1. A digital camera is a precision equipment, proper maintenance can extend its working life. 2. You should always clean up. You need to use external soft lint cloth, memory card slot of the battery should also be frequently with a soft br…

When we buy a lapop, there is a original laptop battery and operating instruction in its package. We also can find a tip there: Calibrate your laptop battery once a month. But what is laptop battery calibration and why we calibrate our lap…

Each battery has a limited life, no matter what device is power. Batteries are not different than normal cells, except they are a finite number of times recharging. Under normal rechargeable batteries have a shelf life of 250-500 charge cy…

Alkaline-manganese Laptop batteries (disposable batteries) recharge instead of throwing awayEven now, the most widely used batteries: alkaline manganese batteries, causing thousands of tonnes of hazardous waste annually.According to a Euro…

Q: When I lost power last week, my laptop six years ago, abruptly closed, even though the Compaq Presario CQ40 battery supposedly had a good full charge for three hours. If the battery has a problem?A: Yes, lithium-ion batteries in most la…