Recognize the impact of secondary trauma on the workforce. Recognize that exposure to trauma is a risk of the job of serving traumatized children and families. Understand that trauma can shape the culture of organizations in the same way that trauma shapes the world view of individuals.
The three main types of batteries used in modern laptops are nickel-metal hydride (NiMH), lithium ion (Li-ion), and lithium polymer (LiPo) batteries. NiMH batteries are the oldest technology currently in use, while LiPo batteries represent the cutting edge of portable power supply technology.
You will want to find the complete series and model before ordering the battery. An example is HP Pavilion dv series. A dv7 series laptop has three different batteries depending on your model (OEM part numbers compatible to dv7 GA08, MU06, MO06).