High-quality 10000mAh lithium polymer batteries provide long-lasting and reliable battery life for mobile phones, tablets and other devices Higher charge and discharge efficiency up to 18W high power input Support multiple fast charging protocols to charge your phone faster Aluminum alloy case for anodizing process + 180° arc edge for single hand comfortable grip Japanese added lithium dedicated protection device, effectively avoiding avoid overcharge and over discharge of the battery, to prevent damage to the battery.