12V 12.8V 50AH Lithium Iron Phosphate LiFePO4 Batterywith Active BMS+Bluetooth

After many years in the lithium battery industry, we recognised the challenges of maintaining consistent quality with imported batteries, often resulting in failures and costly repairs. To address this, we developed Sunnytech Solar Lithium Batteries. Our locally made LiFePO4 batteries are built with top tier, premium grade cells and a robust BMS, delivering superior performance and long-term reliability. With Bluetooth enabled monitoring via smartphone apps, our batteries provide intelligent, real time monitoring and management. Backed by responsive after-sales support, we are committed to delivering reliable, high-quality solutions you can trust.

Customized battery orders are available (12V to 48V, 50Ah to 600Ah). For details, contact sales@sunnytech.co.nz.

This LiFePO4 battery model supports up to 4 batteries in series, with unlimited parallel connections.

Electrical Specification Nominal Voltage: 12V (12.8V)

Nominal Capacity: 50AH

Energy: 640Wh

Self Discharge: <3% per month

Charge Specification Max. Charge Current: 30A

BMS Charge Voltage Cut-off: 14.6V (1±0.2S)

Discharge Specifications Max. Continuous Discharge: 60A

Peak Discharge Current: 60A

BMS Discharge Cut-off: 11.6V

Mechanical Specifications Dimensions (LxWxH): 230x145x225mm

Weight: 5.5kg

Terminal Type: M6 Screw

High Cycle Life: >8000 times @ 80%DOD

Built-in BMS Protection: Each cell charging balanced, overcharging, over-discharging, short circuit

Bluetooth Monitoring: Yes

Battery Cells 15-Year Warranty / BMS 5-Year Warranty

Local support, no overseas warranty headaches