3-7volt Lithium Ion Battery Usb Type-c 21700 5000mah Lithium Battery 21700 Li-ion For Flashlights
Description
Specification
Type | Item | Parameter |
Power Batteries Model | 21700 3,7v usb-c rechargeable battery | |
Cell | Cell Type | INR21700-5000mAh |
Rating voltage | 3.7v | |
Impedance | ≤60 mΩ | |
Batteries Group | Combination Method | Welding |
Compatible | 3.7v | |
Rating Capacity | 5000mAh | |
battery charge Method | Type-c 5V 1.4A | |
Discharge cut-off voltage | 2.5v | |
Recycling life | 500 times | |
Nominal Charge current | 1.4A | |
MAX Discharging current | 12A(Max) | |
Dimension | 21*77±0.5mm | |
Charging operating temperature | 0~45℃ | |
Discharging Operating Temperature | -20~50℃ | |
Management system | Single cell over-charge cut-off voltage | 4.2±0.02V |
Charge Working voltage | 4.10±0.05V | |
Single cell under-discharge cut-off voltage | 2.4±0.1V | |
Discharge working voltage | 3.0±0.1V | |
Over-charge cut-off current | 14A±0.3A | |
Short circuit current protection | Enable | |
Certificate | CE,ROHS,MSDS,UN38.3 |
Product Description
Packing & Delivery
Packing: 50 pieces/box, 200 pieces/case
Delivery time: 10-15 days after orderconfirmation Transportation: express, air, sea
Company Profile
We are a comprehensive Li-ion battery manufacturer integrating R&D, design, production, and PACK. We produce and operate custom Li-ion battery chargers, 1.5VAA Li-ion batteries, 1.5V AA USB rechargeable Li-ion batteries, 9V USB rechargeable Li-ion batteries,Dsize USB rechargeable Li-ion batteries, 18650 USB rechargeable batteries for torches, 21700 USB rechargeable batteries, 16340 USB rechargeable battery, 18350/18500 USB rechargeable battery, etc.
Our factory is mainly specialized in PACK, with a total production base of more than 2000 square meters, located in Huizhou, Guangdong, the civilized city of China. The company has more than ten years of professional experience in Li-ion battery research and development design, product circuit development engineers, in the field of rechargeable batteries have their own unique product design, and in the process structure formed their own unique structure, with more than forty new type of patent certificate, motivated to efficient and professional to provide customers with differentiated, customized quality Li-ion battery products, with many military enterprises have deep cooperation The company has become a partner of famous enterprises at home and abroad.
Ordering Instructions ~ Must Read
1、Source description: Shuiminian is the source manufacturer of lithium battery products, supporting the examination of the factory and placing orders after satisfaction. The factory can design the capacity according to customer requirements and arrange for sampling. After the sample is tested and qualified, mass production program will be made according to the acknowledged sample and technical information.
2、Delivery cycle. Battery sample delivery time
① Finished batteries. Cells, protection plates and wires arein stock and can be delivered within 7 days. No stock of cells, protection plates and wires, production lead time 10-15 days.Custom order lead time
②Customized batteries. If you have a sample quotation or a custom order, please consult our staff for more details. staff for more details. 3. Warranty period for lithium batteries. The warranty period is one year from the date of shipment. If it is proved by analysis that the battery’s defects are formed during the production process and not due to other reasons The company is responsible for returning the battery and providing a solution.
FAQ
Q1.How do we place a custom order?
A1: Please kindly send us email specifying the item,quantity ,or other specification to place an order
Q2. how can we guarantee quality?
A2:Always a pre-production sample before mass production;
Always final Inspection before shipment;
Q3:What’s the delivery time?
A3:The delivery time is 10-15 days after your payment.The exact delivery time will be confirmed with the customer.
Q4. why should you buy from us not from other suppliers?
A4:We can supply a full range of USB Type-c rechargeable batteries, including AA, AAA, 9V, D, 18650, 21700, 18350, 18500 and other device batteries. Our products are tested and executed according to MSDS, CE, UN38.3, ROHS international standards.
Q5:How do I track my shipment?
Ater we delivery your goods, we will send you the tracking NO. to you once your package has been shipped.
Q6:What’s the warranty for the purchased item?
A6: 1 Year
Additional information
| Nominal Voltage | 3.7V |
|---|---|
| Nominal Capacity | 5000mAh |
| Battery Type | cylindrical |
| Brand Name | SHUIMU |
| Model Number | 21700 USB BATTERY |
| Battery Size | 21*77±0.5mm |
| Place of Origin | Guangdong, China |
| Weight | 70g |
| The charging ratio | 5v 1.4A |
| The discharge rate | 12A |
| Storage Type | Normal temperature |
| Anode Material | NCM |
| Application | Toys, Power Tools, Home Appliances, Consumer Electronics, BOATS, Golf Carts, Flashlight Battery |
| OEM/ODM | Accepatable |
| Chargeable | Yes |
| Warranty | 1 years |
| Certification | CE, ROHS, MSDS, UN38.3 |
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