What is the backup battery capacity?

The inside backup battery is a rechargeable 3.7V 250mAh Li-ion battery.

Is the device compatible with all vehicles?

It is compatible with all vehicles with OBD-II connectors and supports most vehicles with CAN-BUS systems.

What is the warranty period?

The product comes with a 1-year warranty.

4G LTE & M1 Obdii GPS Tracker Real Time Car Tracking GSM GPRS Device Remote Diagnostics Function (TK428-DI)

Name: 4G LTE & M1 Obdii GPS Tracker Real Time Car Tracking GSM GPRS Device Remote Diagnostics Function (TK428-DI)
Brand: Topten Electronics Technology Limited
SKU: 921516385

Guangdong, ChinaTopten Electronics Technology Limited

US$50.00

1-99 Pieces

US$42.00

100-999 Pieces

US$41.00

1,000+ Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Screen Size

No Screen

Use

Automotive, Hand Held

Model NO.

TK428-KH

Certification

RoHS, CE

Warranty

1 Year

Working Voltage

+10.0 ~+60VDC

Inside Backup Battery

Rechargeable 3.7V 250mAh Li-ion Battery

Weight of The Main Unit

73G

Working Temperature

-20 ~ 85c

Ignition Alarm

Yes

Humidity

0 ~ 95%

Anti-Tamper

Yes

Support

4G/3G/2g

Receiving Ways

56 Channels

Receiving Sensibility

-162dBm

Positioning Mode

Auto 2D/3D

Transport Package

Neutral Packing

Specification

5.4*5.1*2.8cm

Trademark

TOPTEN

Origin

China

HS Code

8512301200

Production Capacity

50000PCS/Month

Key features

Plug & Play OBD-II Design: Compatible with all vehicles featuring OBD-II connectors and most CAN-BUS systems for easy installation.

4G LTE & M1 Connectivity: Supports 4G, 3G, and 2G networks with 56 channels for reliable real-time tracking and data transmission.

Remote CAN-BUS Diagnostics: Transmits real-time vehicle data including RPM, speed, fuel consumption, and error codes via GPRS.

Comprehensive Alarm System: Features vibration, power failure, engine on/off, over-speed, acceleration, turn-over, and trailer alarms.

Long Backup Battery Life: Equipped with a rechargeable 3.7V 250mAh Li-ion battery to maintain tracking during power failure.

OTA Firmware Updates: Supports Over-The-Air updates to keep device firmware current without physical intervention.

Wide Voltage Compatibility: Works with +10.0 to +60VDC, suitable for both standard cars and large trucks.

8000 Waypoint Storage: Built-in data logger capable of storing up to 8000 waypoints for detailed route history.

Company profile

Topten Electronics Technology LimitedGuangdong, China

CertifiedBusiness Type: Trading CompanyExport Year: 2005-01-01Nearest Port: Guangzhou, ShenzhenAverage Response Time: ≤8.51hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, EXW

AI-Powered supplier vetting

SummaryGuangzhou Topten Electronics Factory is a China-based limited company established in 2024, with 16 employees, a 200 m² manufacturing facility, and two production lines. It offers extensive customization, produces GPS trackers, GSM car alarms, and related security products, and reports CE compliance. The supplier states that finished products receive 100% inspection and that raw materials are traceable, although another record says finished products are checked by packing staff. Export activity is substantial at 90% of total sales, but the stated export experience is only one year. The supplier reports one R&D engineer, no new products launched in the previous year, no Fortune 500 collaborations, and only limited repeat-buyer preference. Evidence regarding after-sales capability and financial credibility is insufficient.

Supplier typeThe supplier is identified as Guangzhou Topten Electronics Factory, a Chinese limited company established in 2024 and operating in Guangdong. Its stated business covers electronics, security products, automotive accessories, and related industrial categories; a separate trade record names TOPTEN ELECTRONICS TECHNOLOGY LIMITED, indicating an associated or related entity, but the exact legal relationship is not fully established.

CertificationsThe supplier explicitly reports CE product compliance and describes production according to the ISO9001:2000 quality management system. However, the slices do not provide certificate numbers, issuing bodies, validity dates, or the specific products covered, so the evidence confirms stated certification/compliance but not its scope or current validity.

R&D capabilityThe supplier reports one R&D engineer and one year of R&D experience, while also stating that no new products were launched in the previous year. This provides explicit evidence of limited documented innovation output and a very small R&D resource.

Production capacityThe supplier operates a 200 m² facility with two production lines and reports 16 total employees, with stated order fulfillment within 15 working days in both peak and off-peak seasons. It also reports 100% finished-product inspection and raw-material traceability, although the separate statement that packing staff check finished products suggests that the inspection process and staffing structure require verification.

Customization capabilityThe supplier explicitly lists customization from samples, customization from designs, flexible and minor customization, and full customization. Its product scope includes GPS trackers, GSM car alarms, vehicle security products, and related tracking devices, supporting relevance to customized electronics and security-product requirements.

Client casesThe supplier states that it has not collaborated with Fortune 500 companies. The available trade record shows one transaction and one associated buyer name, while the repeat-buyer preference is reported at 10%–30%; these details provide limited customer evidence but do not demonstrate a strong portfolio of verified customer cases.