There is also an available 4400mAh Li-Ion Toshiba PA3331U-1BRS battery for those users needing extended battery life. Need 10.80V, 4400mAh Toshiba PA3331U-1BRS replacement battery? The high quality Toshiba PA3331U-1BRS battery is especially replacement for Toshiba PA3331U-1BRS. We're certain that the Toshiba PA3331U-1BRS battery could deliver extended life time with the notebook set to "balanced" or "power saver" mode and the screen brightness turned down.
Avoid frequent full discharges because this puts additional strain on the your PA3331U-1BRS battery . Several partial discharges with frequent recharges are better for lithium-ion than one deep one. Recharging a partially charged lithium-ion does not cause harm because there is no memory. (In this respect, lithium-ion differs from nickel-based batteries.) Short Toshiba PA3331U-1BRS battery life in a laptop is mainly cause by heat rather than charge / discharge patterns.
Toshiba PA3331U-1BRS Batteries with fuel gauge (laptops) should be calibrated by applying a deliberate full discharge once every 30 charges. Running the pack down in the equipment does this. If ignored, the fuel gauge will become increasingly less accurate and in some cases cut off the device prematurely.
Keep the lithium-ion Toshiba PA3331U-1BRS battery cool. Avoid a hot car. For prolonged storage, keep the battery at a 40% charge level.
Consider removing the PA3331U-1BRS battery from a laptop when running on fixed power. (Some laptop manufacturers are concerned about dust and moisture accumulating inside the battery casing.)