So you're looking for a impact wrench, and you need something that's portable. Electric impact wrenches (most notably cordless ones) are no longer under-powered and over-weight, and there are plenty of reasons why they are better than their air powered cousins.
A: In general, it's a good idea to fully charge your cell phone battery the first time you use it. Then, allow it to completely drain to zero before you charge it again. If you do this three times it will help to condition the battery to give you a full charge. This is particularly important for NiMH batteries but is also relevant for lithium-ion batteries-Ion batteries as well.
Now you need to determine what type of batteries you will need. This is based mostly on lithium ion batterty stocks your budget and time till land variable. In other words, how long do you want to fly for and still get performance.
Only charge your battery when it needs it. After a full charge, use as much of it's capacity as you can before giving it another charge or swap in a spare battery. Also don't use the charger as a radio stand and leave your fully charged battery in cobalt ontario canada there for repeated extended periods of time. This will shorten your battery life.
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 the years we 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.
There is nothing at all wrong with purchasing an aftermarket battery for your phone. I have used many in years of cell phone usage. I would recommend that you purchase a Lithium Ion battery instead of Nickel Hydride. The charge current depends upon the technology and capacity of the battery being charged. For example, the current that should be applied to recharge a 12 V car battery will be very different to the current for a mobile phone battery.
Besides helping me discover what cordless drill to buy as a gift, my cordless driver comparison helped me to better understand my tool. I now know how and why to use the clutch settings and am now taking the time to set it correctly.