"18650 DIY Power Bank Case – Fast Charging, Night Light (Battery Not Included)"

• Model: 18650 Battery Power Bank Case

• Type: DIY Mobile Power Bank Shell / Battery Storage Box

• Capacity: Holds 3×18650 Batteries (Not Included)

• Use: Smartphone Charging, Portable Power Bank Project

• Material: Durable Plastic Shell

• Origin: Mainland China

(Keeps core details concise and eliminates redundant features.)

Alternative (Even Shorter) Title Option:
"3×18650 DIY Power Bank Case – OPUYYM (Battery Not Included)"