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free ship 2pcs/lot 18650 li-ion battery 4.2v 5000mah lithium rechargeable battery
we are professional China suppiler,we offer : Fast shipping within 3 days, VIP service, 100%Quality Testing, 100% Positive Feedback, always ready for wholesaler.
Features: * Specially designed for wireless BT earphones, earbuds and headphones with Micro USB ports. * 300mAh capacity power bank can charge your wireless BT earphones for 5 times. * Made of high-quality plastic material, durable and shock-proof. * Mini size and lightweight design make it portable to carry. * Built-in smart chip automatically matches the rated voltage and current of the earphones without harm.
High quality and durable Provides continuous power to your device High energy density, long life battery Durable in low and high temperature operations
