Spektrum Micro 4-Port AC/DC 1S LiPo Charger SPMXC1040

Spektrum Micro 4-Port AC/DC 1S LiPo Charger SPMXC1040
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This is a Spektrum Micro 4-Port AC/DC 1S LiPo Charger. The Spektrum Micro 4 charger is a 4-port tool for the RC pilot who wants the ultimate in 1S LiPo battery charging. Featuring Spektrum Smart Charging technology, its digital LED status screen delivers vital battery information in a clear manner the instant you connect. Its compact all-in-one design incredibly offers four independent charging channels, each with enough built-in connectors so that charging multiple 1S batteries with the highest level of precision is easy.

Each of the four charging channels is built-in with independent circuitry to enhance charge precision and efficiency. Vivid LED status lighting includes individual 4-digit displays and multi-color LEDs so you can instantly see the charge phase and battery condition. The simple press-dial interface allows you to finely tune the charge rates from 0.05 to 1.2A making it possible to fast-charge most high rated batteries. Exclusive software detects LiPo and LiHV 1S batteries automatically and combines with Spektrum Smart Charging technology so your batteries get maximum protection against short circuit, over current, reverse polarity and input voltage errors.

The Micro 4 AC/DC system works when connected to a standard wall outlet or you can even take the Micro 4 charger on the go. Because it will accept power input sources as low as 5V, any standard USB power source can be used such as a laptop or similar. Unlike charging multiple 1S batteries in parallel, each battery is individually recognized. As a result, you can charge individual 1S batteries with the precision of much more expensive charge units and possibly extend the life of all of your 1S batteries.


  • Smart charging features include protection against a short circuit, over current and more
  • Simple, one-touch command dial interface makes operation easy
  • Four independent ports for the ultimate in charge precision
  • Individual LED displays show battery current, capacity and voltage
  • Versatile design includes four connector types built into each charge port
  • Independent charging circuits for improved speed and efficiency
  • Charge flexibility with adjustable charge currents from 0.05 to 1.2A
  • Integrated cooling system promotes unit reliability
  • Visual and audio charge status indicator system
  • AC/DC, plus USB power input options


Ampere Meter: Yes - on main LCD display
Battery Type: 1S LiPo
Display: 4-digit LED
Height: 2.0 in (51 mm)
Input Voltage: 100-240 Volts AC; 11-15 Volts DC
Length: 5.2 in (132 mm)
Maximum Charge Rate: 1.0 A
Output Connector: Molex / JST / UM / PH
Selectable Charge Rate: Yes - Incremental (0.1A Increments)
Voltage Meter: Yes - on main LCD display
Weight: 10 oz (283 g)
Width: 3.9 in (99 mm)

This product was added to our catalog on December 27, 2018

Verified Owner
Monday, Apr 26 2021 (3 months ago)
Spektrum RC S44 AC/DC 1S LiPo Smart Charger
Do not buy this charger unless you know all about batteries and charge rates and how to set things up because, if you don’t already know any of that, the instructions won’t tell you how to do it. Also there are 0 videos of how to use this charger on YouTube, which is remarkable and possibly indicates to me that there are no reviews because no one buys this charger. But this is the charger that the AMain sales rep pushed.

One quick example. The instructions say to make sure you check the polarity of your battery before you insert it into the charger. Okay, how? It doesn’t say.

Another example. The manual says you need to set the proper charge rate for your battery. Okay, fine. The only problem is that it gives no indication of how to do that.

Since the manual was useless, and since no one has put up a YouTube video for this product, I decided to watching a video for a Hi-Tech charger and I tried to did the same things with this charger. I managed to get a charge light to come on but then after five minutes I get a message on the display that says 33. Needless to say, the manual has no information about what that 33 means.

Do not buy this charger. Frankly I have the feeling that AMain has a surplus of these awful things that they can’t sell and that is why the sales rep told me to buy it. But who knows?