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ISDT MP305B Portable Linear DC Power Supply with Battery 0-30V 0-5A 150W — Open-Box, 5% Off
Brand: ISDT
Condition: Used
$15105
$15900
-5% Save $795
Updated: 7 days ago
Description
Portable Lab, Anywhere: Take lab-grade power wherever your work happens. MP305B combines a 70.56Wh built-in battery with a compact 5.43-inch footprint, delivering clean linear-regulated DC output without being tied to a wall outlet. Ideal for electronics development, field testing, RC tuning, drone maintenance, and mobile repair work.
Lab-Grade Linear Performance: Built with a switching pre-regulator and linear post-regulator architecture, MP305B delivers ultra-clean DC output with low ripple below 2mVrms and current noise below 3mArms. High precision, fast response, and excellent load regulation make it suitable for analog circuits, sensors, RF modules, audio electronics, and precision development work.
One Device Four Power Tools: More than a benchtop power supply. MP305B integrates: Variable Regulated DC Power Supply, PD trigger tester, Universal Battery Charger, Programmable Power Supply. Supporting 0–30V, 0–5A, and up to 150W output, it replaces multiple desktop tools while reducing workspace clutter.
Smart Programming & Remote Control: Create multi-step power sequences with up to 100 programmable points per profile. Manage presets, custom PD profiles, and output parameters through the built-in touchscreen, mobile app, web interface, Bluetooth mouse, or optional dedicated controller. Real-time curve monitoring helps visualize output behavior during operation.
Built for Engineers, Makers & RC Enthusiasts: Whether you're debugging PCBs, testing drones, tuning RC vehicles, charging batteries, or performing field diagnostics, MP305B provides stable output, active cooling, OTA firmware updates, E-Mark readout support, and reliable performance in a highly portable package.
Lab Performance in Your Hand
Engineered for demanding electronics applications:
- Ultra-Low Noise Output
- Fast Dynamic Response
- High Output Accuracy
- Excellent Load Regulation
- Active Thermal Management
Whether you're powering analog circuits, sensors, development boards, communication modules, or testing prototypes, MP305B delivers the stability expected from professional lab equipment.
Four Operating Modes
- Regulated DC Power Supply
Adjust voltage and current from 0–30V and 0–5A with precise control.
- Programmable Power Supply
Create custom multi-step test sequences and automate power workflows.
- USB-C PD Source
Generate custom PD profiles, support E-Mark readout, and provide programmable USB-C power output.
- Universal Battery Charger
Charge Li-ion, LiHV, LiFe, Pb, NiMH, and NiCd batteries from a single device.
Sold by
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- 30-day return policy
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Product Details
- SKU:
- awhd-us-b0h3n6xhp9
- Model:
- mp305b white
- Country:
- US
- ASIN:
- B0H3N6XHP9
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $8 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for ISDT products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.











