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the advantages of lithium batteries compared with nickel-cadmium- batteries

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Lithium-Ion batteries are recent products compared to Lead batteries. They have been on the market since the 1980s. Lithium-ion technology has been proven to power electronic products such as telephones and laptops as well as cordless hand tools. so this is the main advantages of lithium ? 05 advantage comparing with Ni-Cd ð   Better weight / power ratio ð   No memory effect ð    No "lazy battery" effect ð    Very low self-discharge ð   Full of energy until the end -------------------------------------------------------------------------------------------- 1-    Better weight / power ratio    3,6 V / 1,5 Ah     2-  No memory effect :  What is the memory effect: The principle is that when you recharge a battery without ever letting it discharge completely, you end up losing the unused capacity. 3-  No "lazy battery" effect New Ni-xx batteries cannot be fully charged when starting to use. They...

Power tools : Safety guide : work safely on circular saw, wood router and table saw

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Power tools Safety guide for woodworker TO WORK SAFELY ON CIRCULAR SAW,ROUTERS AND TABLE SAWS. ALL THE ADVICES ON THE GUIDE COMES FROM EXPERTS IN EACH PROFESSION AND THEIR YEARS OF EXPERIENCE 1- Circular Saws A circular saw is a portable mechanical tool used in DIY jobs to cut  large pieces of wood, plastic, metals, concrete and other materials  like tiles and bricks. It can make curvilinear and straight cuts. It is  very popular among DIY enthusiasts and professionals for its high  sawing capacity and high precision. Whether in a workshop or in a  construction site, it is an effective instrument for carrying out  various tasks. * T hink about weather Always take into consideration the weather condition before starting work, because most machines of this kind are not protected against the water jet, since they have ventilation openings on the housing. so don't work in the rain . * the blade Choose the right blade for each type of material, to save time, and...