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Old Jan 22, 2019, 12:32 PM
coffeemate (Mikey68)
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Jan 22, 2019, 09:51 PM
Registered User
Received mine today. I've only used it for regenerative discharging a few packs back into a lead acid today, which it had no issue with and I also used it as a DC power supply.
I'll try charging with it tomorrow. Also had no issue updating.
The IR values do seem a bit on the high side but I'm willing to give them a little time to get everything sorted out.
Jan 23, 2019, 06:28 AM
Donīt grow up, itīs a trap
aMax's Avatar
Quote:
Originally Posted by coreire
Received mine today. I've only used it for regenerative discharging a few packs back into a lead acid today, which it had no issue with and I also used it as a DC power supply.
I'll try charging with it tomorrow. Also had no issue updating.
The IR values do seem a bit on the high side but I'm willing to give them a little time to get everything sorted out.
More precise please, Which USB port did you use?
I am trying to figure out if this issue was only existent with the early batch up to fw_version 1.15.
Jan 23, 2019, 08:00 AM
Registered User
I received 2 of them earlier this month. One had a rotary knob that only worked in one direction. Its being replaced. Both updated from my laptop without a hitch. They charged my large 6S 5000 and 6000mah lipos at about 10amps. Lots of functionality and options - I like them. I know that it was a risk buying new and unproven product. I hope they keep on improving their firmware and reliability.
Jan 23, 2019, 12:54 PM
Registered User
Quote:
Originally Posted by aMax
More precise please, Which USB port did you use?
I am trying to figure out if this issue was only existent with the early batch up to fw_version 1.15.
Port was a USB 3.0 on a Macbook. Mine came with 1.15 on it.
Jan 23, 2019, 02:17 PM
Registered User
FYI upgrading under linux (archlinux and usb3.1 ports on xps15 9570) doesn't work - it does detect it as a storage device but upon mounting it I get errors as shown below.

I used the windows 10 notebook of my wife for upgrading and that appears to have worked.

dmesg dump in case its useful

Quote:
[111096.469378] usb 1-1: new full-speed USB device number 33 using xhci_hcd
[111096.610781] usb 1-1: New USB device found, idVendor=0483, idProduct=5820, bcdDevice= 2.00
[111096.610783] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[111096.610784] usb 1-1: Product: STM32 Mass Storage
[111096.610785] usb 1-1: Manufacturer: STMicroelectronics
[111096.610785] usb 1-1: SerialNumber: 6D824F7E4950
[111096.612655] usb-storage 1-1:1.0: USB Mass Storage device detected
[111096.613011] scsi host3: usb-storage 1-1:1.0
[111097.636683] scsi 3:0:0:0: Direct-Access STM SD Flash Disk 1.0 PQ: 0 ANSI: 2
[111097.637379] sd 3:0:0:0: [sda] 139 1024-byte logical blocks: (142 kB/139 KiB)
[111097.637517] sd 3:0:0:0: [sda] Write Protect is off
[111097.637518] sd 3:0:0:0: [sda] Mode Sense: 03 00 00 00
[111097.637713] sd 3:0:0:0: [sda] No Caching mode page found
[111097.637717] sd 3:0:0:0: [sda] Assuming drive cache: write through
[111097.644967] sda:
[111097.646297] sd 3:0:0:0: [sda] Attached SCSI removable disk
[111127.856289] usb 1-1: reset full-speed USB device number 33 using xhci_hcd
[111127.979297] usb 1-1: device descriptor read/64, error -71
[111128.209344] usb 1-1: device descriptor read/64, error -71
[111128.439249] usb 1-1: reset full-speed USB device number 33 using xhci_hcd
[111128.562614] usb 1-1: device descriptor read/64, error -71
[111128.792594] usb 1-1: device descriptor read/64, error -71
[111129.022675] usb 1-1: reset full-speed USB device number 33 using xhci_hcd
[111129.022799] usb 1-1: Device not responding to setup address.
[111129.232698] usb 1-1: Device not responding to setup address.
[111129.439220] usb 1-1: device not accepting address 33, error -71
[111129.562560] usb 1-1: reset full-speed USB device number 33 using xhci_hcd
[111129.562705] usb 1-1: Device not responding to setup address.
[111129.769484] usb 1-1: Device not responding to setup address.
[111129.975928] usb 1-1: device not accepting address 33, error -71
[111129.976019] sd 3:0:0:0: [sda] tag#0 FAILED Result: hostbyte=DID_TIME_OUT driverbyte=DRIVER_OK
[111129.976022] sd 3:0:0:0: [sda] tag#0 CDB: Read(10) 28 00 00 00 00 80 00 00 03 00
[111129.976023] print_req_error: I/O error, dev sda, sector 256
[111129.976028] usb 1-1: USB disconnect, device number 33
[111129.989322] print_req_error: I/O error, dev sda, sector 256
[111129.989326] Buffer I/O error on dev sda, logical block 128, async page read
[111129.989327] Buffer I/O error on dev sda, logical block 129, async page read
[111129.989329] Buffer I/O error on dev sda, logical block 130, async page read
[111129.989330] Buffer I/O error on dev sda, logical block 131, async page read
[111130.259258] usb 1-1: new full-speed USB device number 34 using xhci_hcd
[111130.382684] usb 1-1: device descriptor read/64, error -71
[111130.612682] usb 1-1: device descriptor read/64, error -71
[111130.845965] usb 1-1: new full-speed USB device number 35 using xhci_hcd
Feb 03, 2019, 06:04 PM
Registered User
LLoo's Avatar
For those having problems reaching the ToolkitRC site, this site seems to be a mirror. It's not entirely reliable either, however it's an alternative to try. I successfully downloaded the latest version of the manual and firmware from here:

https://www.swvv.com/m8
Feb 06, 2019, 02:30 AM
Registered User
The specs for this say a maximum input of 16A (on their site).
Any particular reason why this can't be more? Is there not a limiter on the input?
Feb 06, 2019, 02:56 AM
ancora imparo
jj604's Avatar
The specs actually say 20A max so there may be some confusion on their web site.

It's a 300Watt total power limited charger.

All the 20A means is that it won't ever pull more than 20A on the input side.

Provided your supply is at least 15V (and less than 30V) it will deliver the full 300Watts - less a bit for inefficiency.

If you supply only 10Volts you will only get 200 Watts out of it. If you supply 12v then 240 Watts.
Feb 06, 2019, 08:36 AM
Registered User
http://hobbycool.com/hobbymate-300w-...-servo-tester/

Same thing different case?

Wondering as you can currently get this for $36 shipped,
and I have had good luck with hobbymate items...
but not sure if $4 is worth the chance it's a clone with different firmware.
Feb 06, 2019, 10:14 AM
Registered User
Quote:
Originally Posted by heyphred
http://hobbycool.com/hobbymate-300w-...-servo-tester/

Same thing different case?

Wondering as you can currently get this for $36 shipped,
and I have had good luck with hobbymate items...
but not sure if $4 is worth the chance it's a clone with different firmware.
There is nothing such a "clone" hobbymate mainly gets its charger by oems. That means its just printing its logo on charger and change name in firmware. A good example from its last really good charger d6 duo pro. The oem was hota. http://www.hota-exp.com/index.php/pro_v_1_8.html
aka go for it!
Feb 06, 2019, 12:32 PM
Registered User
Quote:
Originally Posted by jj604
The specs actually say 20A max so there may be some confusion on their web site.

It's a 300Watt total power limited charger.

All the 20A means is that it won't ever pull more than 20A on the input side.

Provided your supply is at least 15V (and less than 30V) it will deliver the full 300Watts - less a bit for inefficiency.

If you supply only 10Volts you will only get 200 Watts out of it. If you supply 12v then 240 Watts.
Excellent. Thanks.
Feb 08, 2019, 03:59 PM
Registered User
Randomly "Battery cell error" message! I update firmware to 1.18...same problem with a brand new and old LiPo's.
I'm very sad!
Feb 08, 2019, 04:29 PM
Registered User
I was going to pick one of these chargers up but I gotta say, I think I'll wait! Thank ya'll for putting in all this time to try and figure out what's going on with your chargers and letting us know.
Feb 09, 2019, 09:48 AM
Registered User
First time posting here, just wanted to add my experience thus far with this charger. I too have gotten the "battery cell error" message but have also seen "overcurrent!" As well as "input to low!" Errors while charging. Im talking with the vendor I bought it from regarding these issues. Im using a 24v 400w psu to run it that was checked w/ a multimeter that did read 24v. Has anyone else noticed the "F" amp limiting flag show up constantly? Their manual says that means the full pack voltage or single "chip" voltage is full but Im seeing it show up usually when each cell gets to anywhere between 4.0 - 4.1v on a 4s 1300 set to charge to 4.2v/cell at 1.3amps. Went to do a manual voltage calibration in the charger but everything looked to be pretty accurate already so I didn't change any values in there.


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