ANENG B21 Rechargeable Digital Voltage Tester Pen
The ANENG B21 is a multifunction electrical tester designed for electricians, technicians and DIY users.
Combining voltage detection, screwdriver functionality and rechargeable power, the B21 provides a practical all-in-one solution for electrical inspection and repair tasks.
With NCV detection, live wire identification and insulated protection design, it helps users perform electrical testing more safely and efficiently.
More Than a Voltage Tester
The B21 integrates multiple electrical testing functions into a compact professional repair tool.
Non-contact Voltage Detection
Detect AC voltage safely without direct contact.
Measurement range:
Non-contact:
30~1000V AC
Contact:
3~600V AC
Live Wire Identification
Quickly identify live and neutral wires during electrical inspection.
Continuity & Break Point Detection
Check circuit continuity and locate wire break points efficiently.
Dual Color Display & Alarm System
Screen backlight changes color with buzzer warning for faster voltage identification.
Rechargeable Battery System
Built-in:
14500 lithium battery
3.7V / 300mAh
Supports convenient Type-C charging.
Multi-function Screwdriver Kit
Includes interchangeable screwdriver bits for different repair applications.
Designed for Electrical Repair and Daily Maintenance
The ANENG B21 is suitable for:
Home Electrical Inspection
Check sockets, switches and household wiring.
Electrical Installation
Identify voltage presence during installation work.
Electronic Repair
Support basic electrical troubleshooting.
DIY Maintenance
A compact tool for everyday repair tasks.
Safe Design for Professional Operation
The B21 combines electrical protection with practical working features.
NCV Non-contact Detection
Provides safer voltage testing without direct electrical contact.
Insulated Rubber Handle
Improves grip and electrical protection during operation.
CAT Safety Rating
CE CAT II 1000V
CAT IV 600V
Built-in Flashlight
Provides additional lighting in dark working environments.
Low Battery Indicator
Reminds users when charging is needed.
Technical Specifications
| Specification | Details |
|---|---|
| Model | ANENG B21 |
| Product Type | Rechargeable Digital Voltage Tester Pen |
| Non-contact Voltage | 30~1000V AC |
| Contact Voltage | 3~600V AC |
| Frequency | 50~60Hz |
| Safety Rating | CE CAT II 1000V / CAT IV 600V |
| Display | Backlit Screen |
| Alarm | Screen Color Change + Buzzer |
| Battery | 14500 Rechargeable Lithium Battery |
| Battery Capacity | 3.7V 300mAh |
| Functions | NCV, Live Wire Detection, Continuity Test, Break Point Detection, Flashlight |
| Screwdriver Bits | 10pcs Interchangeable Bits |
| Charging | Type-C |
| Size | 200 × 80 × 45mm |
| Weight | 262g |
What's Included
1 × ANENG B21 Voltage Tester Pen
1 × Carrying Bag
1 × Type-C Charging Cable
1 × 10pcs Screwdriver Bits Set
1 × User Manual
1 × Retail Packaging Box
