The tool comes with high productivity and efficiency It is efficient in the sense that one can regulate the speed at which the blade rotates when it is cutting across materials With this kind of regulation, the user has control over the miter saw cobalt ontario canada The tool comes with high productivity and efficiency It is efficient in the sense that one can regulate the speed at which the blade rotates when it is cutting across materials With this kind of regulation, the user has control over the miter saw Are they expensive Yes The return on investment is not there A hybrid runs on dual fuel of battery and gasoline It runs primarily on battery but when the batteries get low, they will switch to gas I saw one site that listed hybrids ranging from 40,000 to 60,000 You can buy 2 or 3 trucks for that but you won't get the mileage The Volt gets really good mileage Since it's a hybrid - both gas and battery for fuel, it works on both worlds lithium ion batterty stocks The Currie line is regarded as generally good, with some limitations This is a product that would probably be better test ridden and purchased from a dealer rather than an online e-purchase Another thing to remember is not to store those batteries in the charger as well This will draw energy away too, and cause your battery to die off sooner than you expect Keep it away from high heat or extreme coldness Heat tends to cause damage to your battery while exposing it to low temperatures over a period of time will draw its charging capacity lithium cobalt mining The typical lithium-ion battery lasts 2-3 years Eventually oxidation lowers internal resistance, causing it to not be able to deliver the stored energy, even though the battery is charge Lower current draw applications will add to the life vs high draw devices with cobalt based Li batteries, like laptops, cameras, and cell phones Or if you're a contractor and are often working at other people's houses, and aren't able to have a compressor in the back of your truck You just make sure your battery is charged, and you're good to go 2 V28 Lithium Ion Batteries - The combo kit comes with two Lithium Ion batteries, a nice feature, since these batteries are expensive One item we are looking forward to is the cold test Over https//edisonlithiumcom/ have heard and read a lot of bad publicity on these batteries, not just the Milwaukee Lithium batteries, but all Lithium batteries in general One knock is they don't work when they are cold In our test we will leave them in the fridge over night to simulate the batteries being left outside over night