LED Indicator:The LED indicator displays Four lights to show the remaining battery power. This feature enables users to monitor battery usage effectively and improve the battery's lifespan
Safety & Reliability:Batteries are CE, FCC & ROHS certified.Intelligent Protection against potential damage caused by over-charging, over-discharging, over-voltage, over-current, short-circuit
VANTTECH Service:Please feel to contact our 24-hour online customer service if you have any questions during the use of the battery( on "YOUR ORDER" options click the "contact seller")