Battery Basics Everyone Should Know phần 8 potx

... Three Knowing Your Battery Chapter 14: Non-Correctable Battery Problems Non-correctable battery problems are those that cannot be improved through external means such as giving the battery ... examples of how a computer-assisted battery testing system can simplify operation. To service a battery with Cadex Batteryshop™, for example, the user selects the battery model from...

Ngày tải lên: 07/08/2014, 23:20

... a NiMH battery under the GSM load schedule. This battery has 107% capacity and 778mΩ internal resistance. Figure 9-4: Talk-time of a Li-ion battery under the GSM load schedule. This battery ... charge/discharge/charge cycle. The DC method on the 68% SoH battery exceeded 1000mΩ. When using the impedance method, a battery with a known performance should be measured and its r...

Ngày tải lên: 07/08/2014, 23:20

... Daniell cell 185 9 Planté (France) Invention of the lead acid battery 186 8 Leclanché (France) Invention of the Leclanché cell 188 8 Gassner (USA) Completion of the dry cell 189 9 Jungner (Sweden) ... electroplated antimony onto copper over 4300 years ago. Part One Battery Basics Everyone Should Know Author's Note Battery user groups have asked me t...

Ngày tải lên: 07/08/2014, 23:20

... charge is known to build up a crystalline formation on nickel-based batteries, a phenomenon that lowers battery performance and shortens service life. The battery temperature during charge should ... systems, which communicate with the battery and terminate the fast charge when certain responses from the battery are received. Charging the Nickel Cadmium Battery Battery manuf...

Ngày tải lên: 07/08/2014, 23:20

... discharged battery should be charged at 0.1C. Charging a battery with a copper shunt at the 1C rate would cause excessive heat. Such a battery should be removed from service. Discharging a battery ... which battery type may be used, most equipment is designed for a three-volt cut-off. Caution should be exercised not to discharge a lithium-based battery too low. Discharg...

Ngày tải lên: 07/08/2014, 23:20

... single-cell Li-ion battery cuts off at Chapter 8: Choosing the Right Battery What causes a battery to wear down — is it mechanical or chemical? The answer is ‘both’. A battery is a perishable ... only battery choice and the equipment is seldom used, the battery should be removed from the equipment and stored in a cool place, preferably only partially charged. So far, littl...

Ngày tải lên: 07/08/2014, 23:20

... date, expiry date (time to service the battery) , battery capacity a illustrates such a label. 11-3: Sample battery label. The battery label keeps track of the battery in the same way a service ... Li-ion battery cool. Prevent storage in a hot car. Never freeze a battery. • If your laptop is capable of running without a battery and fixed power is used most of the time, rem...

Ngày tải lên: 07/08/2014, 23:20

... the battery into the analyzer. Here is how it works: The scanned battery model number is matched with the battery listing in the database. Cadex Batteryshop™ then assigns the appropriate battery ... Cadex 7000 Series battery analyzer, 37 units were found to be fully functional with capacities of above 80 percent and impedances below 180 mW. Phone manufacturers report that 80...

Ngày tải lên: 07/08/2014, 23:20

... 18- 4: Cadex Batteryshop™. This Windows-based software allows untrained users to perform accurate and expedient battery tests. With the same system, a design engineer can collect valuable battery ... Cadex Batteryshop™ schedules periodic maintenance for fleet owners and assists battery manufacturers with quality control. Cadex Batteryshop™ includes a database of over 2000 common b...

Ngày tải lên: 07/08/2014, 23:20