Cheap And Discounts 1~30PCS 100% New original VIPER53SPTR-E VIPER53SP-E VIPER53SP VIPER53 Package:10-PowerSO power management chip Wholesale. Buy Directly From Merchant Shenzhen Feiligu Technology Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.