BSL Battery 5.12kWh LiFePO4 48V Lithium Battery
R20 125.00 incl. VAT
The BSL 5.12kWh LiFePO4 Battery delivers premium-grade LiFePO4 storage at a mid-range price point — making it one of South Africa’s best value-for-money solar batteries. At 48V / 100Ah with 90% depth of discharge, it provides 4.6kWh of usable backup per unit.
Grade-A prismatic LiFePO4 cells, multi-layer BMS protection, and CAN/RS485 communication compatible with Deye, Sunsynk, Goodwe, Axpert, and most SA hybrid inverters. Wall-mountable with included bracket. Rated for 6,000+ cycles. 5-year warranty with SA distributor support.
Stack up to 8 units (40.96kWh) per system. An excellent choice for cost-conscious buyers who don’t want to compromise on cell quality or cycle life. Price excludes VAT. Fast nationwide dispatch.
Estimated Delivery Timeline
Delivery timelines are estimates. Orders typically arrive within 3–5 business days after payment is confirmed.
What Is the BSL 5.12kWh Battery?
The BSL 5.12kWh is a 48V, 100Ah LiFePO4 lithium battery module optimised for South African residential solar installations. BSL uses Grade-A prismatic iron phosphate cells — the same chemistry used in Hubble, Pylontech, and Freedom Won batteries — at a price point that undercuts the major brands without compromising on cycle life or safety.
| Specification | Value |
|---|---|
| Nominal Voltage | 48V |
| Capacity | 100Ah / 5.12kWh |
| Usable Capacity (90% DoD) | 4.6kWh |
| Cell Chemistry | LiFePO4 Prismatic (Grade A) |
| Cycle Life | 6,000+ cycles |
| Communication | CAN bus / RS485 |
| Max Parallel Units | 8 |
| Weight | ~48kg |
| Warranty | 5 years |
Grade-A Cells — Not All Lithium Is Equal
BSL sources Grade-A prismatic LFP cells that meet full factory specification for capacity and internal resistance. Grade-B or reject cells — sometimes found in budget batteries — have higher internal resistance, lower usable capacity, and fail earlier. The BSL’s Grade-A cells deliver consistent 100Ah capacity from cycle 1 to cycle 6,000.
Multi-Layer BMS Protection
The built-in Battery Management System monitors each cell for overvoltage (cell-level, not just pack-level), undervoltage, overcurrent, short circuit, and temperature (both charge and discharge cutoffs). This multi-layer protection prevents battery damage from inverter faults, wiring errors, or extreme temperature events.
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Marize Nel –
Added the BSL Battery 5.12kWh LiFePO4 48V Lithium Battery to expand our backup capacity and the difference is night and day. We now get through extended Stage 6 outages with power to spare. The battery management system keeps everything safe and the unit runs cool. Excellent product.
Liesl Pretorius –
The BSL Battery 5.12kWh LiFePO4 48V Lithium Battery has been pairing perfectly with my existing inverter. I went from 2 hours of backup to over 8 hours overnight. Battery health is still showing 100 percent after six months of daily cycling. PowerVault delivered to my area at a reasonable freight rate.