Battery Safety Protections: Made with high quality battery cells, Built-in protection against overcharge, over-discharge, over-current provides short- circuit protection and constant voltage circuit.
LED Charge level indicator: Power display can show remaining power in order to avoid over-charging & over-discharging.
After Sales Service: 30 days money back and 12 months quality service. Contact us if there any question click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller"