Description
The BSL HV ESS Blue Rack B158 Combo Item 157.6kWh 603V 492.8V 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 ESS Blue Rack B158 Combo Item 157.6kWh 603V 492.8V with fast courier delivery across South Africa.

Asanda Cele (verified owner) –
Good backup for load shedding
The BSL lithium battery works well for backup power. It charges properly and has been useful during load shedding. Happy with the quality.
Teboho Motsoane (verified owner) –
Battery works very well
The BSL lithium battery works well for backup power. It charges properly and has been useful during load shedding. Happy with the quality.
Banele Gumede (verified owner) –
Good value battery
The battery does what I needed. Good for load shedding, simple to use and no issues so far. Good buy, nothing serious to complain about.
Thabo Mokoena –
Worth it for backup power
Solid lithium battery. It gives peace of mind when the power goes out and the quality feels proper.
Marlene Visser –
Decent battery
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.
Nhlanhla Khoza (verified owner) –
Solid lithium battery
I am happy with this BSL lithium battery. The backup time is decent and it fits nicely into a solar system.
Suné Snyman (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.
Thandiwe Khumalo (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.
Lwazi Malinga (verified owner) –
Works well for backup
Good value for solar backup. It is not over complicated and works well with the system. Good buy, nothing serious to complain about.
Sipho Dlamini (verified owner) –
Happy with the battery
Good battery for a home solar setup. It keeps the basics running when Eskom goes off and feels like a solid buy.
Lindiwe Molefe (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.
Hennie Kruger –
Worth it for backup power
The battery does what I needed. Good for load shedding, simple to use and no issues so far.
Devon Hendricks (verified owner) –
Battery works very well
Good value for solar backup. It is not over complicated and works well with the system.
Nomsa Dlamini (verified owner) –
Happy with the battery
I am happy with this BSL lithium battery. The backup time is decent and it fits nicely into a solar system.