
"Integrity, Quality, Innovation, Customer"----DROK
DROK has been engaged in technical research, development, manufacture and sale of all kinds of USB power meters for many years.
With acquisition of leading technology, we strictly enforce quality management system and improve operational management, dedicate to produce high performance meters for our valued customers.



![]() DROK USB Load Tester | ![]() DROK USB Load Tester with Display | ![]() DROK USB Meter | ![]() DROK USB Buck Boost Voltage Converter | ![]() DROK USB Voltage Regulator | |
|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — |
| Price | — | — no data | — | — no data | — no data |
| Input Voltage | DC 4-25.0V | DC 4.0-25.0V | DC 3. 2~30. 0V | DC 3.5-15V | DC 3.5-15V |
| Operating Current | 0.25-4.00A | 0.03-5.00A | 0. 00~3. 00A (10A max) | - no data | |
| Max Discharging Power | 25W | 35W | - no data | ||
| Output Voltage | - no data | - no data | - no data | DC 0.6-30V | DC 0.6-30V |
| Display | 4 bit LED tube | LCD | LED | LED | LED |

Enjoy Life, Enjoy DIY.
DROK
- An expert in this field for over 10 years.
- A seller who cares you a lot.

"Integrity, Quality, Innovation, Customer"----DROK
DROK has been engaged in technical research, development, manufacture and sale of all kinds of USB power meters for many years.
With acquisition of leading technology, we strictly enforce quality management system and improve operational management, dedicate to produce high performance meters for our valued customers.



![]() DROK USB Load Tester | ![]() DROK USB Load Tester with Display | ![]() DROK USB Meter | ![]() DROK USB Buck Boost Voltage Converter | ![]() DROK USB Voltage Regulator | |
|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — |
| Price | — | — no data | — | — no data | — no data |
| Input Voltage | DC 4-25.0V | DC 4.0-25.0V | DC 3. 2~30. 0V | DC 3.5-15V | DC 3.5-15V |
| Operating Current | 0.25-4.00A | 0.03-5.00A | 0. 00~3. 00A (10A max) | - no data | |
| Max Discharging Power | 25W | 35W | - no data | ||
| Output Voltage | - no data | - no data | - no data | DC 0.6-30V | DC 0.6-30V |
| Display | 4 bit LED tube | LCD | LED | LED | LED |
Enjoy Life, Enjoy DIY.
DROK
- An expert in this field for over 10 years.
- A seller who cares you a lot.
















































