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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.
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Performance Comparison of various Rechargeable Batteries
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Parameters |
Lead acid |
Ni-Cd |
Ni-M-H |
Liquid Li-Ion |
Polymer Li-ion |
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Voltage (V) |
2 |
1.2 |
1.2 |
3.6 |
3.6 |
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Weight energy density ( Wh /Kg) |
35 |
50 |
80 |
125 |
170 |
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Volume energy Density ( Wh /l) |
80 |
150 |
200 |
320 |
400 |
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Cycle life (times) |
300 |
500 |
500 |
800 |
1000 |
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Selfdischarge |
0 |
25-30 |
30-35 |
6-9 |
2-5 |
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Electrolyte state |
Liquid |
Liquid |
Liquid |
Liquid |
Polymer Gel |
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Min. thickness |
> 10 mm |
>3mm |
>3mm |
>3mm |
<1mm |
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Memory effect |
no |
yes |
no |
No |
No |
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Pollution |
yes |
yes |
No |
No |
No |
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Production cost |
lowest |
Low |
middle |
High |
Middle |
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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 |
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Disadvantages |
Too heavy |
Environmental not friendly |
Higher self-discharge and weight |
Low drain current and higher cost |
Low drain current and very high cost |
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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 |