SKU: 81525736718

SKYRC BD250 Battery Discharger & Analyzer

$78.30 $87.00
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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13

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Description

SKYRC BD250 Battery Discharger & AnalyzerPowerful, Robust, Simple The BD250 is a powerful discharging device that allows the user to discharge a battery at up to 35 amps or 250 watts and also measures and compares the performance of batteries. BD250 allows for the precise measurement of battery capacity and takes the guesswork out of choosing the best battery for your application. The BD250 is much more than a simple battery discharger or a battery load tester. It will test virtually any

Powerful, Robust, Simple

The BD250 is a powerful discharging device that allows the user to discharge a battery at up to 35 amps or 250 watts and also measures and compares the performance of batteries. BD250 allows for the precise measurement of battery capacity and takes the guesswork out of choosing the best battery for your application.

The BD250 is much more than a simple battery discharger or a battery load tester. It will test virtually any type or size of battery, any chemistry or number of cells, up to 35 volts.

It is small with a high performance cooling system and uses MOS fets from the well-known brand IXYS, to make sure it can discharge at 250 watts continuously.

Big Breakthrough Fan System

A single, larger fan pushes air downward through an extruded aluminum heat sink. As air passes vertically through the heat sink, it absorbs heat and carries it out. This make BD250 discharge rate at 250 watts continuous possible.

Simple and Intuitive Operation

The Rotary Dial simplifies operation. The Digital LED Display provides clear, accurate information.

It can test virtually any type, size and chemistry battery.

The BD250 is a voltage oriented discharger, virtually any type of battery can be operated. Accepted voltage ranges from 5.40V to 35.00V. Examples:

  • 2S-8S LiPo, LiFe, LiHv
  • 6Cell-23Cell NiMH, NiCd
  • 6-32V Pb (Lead Acid)

Easy-to-Use PC Software for Data Analysis

PC software supplied with the BD250 is easy to use and intuitive. Please see SKYRC’s official website for the software download. There are two discharge modes: 1. Constant Power; 2. Constant Current. The software can automatically sense the battery cell count and recommends a minimum safe discharge voltage. Discharge tests may be viewed in Amp Hours, Watt Hours or Minutes. Results can be graphed as Voltage vs. Amp hours, Watt hours, Minutes.

Maximum Discharge Power Chart

NO. OF LIPO CELL MIN. CUT-OFF
VOLTAGE		 VOLTAGE MIN. DISCHARGE CURRENT (A) MAX. DISCHARGE CURRENT (A)
2s 6.0 8.40 29.76 35.00
3s 9.0 12.60 19.84 27.77
4s 12.0 16.80 14.88 20.83
5s 15.0 21.00 11.90 16.66
6s 18.0 25.20 9.92 13.88
7s 21.0 29.40 8.50 11.90
8s 24.0 33.60 7.44 10.41
NO. OF LIHV CELLS MIN. CUT-OFF
VOLTAGE		 VOLTAGE MIN. DISCHARGE CURRENT (A) MAX. DISCHARGE CURRENT (A)
2s 6.2 8.70 28.73 35.00
3s 9.3 13.05 19.15 26.88
4s 12.4 17.40 14.36 20.16
5s 15.5 21.75 11.49 16.12
6s 18.6 26.10 9.57 13.44
7s 21.7 30.45 8.21 11.52
8s 24.8 34.80 7.18 10.08
NO. OF NIMH/NICD CELLS MIN. CUT-OFF
VOLTAGE		 VOLTAGE MIN. DISCHARGE CURRENT (A) MAX. DISCHARGE CURRENT (A)
6s 5.4 9.00 27.77 35.00
7s 6.3 10.50 23.80 35.00
8s 7.2 12.00 20.83 34.72
9s 8.1 13.50 18.51 30.86
10s 9.0 15.00 16.66 27.77
11s 9.9 16.50 15.15 25.25
12s 10.8 18.00 13.88 23.14
13s 11.7 19.50 12.82 21.36
14s 12.6 21.00 11.90 19.84
15s 13.5 22.50 11.11 18.51
16s 14.4 24.00 10.41 17.36
17s 15.3 25.50 9.80 16.33
18s 16.2 27.00 9.25 15.43
19s 17.1 28.50 8.77 14.61
20s 18.0 30.00 8.33 13.88

 

Specifications:

Accepted Voltage Range: 5.40-35.00V
Low Voltage Alert: <5.2V
High Voltage Alert: >35V
Max. Discharge Power: 250W
Discharge Current Range: 0.01A-35.00A
Current Consumption in Sleep Mode: <100uA
Current Display Accuracy:
0.01-10.00A ±60mA
10.00-30.00A ±3%
Voltage Display Accuracy:
5.4-10V <80mV
10-20V <120mV
20-35V <160mV
Capacity Display Accuracy: ±3%
Weight: 879g
Dimension: 136 x 105 x 114 mm / 5.3 x 4.1 x 4.5 inches

Includes:

  • BD250 Discharger
  • XT60 Discharge Cable Adapter (install your own plug if your batteries do not use XT60 plugs)
  • Replacement Fuse
  • Manual
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 81525736718

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4.3 ★★★★★
Based on 18 reviews
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Verified Purchase
Paul Huang
Battle Creek, US
★★★★★ 5
Powerful, Efficient, and Great for Cleaning
This air duster is extremely powerful and does an excellent job cleaning dust from keyboards, electronics, and tight spaces. The high RPM really makes a difference, and it feels much more effective than canned air. It’s rechargeable, easy to use, and saves money in the long run. Very satisfied with the performance and build quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
W
Verified Purchase
WilliamB
Bozeman, US
★★★★★ 4
Great upgrade from canned air for keyboard and desk cleaning
I picked this up mainly to clean my keyboard and desk setup, and it's done a solid job replacing the canned air I used to constantly restock. No more running out mid-clean or dealing with the cold spray residue; just plug it in and go. The airflow is strong enough to blast crumbs and dust out from between keycaps with ease. I was impressed by how much junk it pulled out of my keyboard that I didn't even realize was in there. For desk gear like vents, cable ports, and monitor edges, it works really well, too. The 3-speed settings are handy. I stick to the lower settings for most keyboard work and only bump it up when something is really packed in. Build quality feels decent, and it charges via USB-C, which is convenient. The reason I'm giving it 4 stars instead of 5 is that it's a bit louder than I expected at higher speeds. Not a dealbreaker, but worth knowing going in. Overall, though, it's a smart buy if you're tired of buying canned air on repeat.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
J
Verified Purchase
Josh fuller
Lowell, US
★★★★★ 5
Great happy with my purchase had to buy another one too!
Unbelievable power from such a little unit, I originally bought this for my son's computer and stuff like that around the house.... but then I started using it and was like I need one for the car so I bought another that amazing multiple attachment the quality of this product is very heavy you can feel the quality not all plastic, battery life is amazing used it on high for like 20 minutes didn't even move down a bar for me great. Volume is loud on max but that's understandable but the lowest setting is very low blowing and great for little stuff you don't want to fling all over the place. Attachments are great for different stuff you may need to get all the air in one place instead of like a quarter size hole blowing air all over the place definitely great like I said I bought two of them awesome quality highly recommend these over any other brand out there get it on the sell for 35$ for me great price you won't find a better one at 35$ in my opinion.
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Reviewed in the United States on April 27, 2026
A
Verified Purchase
Alyssa
Lexington, US
★★★★★ 5
Powerful and Convenient Alternative to Canned Air
The WOLFBOX MegaFlow 50 Compressed Air Duster delivers strong airflow for cleaning electronics and small spaces. The 110000 RPM motor provides noticeable power, making it effective for blowing dust out of keyboards, PC cases, and other hard-to-reach areas. The 3-gear adjustable speeds are useful for different tasks, allowing lighter airflow for delicate items and stronger output for deeper cleaning. The compact design makes it easy to handle, and it’s lightweight enough for extended use without discomfort. The rechargeable battery with fast charging is convenient, removing the need for disposable canned air. It holds a charge well and is ready to use whenever needed. Build quality feels solid, and the overall design is simple and practical. Overall, this air duster is powerful, reusable, and versatile for cleaning computers, cars, and household items.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
A
Verified Purchase
Amazon Customer
Dallas, US
★★★★★ 5
Blows Me Away!
It was time to clean out my business computers. Besides the general dust accumulation, dust builds up on the cooling fins of the CPU which can cause all kinds of computing issues. In the past I've used canned compressed air, which works well, but is getting expensive and doesn't last long. I spotted this on Amazon and, after watching the videos, decided to give it a try. I'm very glad I did! The Wolfbox works just as well, if not better, than the canned air! In fact, it blew out some dust bunnies the canned air had missed! Canned air runs out quickly and loses power as the pressure decreases, leaving you with an empty can that needs to be recycled. The Wolfbox is rechargeable. After fully charging it I used it intermittently for about 15 minutes and it was still showing a full charge. This amount of use would translate into 2-3 cans of air. So many things today are slapped together with little thought given to their design. The Wolfbox, however, seems to be well thought out and designed. The Wolfbox includes several different nozzles to direct and concentrate the air stream. To turn it on, just press and hold the small orange button on the back of the handle. There is a 4 led charge indicator on the side of the handle that lights up. Then, simply aim the Wolfbox and pull the trigger. It's just that simple! If you finish the job and forget to turn it off, it will turn itself off after a couple of minutes to save the battery charge. This charge indicator also works during the charging process, flashing while charging and solid when fully charged. This was discounted to about $40, and that price helped me make the decision to try it. There apparently is a "New and Improved!" version now available at a higher price which promises more power. But this Wolfbox easily met my needs and exceeded my expectations. If you used cans of compressed air this will pay for itself in a reasonable amount of time and will not leave you with a bunch of empty cans to recycle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2026

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