Evaluation: Speedybee Discharger – 60W USB-C LiPo Battery Energy Adapter

The Speedybee Discharger is an attention-grabbing gadget that transforms LiPo or Li-ion batteries into energy sources for any USB gadgets. Whereas it’s known as a discharger, I’d argue it’s extra like an influence adapter. Although it will probably function a discharger, I consider that’s not its major intent. On this assessment, I’ll delve into its efficiency and discover potential makes use of.


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The place to Purchase?

You should buy the Speedybee Discharger from:

It comes with a stability extension cable that helps as much as 6S batteries.

Speedybee Discharger 60w Usb C Power Adapter Lipo Batteries Unbox Accessories


  • Energy Enter Voltage Vary: 3-6S
  • Energy Enter Connector: XT60
  • Output Connector: USB-C
  • Supported Quick Charging Protocol: PD3.0/QC4+/PPS/AFC/FCP/SCP/PE2.0/SFCP
  • Charging Energy: 60W Max (3S, Max 30W; 4S, Max 40W; 6S, Max 60W)
  • Dimensions: 78*45*22mm
  • Weight: 56g

Error Notification (flashing display and beeping)

  • Er1 Quick circuit, energy off
  • Er2 Overheated, energy off
  • Er3 Overheated
  • Er4 Overvoltage, energy off (>26V)
  • Er5 Low energy voltage,energy off(<10.5V)
  • Er6 Alarm for low voltage of cell (3.80V by default, assist customization)
  • Er7 Alarm for 0.3V voltage distinction of cell

Low voltage alarm (flashing display and beeping)

  • 3S Lipo ≤11.1V
  • 4S Lipo ≤14.8V
  • 6S Lipo ≤22.2V

Nearer Look

The Speedybee Discharger makes it attainable to cost gadgets, together with laptops and smartphones, through its USB Kind-C output, from 3S to 6S LiPo or Li-ion batteries. The utmost output energy relies on the enter voltage, providing as much as 30W for 3S, 40W for 4S, and 60W for 6S LiPo.

Speedybee Discharger 60w Usb C Power Adapter Lipo Batteries Gopro Input Voltage

Speedybee Discharger 60w Usb C Power Adapter Lipo Batteries Output Current

Its four-digit LED show showcases enter/output voltage and output present, with two buttons for navigating by way of displayed data. It could actually additionally show a spread of error notifications, with the built-in buzzer, offers customers warning about low voltage and different electrical points.

The enter connector is an XT60.

Speedybee Discharger 60w Usb C Power Adapter Lipo Batteries Xt60 Input

It additionally has a stability port on the facet, which screens the voltage of particular person cells. The stability port just isn’t required for the discharger to work.

Speedybee Discharger 60w Usb C Power Adapter Lipo Batteries Balance Connector

Nevertheless, the recessed USB-C port is questionable as it might not accommodate some cables with bigger plugs.

Speedybee Discharger 60w Usb C Power Adapter Lipo Batteries Output Connector

This discharger can cost a spread of gadgets like motion cameras and smartphones.

Speedybee Discharger 60w Usb C Power Adapter Lipo Batteries Power Testing

I even managed to cost my MacBook at 66W (20.1V x 3.28A), barely over its most rated energy of 60W.

Speedybee Discharger 60w Usb C Power Adapter Lipo Batteries Laptop Max Wattage

Left: output voltage; Proper: output present

It’s additionally appropriate for powering instruments like soldering irons.

Speedybee Discharger 60w Usb C Power Adapter Lipo Batteries Soldering Iron

Tear down of the system.

Speedybee Discharger 60w Usb C Power Adapter Lipo Batteries Dissemble Pcb

Voltage Studying Accuracy

I in contrast the voltage readings from the discharger with these from my calibrated multimeter, discovering them to be intently aligned, inside ±0.05V typically.

Cell# Discharger DMM
1 3.82 3.850
2 3.84 3.852
3 3.84 3.863
4 3.84 3.852
5 3.85 3.859
6 3.88 3.855
XT60 23.0 23.15

How It Works

The system is easy: plug within the battery and the system you want to cost, and it begins charging mechanically.

When the battery voltage drops under a sure threshold, it stops charging and alerts you. Observe, it doesn’t stability cells throughout discharge; exceeding a 0.3V distinction between cells will even set off an error and alert.

Quick press the left button to cycle by way of the displayed values: enter voltage, output voltage, and output present. Lengthy press the left button to show the system on or off.

Quick press the proper button to change between and examine the voltage of every cell. Lengthy press the proper button to set a minimal cell voltage (default is 3.80V). An alarm will sound when the voltage reaches the mini voltage, at which level output can be lower off.

Speedybee Discharger 60w Usb C Power Adapter Lipo Batteries Cell Voltage


Primarily, the Speedybee Discharger is designed for subject charging of USB gadgets, significantly these requiring as much as 60W, like laptops and tablets. Whereas there are different merchandise, just like the Speedybee Adapter 3, which supply USB charging from a LiPo battery at 30W, this discharger fulfills its 60W promise.

You should buy the Speedybee Discharger from:

Nevertheless, its dimension is notable; it’s considerably cumbersome for a 60W adapter. Regardless of this, its utility in offering on-the-go charging options could outweigh its dimension for a lot of customers, making it a worthwhile software for these needing energy in distant areas.

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