A hefty portable power bank is a handy thing to DIY, but one needs to get their hands on a number of matching lithium-ion ...

This Iniu power bank holds a 10,000mAh, or 37Whr battery capacity. If you factor in 80% power efficiency, here are the approximate number of times you can fully recharge each gaming handheld ...

Red Magic has launched its new Dao Magnetic Power Banks—ultra-slim power banks available in 5000mAh and 10000mAh variants.