Shenzhen Jianheng Technology Co., Ltd.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability | 10000 units per month |
| Delivery Time | 15-20 working days |
| Packaging Details | Color box with foam insert, 20 units per carton |
| Capacity | 20000mAh |
| Energy | 74Wh |
| Nominal Voltage | 3.85V |
| Max Output Power | 22.5W |
| PCB Efficiency | 85% |
| Operating Temperature | -10C to +80C |
| Explosion-proof Grade | Zone 2 |
| Cycle Life | 500 cycles |
| Brand Name | OID |
| Model Number | OID3070120-2000mAh |
| Certification | Zone 2 explosion-proof compliant |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union | Supply Ability | 10000 units per month |
| Delivery Time | 15-20 working days | Packaging Details | Color box with foam insert, 20 units per carton |
| Capacity | 20000mAh | Energy | 74Wh |
| Nominal Voltage | 3.85V | Max Output Power | 22.5W |
| PCB Efficiency | 85% | Operating Temperature | -10C to +80C |
| Explosion-proof Grade | Zone 2 | Cycle Life | 500 cycles |
| Brand Name | OID | Model Number | OID3070120-2000mAh |
| Certification | Zone 2 explosion-proof compliant | Place of Origin | China |
The OID3070120 is a high-safety portable power bank designed for Zone 2 hazardous areas where flammable gases, vapors, or dust may be present. It adopts intrinsically safe lithium battery cells that have passed the strict nail penetration test, ensuring no fire or explosion even under extreme conditions. With a large capacity of 20000mAh (74Wh) and support for multiple fast charging protocols, this power bank provides reliable and efficient power for your electronic devices in industrial, petrochemical, mining, and emergency rescue scenarios.
| Parameter | Value |
|---|---|
| Model | OID3070120-20000mAh |
| Rated Capacity | 20000mAh (74Wh) |
| Nominal Voltage | 3.85V |
| Charging Limit Voltage | 4.4V +- 0.05V |
| Discharge Cut-off Voltage | 3.0V +- 0.1V |
| Dimensions (T x W x L) | 31 x 71 x 119 mm |
| Weight | 450g |
| Explosion-proof Grade | Zone 2 compliant |
| Port | Input Voltage | Input Current |
|---|---|---|
| TYPE-C1 | 4.75V-5.25V / 8.55V-9.45V / 11.5-12.5V | 2.75-3.25A / 1.8-2.2A / 1.4-1.67A |
| TYPE-C2 | 4.75V-5.25V / 8.55V-9.45V / 11.5-12.5V | 2.75-3.25A / 1.8-2.2A / 1.4-1.67A |
| Port | Output Voltage | Output Current | Max Output Power |
|---|---|---|---|
| TYPE-C2 | 5V+-0.25V / 9V+-0.5V / 12V+-0.5V | MAX 3.0A / MAX 2.22A / MAX 1.67A | 22.5W |
| TYPE-C3 | 5V+-0.25V / 9V+-0.5V / 12V+-0.5V | MAX 3.0A / MAX 2.22A / MAX 1.67A | 22.5W |
Note: When two ports discharge simultaneously fast charging is disabled and only 5V normal charging is supported to ensure safety.
This power bank is specially designed for Zone 2 hazardous environments including petroleum and petrochemical plants, natural gas facilities, chemical plants, coal mining, grain processing, woodworking, and firefighting rescue operations. It features multiple safety protections: do not immerse in water, do not expose to fire or high heat, use only approved chargers, do not short-circuit, do not disassemble or modify. Stop using immediately if unusual odor or excessive heat occurs. Keep out of reach of children. For long-term storage maintain charge between 3.8V and 3.9V and store in a cool dry place. Dispose of according to local environmental regulations.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2020
Total Annual:
15000000-20000000
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Jianheng Technology (Shenzhen) Co., Ltd. is located in Shenzhen, China’s “City of Innovation” — home to global technology leaders such as Huawei, BYD, DJI, ZTE, and Tencent. Like these renowned companies, Jianheng Technology is driven by a commitment to independent techn... Jianheng Technology (Shenzhen) Co., Ltd. is located in Shenzhen, China’s “City of Innovation” — home to global technology leaders such as Huawei, BYD, DJI, ZTE, and Tencent. Like these renowned companies, Jianheng Technology is driven by a commitment to independent techn...
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