Frequently Asked Questions
Q1. Are Lithium Ion batteries available in standard sizes like AA , C or D cell size?
A. No, Lithium-ion batteries are not available in standard sizes. We believe this is because it would be too easy for users to inadvertently put them in a charger not designed for Lithium-ion batteries creating a potentially dangerous situation. (If an alkaline battery is put into the wrong charger it might leak or even burst, but a lithium-ion battery put into a NiCd or NiMH charger not designed for lithium-ion, might ignite. Also, because Li-ion batteries operate at much higher voltage (typically 3.7V per cell) than the 1.2 to 1.5V of most cell batteries, designing a 1.5V lithium-ion cell would be expensive.
Q2. What are the advantages of Lithium Ion batteries compared to other rechargeable batteries?A. Lithium-ion batteries have several advantages. They have a higher energy density than most other types of rechargeable's. This means that for their size or weight they can store more energy than other rechargeable batteries. They also operate at higher voltages than other rechargeable's, typically about 3.7 volts for lithium-ion vs. 1.2 volts for NiMH or NiCd. This means a single cell can often be used rather than multiple NiMH or NiCd cells.
Lithium-ion batteries also have a lower self discharge rate than other types of rechargeable batteries. This means that once they are charged they will retain their charge for a longer time than other types of rechargeable batteries. NiMH and NiCd batteries can lose anywhere from 1-5% of their charge per day, (depending on the storage temperature) even if they are not installed in a device. Lithium-ion batteries will retain most of their charge even after months of storage.
In summary; lithium-ion batteries can be smaller or lighter, have a higher voltage and hold a charge much longer than other types of batteries.
Q3. What is the difference between Lithium batteries and Lithium Ion batteries?A. There are several important differences. The main difference between Lithium batteries and Lithium-ion (Li-ion) batteries is that most Lithium batteries are not rechargeable but Li-ion batteries are rechargeable. From a chemical standpoint Lithium batteries use lithium in it's pure metallic form. Li-ion batteries use lithium compounds which are much more stable than the elemental lithium used in lithium batteries. A lithium battery should never be recharged while lithium-ion batteries are designed to be recharged hundreds of times.
Q4. How should I dispose of rechargeable batteries?A. Like all rechargeable batteries are recyclable and should be recycled. Lithium ion batteries should never be incinerated since they might explode. Most places that sell rechargeable batteries will also accept them back for recycling. If you need help with disposing of rechargeable batteries, please contact us
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