Dong Cheng 20V Brushless Jigsaw, vs FLEX 24V Brushless Cordless Orbital Variable Speed
Updated August 2026 — Dong Cheng 20V Brushless Jigsaw, wins on accessories and value, FLEX 24V Brushless Cordless Orbital Variable Speed wins on warranty and power.
The Dong Cheng 20V Brushless Jigsaw offers better value with included accessories, while the FLEX 24V provides superior power and warranty.
Why Dong Cheng 20V Brushless Jigsaw, is better
Price
Dong Cheng is $99.99 compared to FLEX's $149.00.
Accessories
Dong Cheng includes a complete set with battery and charger.
User Features
Dong Cheng has dual LED lights and a dust blower.
Why FLEX 24V Brushless Cordless Orbital Variable Speed is better
Power
FLEX has a 24V battery providing 20% more power.
Speed Control
FLEX offers four speeds with auto mode.
Warranty
FLEX provides a 5-year limited warranty.
Overall score
Specifications
| Spec | Dong Cheng 20V Brushless Jigsaw, | FLEX 24V Brushless Cordless Orbital Variable Speed |
|---|---|---|
| Voltage | 20V | 24V |
| Stroke Length | 26mm | N/A |
| SPM Range | 800-3500 | N/A |
| Speed Settings | 6 | 4 |
| Battery Included | Yes | No |
Dimension comparison
Overview of the Dong Cheng 20V Brushless Jigsaw and FLEX 24V Brushless Cordless Orbital Jig Saw
The Dong Cheng 20V Brushless Jigsaw is priced at $99.99, while the FLEX 24V Brushless Cordless Orbital Jig Saw is more expensive at $149.00, making the Dong Cheng about 33% cheaper. Both jigsaws feature brushless motors for enhanced performance, but they cater to slightly different user needs and preferences. The Dong Cheng model boasts a complete set of accessories, while the FLEX jigsaw focuses on advanced battery technology and speed control.
Power and Performance
When it comes to power, the FLEX 24V Brushless Cordless Orbital Jig Saw offers a notable advantage with its 24V lithium battery, which provides 20% more power compared to typical 20V models. In contrast, the Dong Cheng 20V Brushless Jigsaw features a powerful brushless motor that delivers stable power for cutting various materials, including wood, aluminum, and steel. While both tools provide efficient cutting, the FLEX's higher voltage may yield better performance for demanding tasks.
Speed and Cutting Capability
The Dong Cheng jigsaw features a variable no-load speed ranging from 800 to 3500 strokes per minute (SPM) and a 26mm stroke length, allowing for precise and fast cuts. In comparison, the FLEX model offers four speeds with an auto mode, promoting controlled and precise cuts. While both tools excel in speed, the Dong Cheng’s broader range of SPM makes it adaptable for different materials and cutting styles.
User-Friendly Features
User-friendliness is a strong point for both jigsaws. The Dong Cheng model includes dual LED lights for improved visibility, a dust blower to keep the cutting line clear, and a tool-less blade change mechanism for quick swaps. Meanwhile, the FLEX jigsaw features a one-touch blade eject for fast blade changes and a dual-guide blade holder to ensure maximum cut accuracy. Both tools prioritize ease of use, but the Dong Cheng offers a more comprehensive lighting and dust management system.
Design and Ergonomics
Design and ergonomics play a crucial role in the usability of power tools. The Dong Cheng jigsaw is equipped with a D-shaped rubberized handle that enhances comfort during prolonged use. The FLEX model also features a user-focused design with an ergonomic D-handle, promoting a secure grip. Both designs focus on comfort, but the rubberized handle on the Dong Cheng may offer better grip and comfort during extended tasks.
Battery and Charging
The Dong Cheng 20V Brushless Jigsaw comes with a 4Ah battery and a 2A charger included in the package, providing users with everything they need to start working right out of the box. The FLEX 24V jigsaw, on the other hand, is sold as a tool only, meaning that users will need to purchase batteries and chargers separately. This makes the Dong Cheng a more complete package, especially for those looking to begin their projects immediately.
Warranty and Support
FLEX offers a 5-year limited warranty on their tools when registered within 30 days of purchase. This demonstrates a commitment to quality and customer support. The Dong Cheng jigsaw does not specify warranty details, which may affect buyer confidence. Knowing that the FLEX tool has a longer warranty could influence the decision for users prioritizing long-term reliability and service.
Which should you buy?
Choosing between the Dong Cheng 20V Brushless Jigsaw and the FLEX 24V Brushless Cordless Orbital Jig Saw ultimately depends on your specific needs and budget. If you are looking for a cost-effective solution with all necessary accessories included, the Dong Cheng model at $99.99 is the clear choice. However, if you prioritize high voltage power, battery efficiency, and a robust warranty, the FLEX model, despite its higher price of $149.00, may be more appealing. Each tool has its strengths, so consider what features are most important for your projects before making a decision.

