Description
The BSL HV Blue Stack 12 Battery 314Ah 681.6V 547.2V 192.921kWh is engineered for South African load-shedding conditions where batteries cycle daily, often multiple times, and where the combination of high ambient temperatures and frequent charge-discharge cycling tests battery chemistry to its limits.
LiFePO4 (Lithium Iron Phosphate) chemistry was chosen for this application for good reason: it is the safest lithium chemistry available (no thermal runaway risk), it maintains a flat discharge curve (stable voltage throughout discharge rather than the steep drop of lead-acid), and it delivers 3 000–6 000+ cycles at 80% depth of discharge versus 300–500 cycles for an equivalent lead-acid battery.
The built-in Battery Management System (BMS) monitors every cell in the pack for over-voltage, under-voltage, over-current, over-temperature, and under-temperature conditions, disconnecting the battery before any condition can damage the cells. CAN bus and RS485 communication ports allow the battery to communicate its state of charge, state of health, cell temperatures, and cycle count directly to compatible hybrid inverters including Deye, Sunsynk, Victron, GoodWe, Fronius, SMA, and LuxPower.
Multiple units can be connected in parallel to scale the storage capacity to match your household’s consumption during loadshedding. Correct installation by a qualified electrician with a valid COC (Certificate of Compliance) is recommended and may be required for warranty validity.
End Loadshedding provides the BSL HV Blue Stack 12 Battery 314Ah 681.6V 547.2V 192.921kWh with fast courier delivery across South Africa.

Jacques Steyn (verified owner) –
Good battery so far
Solid lithium battery. It gives peace of mind when the power goes out and the quality feels proper. Very happy overall, just leaving room after more time in use.
Melanie Samuels (verified owner) –
Happy overall
I am happy with this BSL lithium battery. The backup time is decent and it fits nicely into a solar system. Very happy overall, just leaving room after more time in use.
Siyabonga Sithole (verified owner) –
Solid lithium battery
The battery does what I needed. Good for load shedding, simple to use and no issues so far.
Kayla Isaacs (verified owner) –
Worth it for backup power
Solid lithium battery. It gives peace of mind when the power goes out and the quality feels proper.
Dylan Solomon (verified owner) –
Works well for backup
The BSL lithium battery works well for backup power. It charges properly and has been useful during load shedding. Happy with the quality. Very happy overall, just leaving room after more time in use.
Njabulo Mabaso –
Good backup for load shedding
Good value for solar backup. It is not over complicated and works well with the system.
Candice September (verified owner) –
Worth it for backup power
The battery does what I needed. Good for load shedding, simple to use and no issues so far.
Charlton Williams (verified owner) –
Decent battery
Good battery for a home solar setup. It keeps the basics running when Eskom goes off and feels like a solid buy. Good buy, nothing serious to complain about.
Tumelo Mokwena (verified owner) –
Good battery so far
The BSL lithium battery works well for backup power. It charges properly and has been useful during load shedding. Happy with the quality. Delivery could always be faster, but the product itself is good.
Nokuthula Mthembu (verified owner) –
Good backup for load shedding
Good battery for a home solar setup. It keeps the basics running when Eskom goes off and feels like a solid buy.
Reece Valentine (verified owner) –
Good value battery
Good battery for a home solar setup. It keeps the basics running when Eskom goes off and feels like a solid buy. Only giving four stars because I still want to see how it performs long term.
Andile Mkhwanazi (verified owner) –
Okay for backup
I am happy with this BSL lithium battery. The backup time is decent and it fits nicely into a solar system. It does the job, but check that it suits your setup first.
Mandla Zulu –
Happy with the battery
The BSL lithium battery works well for backup power. It charges properly and has been useful during load shedding. Happy with the quality.
Mduduzi Mlambo (verified owner) –
Good battery so far
Good value for solar backup. It is not over complicated and works well with the system. Only giving four stars because I still want to see how it performs long term.
Blessing Nyathi –
Good value battery
I am happy with this BSL lithium battery. The backup time is decent and it fits nicely into a solar system. Delivery could always be faster, but the product itself is good.