Im2Busy2Bother:
Buyer’s Nationality:

China
Seller:

Must Power Limited

Seller Website:

www.mustups.com

Seller Address:
Bldg.D, Huachangda Industrial area, Hangcheng Road, Xixiang
Town,Baoan District., Shenzhen, Guangdong, NO.467, National
Highway 107, China
Initial contact with the supplier:
Online Supplier Directory
Type of product(s) being purchased:
Inverter/Charger, Solar inverter
Value of the Purchase Order when the incident occurred:
6,001 to 12,000 USD
Destination market of order in question:
Nigeria

Type of Complaint(s):

lack of labor, scams & other unethical activities
Stage of relationship with the supplier at the time of the
incident:

Order #3-5

User Experience:

After buying some limited sample inverters from this seller in
2013, we decided to start full commercial orders in 2014.
We ordered 2 different products with total cost of about USD
10,000.
In the process of selling the first batch or the commercial order
we started receiving complaints of malfunctions and faults from
customers. We even found a unit of one of the 2 products did
not work at all right at the time of installation despite having no
sign of physical damage or ingress of any liquid or fluid.
Soon, we realized we were faced with a high failure rate of 10%
which reached a peak of about 15% by the time all the units had
been sold for each of the 2 products.
We complained to Tina Yuan who was our sales contact using
email (musta@mustups.com) and by phone (+86 13420968535,
+86 189 4872 0962) and by whatsapp at different times but
despite her promises nothing was done to address the problem.
Several emails were sent to Tina and to the sales team mailing
list and most of the emails were not replied.
At a point Tina admitted they have received similar complaints
from other resellers about the failures of the control board in one
of the products which usually resulted in this particular product
not accepting mains/utility power for battery charging or bypass
operation. She indicated she will arrange for replacement boards
to be shipped to us but failed to do so.
The last complaint was made to Tina during the last 2015
Intersolar event and she asked me to send complaint again by
whatsapp which I followed up with an email but she did not
reply to any of these.
I informed her I will use all means to report to relevant agencies
or authorities about this dumping of poor quality products
without necessary support by MUST and the effect this will have
on their brand image but still there was no response.
Every attempt to contact the senior or executive management of
Must Power was also not successful which seems to be
deliberate to shield the company from taking responsibilities.

User Recommendations:

I learned that you must not be deceived by Chinese companies
that pose as manufacturers but lack real technical support for
their products. They may have good website and even showcase
products at global industry events.
I learned that Must Power does not seem to have any strong
technical team as we were never handed over to a technical
team to resolve the problems.
I advise other buyers to beware of this seller as they do not
support their products. They are interested only in selling and
collecting payments.
This seller appears to be trading company that does some basic
assembly of generic components with little value addition other
than packaging.
If you must deal with this company make sure you have a strong
legally binding contract to protect you from potenutial losses due
to product failures. Ensure you secure a 3 years warranty for the
products at the minimum.
Ensure you have information and necessary contacts of their E-
level personnel.


Source: www.supplierblacklist.com/2015/06/23/must-power-limited/

JUO:
mercury brother, all they do is to sell no after sales

Im2Busy2Bother:
Buyer’s Nationality:

China
Seller:

Must Power Limited

Seller Website:

www.mustups.com

Seller Address:
Bldg.D, Huachangda Industrial area, Hangcheng Road, Xixiang
Town,Baoan District., Shenzhen, Guangdong, NO.467, National
Highway 107, China
Initial contact with the supplier:
Online Supplier Directory
Type of product(s) being purchased:
Inverter/Charger, Solar inverter
Value of the Purchase Order when the incident occurred:
6,001 to 12,000 USD
Destination market of order in question:
Nigeria

Type of Complaint(s):

lack of labor, scams & other unethical activities
Stage of relationship with the supplier at the time of the
incident:

Order #3-5

User Experience:

After buying some limited sample inverters from this seller in
2013, we decided to start full commercial orders in 2014.
We ordered 2 different products with total cost of about USD
10,000.
In the process of selling the first batch or the commercial order
we started receiving complaints of malfunctions and faults from
customers. We even found a unit of one of the 2 products did
not work at all right at the time of installation despite having no
sign of physical damage or ingress of any liquid or fluid.
Soon, we realized we were faced with a high failure rate of 10%
which reached a peak of about 15% by the time all the units had
been sold for each of the 2 products.
We complained to Tina Yuan who was our sales contact using
email (musta@mustups.com) and by phone (+86 13420968535,
+86 189 4872 0962) and by whatsapp at different times but
despite her promises nothing was done to address the problem.
Several emails were sent to Tina and to the sales team mailing
list and most of the emails were not replied.
At a point Tina admitted they have received similar complaints
from other resellers about the failures of the control board in one
of the products which usually resulted in this particular product
not accepting mains/utility power for battery charging or bypass
operation. She indicated she will arrange for replacement boards
to be shipped to us but failed to do so.
The last complaint was made to Tina during the last 2015
Intersolar event and she asked me to send complaint again by
whatsapp which I followed up with an email but she did not
reply to any of these.
I informed her I will use all means to report to relevant agencies
or authorities about this dumping of poor quality products
without necessary support by MUST and the effect this will have
on their brand image but still there was no response.
Every attempt to contact the senior or executive management of
Must Power was also not successful which seems to be
deliberate to shield the company from taking responsibilities.

User Recommendations:

I learned that you must not be deceived by Chinese companies
that pose as manufacturers but lack real technical support for
their products. They may have good website and even showcase
products at global industry events.
I learned that Must Power does not seem to have any strong
technical team as we were never handed over to a technical
team to resolve the problems.
I advise other buyers to beware of this seller as they do not
support their products. They are interested only in selling and
collecting payments.
This seller appears to be trading company that does some basic
assembly of generic components with little value addition other
than packaging.
If you must deal with this company make sure you have a strong
legally binding contract to protect you from potenutial losses due
to product failures. Ensure you secure a 3 years warranty for the
products at the minimum.
Ensure you have information and necessary contacts of their E-
level personnel.


Source: www.supplierblacklist.com/2015/06/23/must-power-limited/

JUO:
mercury brother, all they do is to sell no after sales

chris81964:


I had a bad experience with them as well. Another major reseller in Lagos has a more than 15% return rate on the MUST product in Nigeria. I purchased 5 charge controllers from them and they all failed within a month. They asked for and I sent a picture of the screen showing the error code. They stopped responding to my email.
I have stopped buying these mass produced disposable inverters and controllers.

Im2Busy2Bother:


So Mercury inverters are also like this? So which inverter will you recommend that won't break the bank ( my cousin's bank dey fragile oooooo ) . He is looking at a 12v and 24v DC inverter. Between 2kw to 4kw capacity. He wants the 12v to handle 6nos of fairly used 2V 500AH batteries

Im2Busy2Bother:


So Mercury inverters are also like this? So which inverter will you recommend that won't break the bank ( my cousin's bank dey fragile oooooo ) . He is looking at a 12v and 24v DC inverter. Between 2kw to 4kw capacity. He wants the 12v to handle 6nos of fairly used 2V 500AH batteries

richmon74:


There are no short cuts to this thing. It is either you pay small small many times or you close your eyes and buy something reasonable at ones. the price difference may not be too much.

Ill recommend PRAG series for your cousin. Outside the fact that they are improved quality of the others, they also offer support should you by any chance spoil your device. They have;
- 1kVA 12V
- 1.2kVA 12V
- 2kVA 24V
- 2.5kVA 24V
- 4kVA 24V

For your info their power factor is 1.25 so to get the Real power (watts) from the above apparent power, just divide it by the power factor.

Check any of the model that best fits your need and if you are interested I'll give you discount on their retail prices online.

JUO:
check this out if you are ok with it contact me for more details

Im2Busy2Bother:

So Mercury inverters are also like this? So which inverter will you recommend that won't break the bank ( my cousin's bank dey fragile oooooo ) . He is looking at a 12v and 24v DC inverter. Between 2kw to 4kw capacity. He wants the 12v to handle 6nos of fairly used 2V 500AH batteries

earthrealm:
prag all the way!!!...4kw 24v prag is abt 140k, more functions than luminous inverter.
you cud try luminous is ur pepper small.............but since ur batt is 2v 500amphr...u need beta inverter that can crank out 50amps to 70amps.
no 12v inverter is capable of that except mayve the american made inverters...ur best bet is going up to 24v................thats the wahala with the 2v batts.....they r not for thin wallets

Im2Busy2Bother:
Buyer’s Nationality:

China
Seller:

Must Power Limited

Seller Website:

www.mustups.com

Seller Address:
Bldg.D, Huachangda Industrial area, Hangcheng Road, Xixiang
Town,Baoan District., Shenzhen, Guangdong, NO.467, National
Highway 107, China
Initial contact with the supplier:
Online Supplier Directory
Type of product(s) being purchased:
Inverter/Charger, Solar inverter
Value of the Purchase Order when the incident occurred:
6,001 to 12,000 USD
Destination market of order in question:
Nigeria

Type of Complaint(s):

lack of labor, scams & other unethical activities
Stage of relationship with the supplier at the time of the
incident:

Order #3-5

User Experience:

After buying some limited sample inverters from this seller in
2013, we decided to start full commercial orders in 2014.
We ordered 2 different products with total cost of about USD
10,000.
In the process of selling the first batch or the commercial order
we started receiving complaints of malfunctions and faults from
customers. We even found a unit of one of the 2 products did
not work at all right at the time of installation despite having no
sign of physical damage or ingress of any liquid or fluid.
Soon, we realized we were faced with a high failure rate of 10%
which reached a peak of about 15% by the time all the units had
been sold for each of the 2 products.
We complained to Tina Yuan who was our sales contact using
email (musta@mustups.com) and by phone (+86 13420968535,
+86 189 4872 0962) and by whatsapp at different times but
despite her promises nothing was done to address the problem.
Several emails were sent to Tina and to the sales team mailing
list and most of the emails were not replied.
At a point Tina admitted they have received similar complaints
from other resellers about the failures of the control board in one
of the products which usually resulted in this particular product
not accepting mains/utility power for battery charging or bypass
operation. She indicated she will arrange for replacement boards
to be shipped to us but failed to do so.
The last complaint was made to Tina during the last 2015
Intersolar event and she asked me to send complaint again by
whatsapp which I followed up with an email but she did not
reply to any of these.
I informed her I will use all means to report to relevant agencies
or authorities about this dumping of poor quality products
without necessary support by MUST and the effect this will have
on their brand image but still there was no response.
Every attempt to contact the senior or executive management of
Must Power was also not successful which seems to be
deliberate to shield the company from taking responsibilities.

User Recommendations:

I learned that you must not be deceived by Chinese companies
that pose as manufacturers but lack real technical support for
their products. They may have good website and even showcase
products at global industry events.
I learned that Must Power does not seem to have any strong
technical team as we were never handed over to a technical
team to resolve the problems.
I advise other buyers to beware of this seller as they do not
support their products. They are interested only in selling and
collecting payments.
This seller appears to be trading company that does some basic
assembly of generic components with little value addition other
than packaging.
If you must deal with this company make sure you have a strong
legally binding contract to protect you from potenutial losses due
to product failures. Ensure you secure a 3 years warranty for the
products at the minimum.
Ensure you have information and necessary contacts of their E-
level personnel.


Source: www.supplierblacklist.com/2015/06/23/must-power-limited/

richmon74:
I want to introduce some devices as I promised to be doing long ago.

No. 1 on the list is

MAGNUM PT-100 SOLAR CHARGE CONTROLLER

It is a 100A 200V cc.

I've been testing this device for quite a while now and i can tell you categorically now that it is a good value for your money

If you are hopping to do a large array and the cost of cc have been holding you back, here is the solution.
This device is able to handle up to 6600W solar panels. It is the first 100A MPPT Charge Controller in the market and the price is not what you need to break the banks.

Another beautiful feature is the fact that it can handle up to 187V PV input voltage making it comfortable for you to run larger strings of solar panels in series (up to 4 24v panels) and thereby further reducing the size of cable and thereby cost of cable.

It comes with in built GFDI: Integrated PV Ground-Fault Detection and Interruption/Indication.

It provides higher than 99% charging efficiency and uses less than 2watts of power in night time mode (though i know that Schneider XW 80 600 uses 1watt)

For more details on this device you can visit magnum website or google for the datasheet.

To order for this device use our contacts on our Facebook page 'PBASE Solar'

richmon74:


There are no short cuts to this thing. It is either you pay small small many times or you close your eyes and buy something reasonable at ones. the price difference may not be too much.

Ill recommend PRAG series for your cousin. Outside the fact that they are improved quality of the others, they also offer support should you by any chance spoil your device. They have;
- 1kVA 12V
- 1.2kVA 12V
- 2kVA 24V
- 2.5kVA 24V
- 4kVA 24V

For your info their power factor is 1.25 so to get the Real power (watts) from the above apparent power, just divide it by the power factor.

Check any of the model that best fits your need and if you are interested I'll give you discount on their retail prices online.

Im2Busy2Bother:
My cousin wants to buy this must power inverter so I'm wondering if anyone has had a bad experience with the inverter or is the whole seller above simply unlucky?


Thanks oooo

Saipro:


Agreed. Another way is to get a small working setup with base features you want (the right inverter and the right charge controller, all the while having cables sized for the intended future load). Gradually add PV panels and batteries to you arrive at your destination. Gleaned the idea from a few fora online and it's worked perfectly for me.

Buying cheap can be costly and ruin a lot of other equipment in tandem, returning you to square one. Was in Asaba earlier this week and some dude paid dearly for going cheap - two rooms burnt and he was lucky not to ose the whole house to fire. Pay peanuts, get monkeys.

adrusa:


I had horrible experience with two 3KW models. I sold them off as scraps. I wont touch Must power again.

Saipro:
I 100% concur with your submission. The problem is, when you're telling a learner/novice/starter to buy cheap without mentioning the specifics, such an individual often gets swindled into buying the substandard items (at times at the same price {heck I once bought substandard at an even higher price}) hence the recommendation, either buy the expensive ones or go with recommendations.

earthrealm:
prag all the way!!!...4kw 24v prag is abt 140k, more functions than luminous inverter.
you cud try luminous is ur pepper small.............but since ur batt is 2v 500amphr...u need beta inverter that can crank out 50amps to 70amps.
no 12v inverter is capable of that except mayve the american made inverters...ur best bet is going up to 24v................thats the wahala with the 2v batts.....they r not for thin wallets

chris81964:


I have 12V Inverters that crank out 60 amps and they are not American

earthrealm:


SRY, I MUST HV BEEN mis interpreted, i didnt say such inverters dont exist, i meant they arent common...or dont come cheap.
most newbies are discouraged from entering the inverter/solar world cos of cost, by throwing the high end inverters in thier faces...we tend to discourage n chase them away.
i believe newbies could start with low end but ok systems and them upgrade as thier knowledge increases........
i started with a locally built stabilizer cum inverter....later upgraded to the qoaxing inverter, that i bought 13k....before i moved to luminous/prag etc...low end inverters but still ok for my pockets n needs ...
the solar/inverter system i setup at the village cost about 400k, {even at that most of the people in the village scamper away after showing interest when i mention the amount], and its 22 months old.......12v x 2 x 200ah luminous batts, 1.5kva luminous inverter, and morningstar 45amp cc...........coincidentally it was the mS cc THAT KICKED THE BUCKET last month.....
overall, the system is simple, but efficient, and my folks in the village are the envy of all....enjoying 24/7 power supply, @least my aged mum is able to chill her soups n food items in the fridge, charge thier phones, tv, fans etc........n i didnt hv to break the bank for it.
some other richer folks r in my village, but they run noisy fuel guzzling regular mainataince required generators...

chris81964:


I have 12V Inverters that crank out 60 amps and they are not American

jerrygome:



Which make be that sir?

badaru1:
Good day guys, I have this Auxano 2kva 24v inverter, recently it stopped working and it's showing this message on the led screen. What could be the solution?

badaru1:
Good day guys, I have this Auxano 2kva 24v inverter, recently it stopped working and it's showing this message on the led screen. What could be the solution?