3.77V 10307mAh Internal Battery for iPad Pro 12.9 1st Gen Sorry, stock is not enough
3.82V 1980mAh Battery with Adhesive for iPhone 8 (High Capacity)
US $7.95
3.82V 3174mAh Battery with Adhesive for iPhone XS Max
US $9.45
3.82V 2691mAh Battery with Adhesive for iPhone 8 Plus
US $6.95