8) Most importantly... take your spouse or partner out to dinner while you can, especially if they don't fish. They're going to miss you for a lithium facts few months.
This model has a 8.9-inch touch screen display. It is a LED back-lit display and supports a variety of multi-touch gestures (which was a lot of fun to use!). The screen can be rotated 180 degrees to face outwards. Some of the other features includes a VGA port, 2 USB ports, audio jacks and a memory card reader. Instead of using the usual lithium-ion battery, this model is powered by a lithium facts-polymer battery.
The price of an external laptop battery may vary from brand to brand. But they are quite affordable and very compact device. They can be recharged with an external charger so you don't have to look out for an electric supply to charge the external battery.
Agitate the lithium bettery stock water gently until the light tells you it's done. UV purifiers don't work in murky water, so if that's the only water you have, you'll have to pre-filter it until it's not cloudy. You also need to make sure you don't drop a UV device.
In terms of charging these powerful cells, when specifically used in an LED flashlight, special chargers are available all over the internet. Most will handle a 18650 battery as well as a variety of other Li-ion sizes.
For jobs where the batteries are required to be light weight as well as being reusable, then lithium batteries are ideal. But if a battery is needed to be very reliable or to remain unused for a long time then they might not be the right batteries for it.