Description
70kWh BSL Lithium Battery 518.4V High Voltage Complete Set
The 70kWh BSL Lithium Battery 518.4V High Voltage Complete Set is an energy-storage solution for compatible solar, backup and off-grid systems. It is intended to store surplus energy and supply supported loads when solar production is low or grid power is unavailable, subject to correct inverter communication and system design.
Key Features
- Provides rechargeable energy storage for compatible backup and solar systems.
- Lithium-based storage platform designed for repeated charge and discharge operation.
- High-voltage architecture for supported HV inverter systems.
- Final usable energy and discharge capability depend on the exact model settings and system design.
Technical Specifications
| Brand | BSL |
|---|---|
| Product | 70kWh BSL Lithium Battery 518.4V High Voltage Complete Set |
| Product category | Batteries |
| Nominal energy capacity | 70kWh |
| Nominal voltage / voltage class | 518.4V |
| Battery architecture | High-voltage |
| Total energy | 70kWh (nominal) |
| Nominal voltage | 518.4V HV (typical operating window ±450–600V; installer to confirm per inverter profile) |
| Nominal capacity | ≈135Ah class (energy ÷ voltage) |
| Chemistry | LiFePO₄ (LFP) with master/slave BMS architecture |
| Max continuous charge/discharge current | up to 100A class (site/inverter/profile dependent) |
| Peak output | up to 1.5× short duration (installer to confirm limits) |
| Round-trip efficiency | up to ≥95% (typical LFP) |
| Cycle life | ≥6,000 cycles @ 80% DoD (reference conditions) |
| Communications | CAN / RS485 with profiles for leading HV hybrid inverters (select the correct BSL ↔ inverter profile during commissioning) |
| Protection & safety | integrated DC breaker/contactor, pre-charge, cell/pack balancing, OVP/UVP/OCP/OTP/UTP, short-circuit protection |
Suitable Applications
- Residential backup power
- Solar self-consumption
- Off-grid energy storage
- Commercial storage systems when the voltage platform is compatible
Important Installation Information
Confirm inverter compatibility, battery voltage, BMS communication, charge and discharge settings, cable sizing and protection before installation. Mixing unsupported battery models, voltages or firmware versions can cause poor performance or equipment damage.
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