12V 12Ah 7L LiFePO4 Bike Self-Start Battery Pack with Active Balancer

Specification
• Battery Type: LiFePO4 (Lithium Iron Phosphate)
• Nominal Voltage: 12V (4S configuration)
• Rated Capacity: 12Ah
• Energy Capacity: 144Wh
• Cell Model: 32700 LiFePO4
• Cell Count: 8 pcs (3.2V per cell)
• Battery Configuration: 4S2P
• Continuous Discharge Current: 40A
• Peak Self-Start Current: Up to 500A (short duration)
• BMS Type: 4S Self-Start BMS
• Active Balancer: 1.2A Capacitive Active Balancer
• Battery Case Size: 7L
• Dimensions (mm): 148.8 × 85.5 × 93.1 mm
• Dimensions (inch): 5.86 × 3.37 × 3.66 inch
• Weight: 1337g ±100g
• Protection Features: Over-charge, Over-discharge, Over-current, Short-circuit, Cell balancing
• Cycle Life: 2000+ cycles
• Terminal Type: Bolt terminal (bike standard)
Description
This 12V 12Ah LiFePO4 bike self-start battery pack is designed for high-performance motorcycles requiring strong cranking power with long service life. Built using 8 pieces of 32700 3.2V LiFePO4 cells, it delivers stable voltage, fast engine start, and excellent safety.
The battery includes a 4S self-start BMS capable of handling up to 500A peak current during engine start, ensuring reliable ignition even in cold or high-load conditions. A 1.2A active balancer keeps all cells perfectly balanced, improving efficiency, lifespan, and overall battery health.
With a compact 7L size, lightweight design, and advanced protection system, this battery is a modern replacement for traditional lead-acid bike batteries.
Application


1. Bike Self-Start System
2. Motorcycle Battery Replacement
3. 12V LiFePO4 Power Systems
4. High Peak Current Applications
5. DIY Bike Battery Projects