Portable Bench Power Supply Variable, 30V 5A 150W Linear Regulated Programmable DC Powersupply with Built-in Battery, Touchscreen, USB-C PD and Universal Battery Charge MP305B

[Smart Power Supply with Multifunction] Use it as a programmable bench power supply with app and web-based editing. Save presets, create up to 100 programmable steps, and build multi-step test routines for lab work, product development, and DIY electronics projects. Visual monitoring makes power behavior easier to track.
[4-in-1 Power Solution] More than a bench power supply. MP305B also works as a USB-C PD power source, PD protocol simulator, universal battery charger, and programmable power tool. Supports custom PDO profiles, E-Mark reading, and charging for Li-ion, LiHV, LiFe, Pb, NiMH, and NiCd batteries.

Compact Linear Power Supply
Built-in Battery 2 2.8" Touchscreen 3 4 Digits Display 4 Hybrid Topology 5 Clean DC Output
Power Input Type-C Rear Input (Max 140W) 5V3A9V3A12V3A 15V3A20V5A28V5A
MR30 Output 0-30V0-5A150W
Output Accuracy Voltage: <±0.5%Current: <±0.5%
Load Regulation Voltage: <0.01%Current: <0.1%
Noise Voltage: <2mVrmsCurrent: <3mArms
Response Time <90us
Setting Resolution Voltage: 10mVCurrent: 1mA
Display Digits 4 Digits
USB Type-C Output 5V3A9V3A12V3A15V3A20V5A 28V5APPS 5-21V5A (Max 140W)
Supported Protocols PD 3.0, PD 3.1, PD 3.2
Supported Battery Types LiHvLiPoLilon(1-6s)LiFe(1-8s)Pb(1-12s)NiMH/Cd(1-20s)
PDO Data 10 Programmable Groups
Remote Control APP (Wireless), PC (Wired/Wireless)
Product Dimensions 5.43 × 3.4 × 2.76 inch
Product Weight 1.83 lb
Is MP305B really a linear-regulated power supply?
Yes. MP305B uses a switching pre-regulator plus a linear post-regulation stage to deliver clean, stable linear-regulated output in a much smaller and more portable form factor.
Why is it so compact compared with traditional linear supplies?
Instead of relying on a large transformer and oversized heat sinks, MP305B uses a modern hybrid architecture to reduce size while maintaining low-noise, precision output.
Why wont my MP305B fully charge even after charging overnight? It never reaches 100%.
MP305B features a batery charge limit (factory default 80%- 90%). Navigate to Settings > Charge Limit and choose 100% to enable full charging. Reach support if issues continue.