Polarium Battery SLB48-100-135-6




  • 5.1 kWh / 100 Ah Rated Capacity @25ºC
  • LFP (Lithium Iron Phosphate) Chemistry
  • 48V Rated Voltage
  • 19″ 3U Enclosure Size
  • 10 Year Warranty & Local Support
  • 39.3kg Weight
  • Effortless installation and operation
  • Polarium Patented Current Limiting Device (CLD*)
  • Safe – all Polarium batteries are designed with safety in mind
  • Smart Battery Management System (BMS) built by Polarium
  • Inverter / Charger Agnostic
  • Maintenance Free
  • AC coupled and DC coupled compatibility
  • Sustainable – long battery lifetime. Compact size, light, maintenance free


Polarium Battery SLB48-100-135-6
Product Description

Polarium Battery SLB48-100-135-6

The Polarium SLB48-100-135-6 lithium-ion battery module is an industry leading energy storage solution renowned for its exceptional efficiency and high power density. Engineered as a dependable backup power system, Polarium lithium-ion batteries are equipped with a range of innovative features that prioritise safety, simplicity, durability, intelligence, security, and sustainability. Trusted by critical infrastructure organisations throughout Australia, these batteries ensure unwavering power support during crucial moments.

LFP Chemistry: Polarium batteries utilising LFP (Lithium Iron Phosphate) chemistry are known for their exceptional safety, longevity, and environmental friendliness.

Safety First: Exceeds all relevant safety standards with 5 layers of embedded safety protection. Polarium products undergo rigorous testing and certification to guarantee secure and worry-free operation. The patented Current Limiting Device (CLD) prevents overheating, guaranteeing the market's safest battery.

Advanced BMS: Designed by Polarium (not a 3rd Party BMS like many manufacturers on the market). Optimises battery performance, monitors safety, and enhances overall reliability.

Effortless Operation: Harnessing advanced technology has never been easier. Polarium batteries are designed for straightforward installation, effortless use, and require minimal maintenance for optimal performance and charge control.

Rugged Reliability: Capable of thriving in diverse conditions and environments, Polarium batteries offer added protection against dust and moisture, extending their operational lifespan.

Intelligent Functionality: Experience the convenience of active balancing, blackstart, and the flexibility of local monitoring via Bluetooth, among other intelligent features.

Eco-Conscious Sustainability: Benefit from an exceptionally long battery life while minimising your environmental footprint. Polarium batteries are compact, lightweight, maintenance-free, and can be effortlessly managed remotely, aligning perfectly with sustainable practices. In addition a high percentage of the batteries components can be recycled.

Local Support
Having been around since 1996, SEA don’t just supply a product, we work with our partners to ensure that all aspects of the installation and post sales support are catered. We back our products and customers (Installers) 100%.

Solar Energy Australia have a partner network across Australia. Our strategic partners give us the edge in the market, making sure that the customer is both happy with their batteries and proud they are supporting Australian business.


Product Specifications


Electrical Characteristics

Enclosure Size19” 3U
Lithium ChemistryLithium iron phosphate (LFP)
Rated Voltage48 V
Rated Capacity (0.2 C, 25 °C to LVBD)100 Ah
Rated Energy (0.2 C, 25 °C to LVBD)5120 Wh
Calendar Life @ 80 % SOC20 years
Peak Discharge Power6 kW for 60 seconds
Discharge Cutoff Current100 A, 300 seconds
End-of-Discharge Voltage (LVBD)*40 V
Charge Current Limitation (CLD)**100 A
Charge Voltage for 100 % SOC58.4 V

Environmental Characteristics

Operating Temperature Charging0 to +55 °C (32 to 131 °F)
Operating Temperature Discharging-20 to +60 °C (-4 to 140 °F)
Operating Relative HumidityAccording to ETSI 300 019-1-3 class 3.2 (0-95 %)
Storage Temperature-20 to +60 °C (-4 to 140 °F)

Physical Characteristics

WeightApprox 39.3 kg (87 lbs)
DimensionsW 440 D 441 H 132 mm
(W 17.3” D 17.4” H 5.2”)

Safety & Compliance

Circuit Breaker125 A, BMS Controlled, dual pole
IP ClassIP20
Communication ProtocolsRS485, RJ45 (2) ports, Modbus
Safety StandardsIEC62619, IEC62368, UN38.3
Management & Monitoring Softwarefor PC (Studio) included for full local monitoring and management.
Remote connection via Modbus
*Cut off when one cell reaches 2.5 V, 16 cells in series. Data subject to change without notice. **If the charge current is 100 A or higher, the battery will automatically reduce the charge current to 6-12 A temporarily. Data subject to change without notice.
Contact Us

Contact us to find out more about Polarium Battery SLB48-100-135-6