Revive Your Toshiba Laptop: PA3615U-1BRS 5200mAh High-Quality Replacement Battery Is your Toshiba Equium L40, Satellite L45, or Satellite Pro L40 frequently shutting down unexpectedly during work, losing power quickly during video calls, or struggling to hold a charge through a full day of tasks? This brand-new PA3615U-1BRS Li-ion replacement battery is custom-built to match the original power specs of your laptop. It breathes new life into your device, whether youre handling office work, attending online classes, or browsing the web. Every battery undergoes strict pre-shipment testing, including aging tests and short-circuit simulations, to ensure stable performance right out of the box.