Batteries that lack stamina are frustrating for construction project managers and others on job sites. But, there is good news. “The latest generation of laptop batteries coming onto the market are capable of independent operation for periods of time far greater than their predecessors as a result of new efficiency gains,” explains Gordon Lane on Sourceable.net. Some 13 inch laptops are capable of running for 22 hours on a single charge, says Lane. Cost estimates, work schedules and inspections are typically coordinated with cutting edge software on construction jobs.