The 24 cell battery for the SeQual eQuinox is for patients that are looking to get the most battery life for their eQuinox. The 24 cell battery has enough juice to last through all your daily errands and then some. Compared to the 12 cell battery, the 24 cell battery gets at least two times more battery life, meaning more time with friends and family and less time restricted to the confinements of a charger. If you are a pulse flow oxygen patient, the 24 cell battery will operate for up to 5.94 hours, or if you are a continuous flow patient, the eQuinox will operate for up to an incredible 4.84 hours. The control panel will display remaining battery life, so the constant worry of running out of oxygen on the go is a distant memory. When it comes time to charge the 24 cell battery there are two standard options: the AC power supply which plugs into any conventional wall outlet throughout your home, and the DC power supply which is ideal for portable charging and plugs into the cigarette lighter outlet in most vehicles, R.V.'s, and boats. This battery weighs 3.5 pounds.