Pack电池预充电组选型

预充电路是指在电路中先于主电路投入工作的充电电路。其作用是为主电路的稳定工作提供足够的时间和准备。而预充电阻是在整车高压上电初期对电容进行缓. What if I Can't Find my package?First, verify your shipping address in the emailed receipt. Be sure to check the delivery confirmation email for the tracking link with specific details and a photo of where the package was left. Also, check with neighbors or your resident office. If you still can't find your package, contact our Customer Love Team here or at 877-896-7426.. What should I do if I receive a returned package?What You Can Do: When the sender receives the returned package, confirm that the delivery address is correct and that it is written completely and legibly on the package or label. The sender will need to reship the item with new postage. Please sign up to receive text or email tracking updates to follow the package on its journey.. How do I know if a package is in a locker?If you have a multi-unit community mailbox and there is a key in your regular mail compartment, your package is in a parcel locker. Check the key tag for the corresponding locker number and open that locker. If you live in an apartment/condo, contact your building's management office to see if the package was left with them.