• Home
  • Tutorials
  • Interviews
  • Info Seed
  • Forums
  • Projects
  • Links
  • Contact Us
Projects
PROJECT BASICS
POWER SUPPLY
INTRODUCTION
DC POWER from AC
VOLTAGE TRANSFORMATION
RECTIFICATION
FILTERING
REGULATION
DESIGNING OF FINAL CIRCUIT
BATTERY POWER
TYPES of BATTERY
DESIGN QUESTION
HOW LOAD AFFECTS POWER SUPPLY
SENSORS
RELAY
CURRENT BUFFER
BIDIRECTIONAL CURRENT BUFFER
PARALLEL PORT
LEVEL SHIFTER
WIRELESS COMMUNICATION
PROJECT IDEAS
 

 

 

Battery power

The batteries are available in various shapes and sizes and generally the following are main parameters which need to be considered while selecting batteries:

1. Energy content or capacity: This is express in Ah (mAh).This is important characteristic that indicates how long the battery can last before it discharges and become useless. For a given battery type, the capacity also indicate the battery size. A battery with larger Ah rating will necessarily be bigger in volume than a similar Ah rating.

2. Voltage: This parameter is the voltage provided by battery.

3. Storage: This indicates how the battery needs to be stored, when not being used.

4. Self life: This parameter is a measure of how much time would a battery last before it discharges on its own. There is no point in buy a stock of batteries for next 10 years if self life of battery is, say only one year.

5. Operating temperature: Batteries have notoriously poor temperature characteristic. This is because working of the battery depends upon chemical reactions which are temperature dependent. Batteries perform rather poorly at low temperatures.

6. Duty cycle: The duty cycle of the battery indicates if the battery can be used continuously or not, without loss of performance.

 

 

previous next
| Copyright © 2009 exploreroots- All Rights Reserved | Disclaimer |