| Payment Terms | TT/ALIPAY/WECHAT |
| Supply Ability | 100,000,000 |
| Delivery Time | 10-20 days |
| Packaging Details | 10 PCS per carton |
| Lighting Modes | Flashlight / SOS / Warning |
| Output | USB 5V/2A (Max) |
| Charging Interface | USB-C input 5V / 2.1A |
| Rated Voltage | 12V DC |
| Operatingtemperature | -20°C to 60°C |
| Weight | 300g - 1000g |
| Inflation Speed | 0–36 PSI (approx. 5 minutes) |
| Outputvoltage | 5V/2.4A USB output |
| Additional Functions | LED flashlight, power bank, air compressor (optional) |
| Batterycapacity | 8000mAh |
| Color | Black & Yellow |
| Output Interfaces | USB 5V/2.1A, USB-C port, DC 12V output |
| Maximum Air Pressure | 150 PSI Tire Inflator |
| Product Weight | 350g |
| Brand Name | Captain Thunder |
| Model Number | DN-21 |
| Certification | ROHS, FCC, CE, VERIFIED, ISO14001, ISO9001, BSCI |
| Place of Origin | China |
View Detail Information
Explore similar products
Portable 8000mAh Multi Functional Jump Starter with 150 PSI Air Inflator and
Slim 12V Jump Starter with 600A Peak Current Built-in Air Compressor and 6400mAh
Heavy-Duty 20000mAh Jump Starter With 150 PSI Air Pump And 3000A Peak Current
Heavy-Duty 600A Peak Current Jump Starter with 150PSI Air Compressor & 24000mAh
Product Specification
| Payment Terms | TT/ALIPAY/WECHAT | Supply Ability | 100,000,000 |
| Delivery Time | 10-20 days | Packaging Details | 10 PCS per carton |
| Lighting Modes | Flashlight / SOS / Warning | Output | USB 5V/2A (Max) |
| Charging Interface | USB-C input 5V / 2.1A | Rated Voltage | 12V DC |
| Operatingtemperature | -20°C to 60°C | Weight | 300g - 1000g |
| Inflation Speed | 0–36 PSI (approx. 5 minutes) | Outputvoltage | 5V/2.4A USB output |
| Additional Functions | LED flashlight, power bank, air compressor (optional) | Batterycapacity | 8000mAh |
| Color | Black & Yellow | Output Interfaces | USB 5V/2.1A, USB-C port, DC 12V output |
| Maximum Air Pressure | 150 PSI Tire Inflator | Product Weight | 350g |
| Brand Name | Captain Thunder | Model Number | DN-21 |
| Certification | ROHS, FCC, CE, VERIFIED, ISO14001, ISO9001, BSCI | Place of Origin | China |
| High Light | 30000mAh Car Jump Starter ,LED Display Portable Battery Booster ,12V Multi Functional Jump Starter | ||
High Capacity 12V Car Jump Starter 30000mAh Portable Battery Booster Pack with LED Display Power Bank
Key Specifications
| Specification | Details |
| Dimension | Specification for Model DN-21 |
| Model | DN-21 |
| Technical Specifications |
- Battery Type: High-rate polymer ternary lithium battery - Peak Current: 600A - Starting Current: <400A - Input: Type-C (5V/1A, 15V/1A) - Output: USB (5V/2A, 5V/1A) - Operating Temperature: -20°C to 60°C |
| Standard Accessories |
- 1 × Portable Emergency Power Unit - 1 × Intelligent Battery Clamp Set - 1 × Air Inflation Hose with 3 Adapters - 1 × USB Charging Cable - 1 × Storage Flannel Bag - 1 × Retail Color Box - 1 × User Manual |
| Dimensions |
200 × 100 × 45 mm |
| Packaging Information | 10 Pieces |
The DN-21 Portable Car Jump Starter combines high battery capacity with a sleek and modern design, making it ideal for everyday drivers and travel use.With capacity options up to 30000mAh, it provides multiple jump starts and extended power support for mobile devices. Designed for 12V vehicles, it ensures reliable performance for cars and small SUVs.
Its compact form, digital display, and multi-function capability make it a practical and stylish solution for emergency situations and daily charging needs.
Q1: What vehicles is DN-21 suitable for?
A: It supports most 12V cars and small SUVs.
Q2: What makes DN-21 different?
A: It offers higher battery capacity with a stylish and compact design.
Q3: Can it charge phones?
A: Yes, it works as a power bank via USB output.
Q4: Is it suitable for diesel engines?
A: It is better suited for gasoline vehicles and smaller engines.
![]()
Company Details
Business Type:
Manufacturer
Year Established:
2020
Total Annual:
100000000-100000000
Employee Number:
350~400
Ecer Certification:
Verified Supplier
.gtr-container-xyz789 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 20px; max-width: 960px; margin: 0 auto; box-sizing: border-box; } .gtr-container-xyz789 p { font-size:... .gtr-container-xyz789 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 20px; max-width: 960px; margin: 0 auto; box-sizing: border-box; } .gtr-container-xyz789 p { font-size:...
Get in touch with us
Leave a Message, we will call you back quickly!