BEST SOLUTION FOR YOUR DEVICE: Rome Tech BIOS CMOS RTC replacement battery designed for reliable performance and high durability, it is guaranteed to maintain 80% of its rated capacity for 12 months from the date of installation. Rome Tech batteries are compatible only with the original equipment COMPATIBLE MODELS: Dell Vostro 15 5510 ROME TECH CMOS BATTERY MAIN ADVANTAGES: ★ Improved battery discharge characteristics ★ Resistance welded gold plated contacts for maximum performance; ★ High quality graded and sorted A' Grade cells; ★ Made of durable ABS and polycarbonate plastic shells for high endurance; ★ Batteries passed essential testing program that includes thermal cycling, oscillation, overcharge test simulation and external short circuit. Click Add to Cart now and replace your old broken battery with branded new Rome Tech OEM BIOS CMOS battery!