Complaint
| Model Number | YZYM-643-3W | YZYM-643-4W | YZYM-643-5W | YZYM-643-6W | YZYM-643-8W | YZYM-643-10W | YZYM-643-12W |
| Capacity | 3,0000Mah | 4,0000Mah | 5,0000Mah | 6,0000Mah | 8,0000Mah | 10,0000Mah | 12,0000Mah |
| Input | 5V/2A | ||||||
| Output | 5V/2.1A | ||||||
| Material | ABS+SILICA | ||||||
| Product size | 178*82*40mm | 178*82*49mm | 178*82*59mm | 178*82*70mm | 178*82*87mm | 178*82*105mm | 178*82*124mm |
| Weight | 600G | 780G | 955G | 1150G | 1480G | 1830G | 2180G |
| Color | BLACK/WHITE | ||||||
| Features | Three input four output/Intelligent control circuit/Entrance/Exit 2A/LED camping light | ||||||
1: how can we guarantee quality?
A: Always a pre-production sample before mass production; Always final Inspection before shipment;.
2: Can you make our Customized Design or put our Company Logo on the product?
A: Sure,we can do this since we are the factory !
3: After-sales Service
A: 1 year warranty for all kinds of inverter;
If you find any defective accessories after receiving the goods, please contact us at once. we will give you the new parts for
free to replace in the next order after confirmation, as an experienced manufacturer, you can rest assured of the quality and
after-sales service. ( Please refuse to sign if the goods package in broken situation )
4:What about the delivery time and shipping?
A: some of times in stock, we can make 3-7days fast delivery.
For USA,Canada,Australia and most of European country , we provide tax included services, door to door, once you place an order ,then you will receive your new battery pack in about 40-55 days at your home!
5: I'm very sensible in price, I am a wholesaler of battery pack, if i sell your battery pack in my city , the profit is very low, can i get a cheaper price? and i can see your competitor sells more cheap then you.
A: It is highly suggest that you can have a comparision with our competitor. Indeed, there are also some supplier provide low price battery pack but using cheap material. Pls pay attention to the cycle life and the warranty, and we have anti vibration design and communication design. maybe you know the price of cylindrical cell is far cheap then prismatic cell.besides, we also provide cylindrical cell solution , pls contact us directly and we will tell you more. Most Importantly, we can give you a professional solution according to your local market? low profit? Don't worry about that, our engineer team will help you help you to solve it.
