Basengreen Avis 

No resolution to my issues with Basen Green

None of my issues have been resolved.

After the many emails to Alex Chen to mitigate the several issue with the four battery packs,
Pack unbalance where two packs use 40% more current in both the charge and discharge cycle, Alex Chen blames my wiring when in fact all cables are equal length to the charger and the resistance has been measured to be equal with a high resolution resistance instrument.
One cell in one pack tends to run away with its voltage raising above 3.65V having to reduce voltage and current to stop the run away effect.
The so called Pylontech compatibility is faulty in that the pack set to CAN mode that is supposed to collect the data from the other packs using the parallel RS485 does not, it only communicates that CAN data from the singular pack assigned as the CAN.

Alex Chan keeps blaming others be it my installation or that of the inverter manufacturer that is one of the largest on and off grid equipment maker (Selectronic).
When I presented information of the cell that runs away with a voltage delta of 105 mV the response was the only truth that has come out of her mouth.
This is what she said about their A grade cells -
" The size of the current is related to the internal resistance of the battery core and the wiring method when connected in parallel. I=U/R.When U remains unchanged, the smaller R is, the larger I is. This involves wires, MOS, and battery cells. It will be different. Our batteries are currently at the energy storage level, not at the industrial, commercial or automotive level, and can only be controlled at about 5% SOC. "

Aside the part of the answer that has nothing to do to the cell delta she mentions cell quality used, from this I take that are using nothing like A grade more likely rejects. when they spec the cell balance to be with is 5mV the 105mV obtained is way more that 5%

The BMS firmware is locked so there is no manner to solve the CAN bus multi pack communication issue aside replacing the BMS in each unit.

So if intending to use Basen Green you are taking the chance of been lumbered with so many issues that the company will not resolve aside the lip service that tries to assure you and ignoring the problems.
The company is dishonest from the point of sale to the delivery method, I could not find out who the shipper was, at the time this created a lot of concern as to the whereabouts of the batteries, to having to travel 1000KM to collect what I had paid for, delivery to my address, to having been supplied cables that had been wired incorrectly to having been given user manual that related to a different battery hence the settings differed creating huge confusion with the poor answers provided.
This company is not professional or ethical, once they have your money you are alone.

Would I recommend this company?
The price is cheap- Yes
They seem to be friendly - Yes
They are willing to fix problems - NO
Answer direct question - NO
Purchase from Basen Green - NO NO NO, once bitten twice shy, only do so if you are demented.

25/2/2024
I get a message more than a year later that they will contact me...no contact as mentioned in their response, more smoke and mirrors from this crowd, dishonest company. Keep away from.

The Basen promise to contact me regarding the issues did not happen. even after the publicly said they would below this review.

Bought a 230ah 12v battery, shipped fast and seemed fine upon delivery, but BMS randomly disconnects for short periods. This happens regardless of battery state of charge, charging or discharging rate, or temperature. Product is useless. Tech support unable to help, no response for almost 2 weeks then started asking questions trying to blame my installation for the issue. I tested with just a digital clock connected, battery cannot power even a simple low power device reliably. Avoid this product and avoid this company.

Schnelle Lieferung, wie versprochen, danke.

Thanks very much.
The delivery worked very well. I chatted once about the delivery because the delivery was sent in 2 shipments.
Gerhard W.

Great product, great price and fast delivery.

Thank you very much

I have had 2 purchases into Australia and both have been without issue and quick given they are shipped by sea.

Ordered on 25/6, but after a couple of days the track and trace code still says "unknown number". Contacted the helpdesk on 29/6 who said they would reply via email. Today is 2/7 and no reply from the helpdesk, but an invitation in Chinese to submit a review.

I hope the battery is of better quality than the service sofar.

scappate via sono cinesi che vendono munnezza che non dura Poi daria è una delle peggiori venditrici non risponde nemmeno alle richieste via email se ti arrivano batterie gonfie dice che è normale e non ve le vogliono cambiare . Non esiste nessuna assistenza post vendita Nessuna non pensate che vi seguono o che vi cambiano qualche cosa sono i peggiori truffatori esistenti cinesi

Tengo un pedido echo por mandarme mal la cuenta para la transferencia llevo dos meses esperando el reintegro para poder comprar su batería y menuda BOÑIGA de gestión de cara al público pequeño cliente.

Wie schon bei meiner ersten Bestellung wurden die Akkus schnell geliefert (aus dem EU-Lager) und waren sehr gut verpackt. Die Akkus waren sogar nochmal deutlich günstiger, als bei der ersten Bestellung. Ich bin sehr zufrieden und werde für mein nächstes Projekt wieder dort bestellen.

Super, fast shipping, Bluetooth works very well, unbeatable at the price

Batterien sollten in 60 Tagen ankommen. Nach 74 Tagen immer noch keine Batterien, keine Information und keinen Hinweis auf Verspätung der Lieferung.
Zwei Batterien wurden bestellt. Nach ca. 75 Tagen kamen die Batterien gut verpackt an aber:
- Die erste Batterie war leicht aufgequollen
- Die zweite Batterie wechselte den SOC von 0 auf 100 Prozent im Sekundentakt.

Kundendienst reagiert schnell, liefert aber keinen Mehrwert! Bei der ersten Batterie schrieb man mir, dass ich mir keine Sorgen machen brauche, da lediglich nur die Dämmung gewaltsam ins Gehäuse gestopft worden sei und die Beule daher kommt. Und jetzt kommt der Hammer! Man hat mir empfohlen die Batterie zu öffnen, um festzustellen ob es wirklich so sei. Wir reden hier über eine voll versiegelte Batterie (verklebt). Ihr könnte gerne YouTube Videos ansehen wie sowas aussieht.

Bei der zweiten Batterie hat man mir Ersatz versprochen. Auf Anfragen zum Status bzw. Liefertermin kommt keine Antwort mehr.

Resultat:
Nach knapp drei Monaten habe ich Angst die eine Batterie zu betreiben da ich nicht weiß, ob die Zelle sich aufgebläht hat oder es wirklich nur die Dämmung ist.
Die zweite Batterie ist absolut nutzlos und steht nur rum.