For maintenance, it is much more convenient to have data drawings. Otherwise, it is a very troublesome thing. I spent a lot of time, sorted out the schematic diagram of some electric vehicle charger circuits, and sorted out the PCB map. The picture quality is high. Friends reference, this rare maintenance information, very practical, I hope to be useful to everyone, and some in the finishing, there is time to publish, if necessary, you can contact me, the obligation to help you. Add a pulse charger schematic (how to repair the battery with pulsed charging? Look at the experience to talk about the effect) Onlyrelx brand refillable disposable vape pen is portable and fashion disposable electronic cigarette, disposable ecigs pen are trending featured vape pen for vapors as it's safety and easy to use. Disposable vape pod,disposable vape, wholesale vape,vape wholesale,vape pen manufacturer and supplier.disposable vape pen,disposable electronic cigarette,disposable ecigs pen,disposable ecigs stick,disposable e-cigs pen,disposable vape factory,disposable vape pod,disposable vape device,vape pen,vape stick, vape wholesale,wholesale vape,customized dispsoable vape pen,customized vape pen,OEM&ODM disposable ecigs pen,disposable electronic cigarette wholesale, wholesale disposable electronic cigarette,distribute vape pen,vape pen distribute,high quality vape pen,high quality vape pod,rechargeable vape pod system,Pod System Vapes Rechargeable Vape Pod System,Distribution Disposable Vape,Onlyrelx Vape Pen,Atomizer Device Vape Pen Shenzhen Onlyrelx Technology Co.,Ltd , https://www.onlyrelxtech.com