Battery go Kabooom

Adokforme
Posts: 621
Joined: Sun Sep 19, 2021 10:09 pm

Re: Battery go Kabooom

#11

Post by Adokforme »

On the matter of batteries and eruptions then it is a bit scary given the values some of us have on our premises. But they don't even have to be on that scale to be catastrophic as an acquaintance of ours found to his cost recently. He had "fallen" out of his bedroom window with 60% burns on the majority of his body and passed away six days later following several operations in hospital. He had made a call on his recently purchased i15 mobile phone at 8.10 pm, a 999 call to emergency services was made at 8.20pm. Police have said the phone was the cause and investigations are ongoing. According to social media there are several reports of this particular model becoming hot with even a software update issued by the manufacturer to mitigate the effects.
If such an occurance can be triggered by a "button" battery then heaven knows what could happen when scaled up to battery storage values. Reassuringly I believe LiFePo versions are less hazardous than the earlier LiOn version.
Tay
Posts: 290
Joined: Tue May 30, 2023 1:31 am

Re: Battery go Kabooom

#12

Post by Tay »

As a slight aside to this, has anybody updated their home insurance to reflect the PV investment they have made?

I'd not considered it until now in any great detail, the chap I spoke to today talked about their training and MCS approvals etc, but for my current system AC300/Battery solution that falls outside of the normal price on the insurance for a single specified item.

A full PV setup is going to run to £5-30k depending on who/what/where setup the system or a self install etc, I'm curious as to how UK insurance companies would view thais type of 'explosion' given how tight they are.
PV 1.1kWh
Victron Multiplus 8K II 48v/100A + Victron 150/35 & 250/60 charge controller + lynx 1000
CerboGX, 25kW Pylontech batteries
Octopus Agile - Cheaper Battery Charging
Another 2.3kWh on the horizon - ground mount + 4x575's
Adokforme
Posts: 621
Joined: Sun Sep 19, 2021 10:09 pm

Re: Battery go Kabooom

#13

Post by Adokforme »

Tay wrote: Tue Oct 31, 2023 4:28 pm As a slight aside to this, has anybody updated their home insurance to reflect the PV investment they have made?

I'd not considered it until now in any great detail, the chap I spoke to today talked about their training and MCS approvals etc, but for my current system AC300/Battery solution that falls outside of the normal price on the insurance for a single specified item.

A full PV setup is going to run to £5-30k depending on who/what/where setup the system or a self install etc, I'm curious as to how UK insurance companies would view thais type of 'explosion' given how tight they are.
When I spoke to the LV Insurance Team at Fully charged last year ref PV, battery storage and EV Charging they assured me it was all covered under our policy. The one exception being if I accepted payment for EV charging as this would be considered a business case which they do not cover!
John_S
Posts: 377
Joined: Wed Jun 02, 2021 10:03 am
Location: West London

Re: Battery go Kabooom

#14

Post by John_S »

No mention of a battery management system.

The system owner is an electronics technician specializing in energy and building services, with 20 years of professional experience.

I hope that he installed it properly, with suitable fuses etc as well as a good BMS.
Tay
Posts: 290
Joined: Tue May 30, 2023 1:31 am

Re: Battery go Kabooom

#15

Post by Tay »

Adokforme wrote: Tue Oct 31, 2023 5:28 pm
Tay wrote: Tue Oct 31, 2023 4:28 pm As a slight aside to this, has anybody updated their home insurance to reflect the PV investment they have made?

I'd not considered it until now in any great detail, the chap I spoke to today talked about their training and MCS approvals etc, but for my current system AC300/Battery solution that falls outside of the normal price on the insurance for a single specified item.

A full PV setup is going to run to £5-30k depending on who/what/where setup the system or a self install etc, I'm curious as to how UK insurance companies would view thais type of 'explosion' given how tight they are.
When I spoke to the LV Insurance Team at Fully charged last year ref PV, battery storage and EV Charging they assured me it was all covered under our policy. The one exception being if I accepted payment for EV charging as this would be considered a business case which they do not cover!

Nice, thanks
PV 1.1kWh
Victron Multiplus 8K II 48v/100A + Victron 150/35 & 250/60 charge controller + lynx 1000
CerboGX, 25kW Pylontech batteries
Octopus Agile - Cheaper Battery Charging
Another 2.3kWh on the horizon - ground mount + 4x575's
User avatar
nowty
Posts: 5793
Joined: Mon May 31, 2021 2:36 pm
Location: South Coast

Re: Battery go Kabooom

#16

Post by nowty »

John_S wrote: Tue Oct 31, 2023 5:45 pm No mention of a battery management system.

The system owner is an electronics technician specializing in energy and building services, with 20 years of professional experience.

I hope that he installed it properly, with suitable fuses etc as well as a good BMS.
One of the batteries is quoted as a "BR-48200B", google it, you will find an Alibaba website, I won't publish the link here but they look like this,

I cant find the other quoted model "MY-381", they might be individual cells.

Image
18.7kW PV > 109MWh generated
Ripple 6.6kW Wind + 4.5kW PV > 26MWh generated
5 Other RE Coop's
105kWh EV storage
60kWh Home battery storage
40kWh Thermal storage
GSHP + A2A HP's
Rain water use > 510 m3
dlw
Posts: 71
Joined: Mon Oct 24, 2022 8:33 pm

Re: Battery go Kabooom

#17

Post by dlw »

nowty wrote: Tue Oct 31, 2023 9:35 pm
John_S wrote: Tue Oct 31, 2023 5:45 pm No mention of a battery management system.

The system owner is an electronics technician specializing in energy and building services, with 20 years of professional experience.

I hope that he installed it properly, with suitable fuses etc as well as a good BMS.
One of the batteries is quoted as a "BR-48200B", google it, you will find an Alibaba website, I won't publish the link here but they look like this,

I cant find the other quoted model "MY-381", they might be individual cells.

Image
Very similar to my battery.

I have an automatic powder fire extinguisher fitted just above my inverter and batteries but probably won't help with a sudden explosion unless something gets very hot first.

I've had first hand experience of a lithium battery pack going pop, I had one in my caravan and I think the built-in charger decided to go a bit wrong and one or more in the pack decided to go bang while we were sat having dinner (they were under the seating). There was a strong smell of disinfectant/cleaning product a little while before and we put it down to my youngest messing around in the bathroom and about 15mins later things became very hot. The seats caught fire as well as some of the panelling. Luckily no injuries, just a bit of shock and a ruined holiday.
16 250w Trina panels
Voltronic Axpert Max 8Kw hybrid inverter
3 x Chinese 125Ah (19Kwh total) batteries
To be done, more panels and a wind turbine
Off Grid 20 out of 24hrs
John_S
Posts: 377
Joined: Wed Jun 02, 2021 10:03 am
Location: West London

Re: Battery go Kabooom

#18

Post by John_S »

nowty wrote: Tue Oct 31, 2023 9:35 pm
John_S wrote: Tue Oct 31, 2023 5:45 pm No mention of a battery management system.

The system owner is an electronics technician specializing in energy and building services, with 20 years of professional experience.

I hope that he installed it properly, with suitable fuses etc as well as a good BMS.
One of the batteries is quoted as a "BR-48200B", google it, you will find an Alibaba website, I won't publish the link here but they look like this,

I cant find the other quoted model "MY-381", they might be individual cells.
I found that too as well as nothing about the MY-381.

I am considering installing a battery, but am going to wait until I have Octopus Outgoing up and running first. Probably 9-11kWh eg 3*3.5 or 2*4.8 Pylontech. Tried and tested and worth it for the extra peace of mind to have a UK supplier.
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