Lithium Slimline PRO 300Ah 12V LiFePO4 Battery EVE Cells BMS

Voltiron Slimline Pro 300Ah LiFePO₄

Big power. Slim design.

The Voltiron Slimline Pro 300Ah delivers serious 12V power in a compact, ultra-slim form factor. Built using advanced LiFePO₄ chemistry, it offers faster charging, higher usable capacity, and a longer lifespan than traditional lithium or AGM batteries.

Designed for tight installs and demanding environments, it’s ideal for 4WD, touring, RV, marine, solar, and off-grid systems where space and reliability matter.

Power you can trust

Built with Grade A EVE prismatic cells and a software-controlled JBD BMS, the Slimline Pro 300Ah provides advanced protection against over-charging, over-discharging, overheating, and short circuits — ensuring safe, stable performance in all conditions.

Reliable. Efficient. Built to last.

Type of Battery: Lithium-Iron Phosphate (LiFePO4)

Standard Voltage: 12.8V

Usable Capacity: 300Ah (3840Wh)

Cycle Life: 4000 @ 80% DoD

Charging Cut-Off Voltage: 14.8±0.2V

Discharge Cut-Off Voltage: 9.0±0.2V

Over-Charge Recovery Voltage: 14±0.2V or Discharge ≥ 2A

Over-Discharge Recovery Voltage: 10.8±0.2V or Charge ≥ 2A

Max. Continous Charging: Current 300A (1C)

Max. Continous Discharging: Current 300A (1C)

Peak Discharge Rate (1.5s): 1240±250A (4C+)

Battery Pack Assembly Method: 4S1P

Cell Type: EVE Grade A 3.2V 304Ah LFP Prismatic Cell

BMS Brand: JBD Smart 300A-S Programmable BMS

Charging Type: CC/CV

Charging Temperature: -10 ~ 65°C

Discharging Temperature: -20 ~ 75°C

Charging Temp Protection: ≥65±5℃

Discharging Temp Protection: ≥75±5℃

Maximum Battery Connectivity: Unlimited in Parallel/Four in Series

Input/Output Port Type: M8 + 2 x 50A Anderson Outlet With Circuit Breaker Protection

Dimensions: 717x85x407mm

Weight: 30KG

Case Material: Aluminium

Ip Rating: IP33

Certifications: IEC62619/UL1642A/UN38.3/ROHS

Warranty: 5 Year Full Replacement Warranty

Performance specifications are based on controlled testing conditions.  
Actual performance may vary based on usage, temperature, and installation.  
Cycle life and capacity are estimates, not guarantees.