rechargeable batteries
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5 Kinds of Battery Chemistry Compared

Currently the 5 most common kinds of battery chemistry for rechargeable batteries are compaired in the table below.

The most popular rechargeable batteries are Ni-Cd, Ni-MH and Li-Ion in the consumer electronic industry, which are among our major products.

Using rechargeable batteries can save the environment and your money. Keep in mind, when the battery has been used up it needs to be properly recycled.  Yes, battery-tek recycles all of its spent batteries.  Bring us your batteries and we will take care of the recycling for FREE.

  Performance Comparison of various Rechargeable Batteries

Parameters

Lead acid

Ni-Cd

Ni-M-H

Liquid

Li-Ion

Polymer

Li-ion

Voltage (V)

2

1.2

1.2

3.6

3.6

Weight energy density ( Wh /Kg)

35

50

80

125

170

Volume energy Density ( Wh /l)

80

150

200

320

400

Cycle life (times)

300

500

500

800

1000

Selfdischarge
(%/ month)

0

25-30

30-35

6-9

2-5

Electrolyte state

Liquid

Liquid

Liquid

Liquid

Polymer Gel

Min. thickness

> 10 mm

>3mm

>3mm

>3mm

<1mm

Memory effect

no

yes

no

No

No

Pollution

yes

yes

No

No

No

Production cost

lowest

Low

middle

High

Middle

Advantages

High drain current and low cost

Middle drain current and low cost, smaller volume

Middle drain current and cost, higher capacity

higher capacity and lighter weight

Highest capacity, lighter weight and flexibleshape

Disadvantages

Too heavy

Environmental not friendly

Higher self-discharge and weight

Low drain current and higher cost

Low drain current and very high cost

Applications

Car and lighting

Power tool, cordless phone and emergency lighting etc.

Toy, PDA,, MP3 and digital camera etc

Cellular phone and laptop computer

Laptop computers

 

 

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