the price quite reasonable, these batteries are light weight and will last a long time. Some of the main features that Ultrafire provides are listed below.

  • It has complete PCB protection.
  • Upper and lower voltage limit permitted by the battery is 2.5V and 4.25V respectively.
  • The energy density is relatively higher than other batteries.
  • The batteries are light in weight.
  • Quality is assured under ISO9001-2000
  • International Electrotechnical Commission (IEC) standard of battery tests are done to ensure greater capacity, quality and life time
  • Used for devices requiring 3.7V.
  • Easy to carry due to light weight and ease of use.

Among the best brand of rechargeable 18650 batteries, another name that is gaining popularity is Trustfire 2500mAh 3.7V IC Protected 18650 Rechargeable Li-Ion Battery which comes in combination with a charger. The whole set is for a surprisingly low price but does provide quality to go with it.

  • For use in some specific flashlights and other devices.
  • Can be charged as many as 500 times.
  • Is able to hold 85% charge for a period of 3 months.
  • The charger gives the additional advantage of charging Ni-Mh AA, AAA, C, D, 9V batteries.

When buying the best brand of rechargeable 18650 Batteries there are some basic features that you should look for.

  • Look for quality rather than price.
  • Find a reputable company with great customer reviews.
  • Ensure that the battery you’re buying can be re-charged easily.
  • Check for voltage and other specifications to find the one you need.
  • Search for a higher energy density product.
  • Make sure the battery is light weight.
  • Find one that has the longest life.

Customer reviews:

Customers particularly favor the Tenergy batteries because of the protective casing and tabs that prevent damage and discharge. Many customers were pleased that the batteries were able to give 99.99% of the expected capacity.

For the Ultrafire batteries the main feature that customers enjoy is the ease of removing and recharging them. A recharge once a week is enough for regular daily use.

Customers of Trustfire batteries rave about the long-lasting charge of the product. One customer even claimed to have used the batteries for 19 days on one charge.