TYKOOL YTX9-BS-PRO LiFePO4 Battery - 300 CCA, 5Ah, Drop-In Fit

Overview

Meet the TYKOOL YTX9-BS-PRO, a lightweight LiFePO4 battery engineered for demanding powersports. With 300 CCA starting power and 5Ah capacity, it delivers reliable cranks for high-compression engines while keeping weight low. The LiFePO4 chemistry also supports 2000+ discharge cycles, offering a longevity profile that can appeal to riders seeking dependable power without a heavy battery pack.

Designed for modern motorcycles and powersports devices, this battery emphasizes performance, efficient energy use, and consistent voltage delivery across a ride. While real-world results depend on your setup, many riders notice crisper starts and a lighter overall feel when upgrading from heavier lead-acid packs.

Why choose TYKOOL YTX9-BS-PRO

• 300 CCA starting power and 5Ah capacity for reliable starts and stable electronics
• Low weight at about 2.1 lbs, helping reduce unsprung weight and potentially improving handling
• LiFePO4 chemistry with long cycle life and robust performance in varied riding conditions
• Left Hand Positive polarity and drop-in fit for YTX9-BS / GTX9-BS replacements
• Digital SOC readout and a smart BMS protect against over-charge, over-discharge, and over-current

Fitment and physical data

Dimensions are 150 x 87 x 105 mm (L x W x H); packaged weight around 2.1 lbs. The compact form supports tight engine bays and easy installation while helping to reduce overall bike mass.

• Ultra-lightweight, ideal for track days and high-speed handling
• Left-handed positive polarity for compatibility with multiple bike systems

Smart monitoring and protection

The built-in Digital SOC display shows the exact percent of energy remaining. The BMS offers protection against over-charge, over-discharge, and over-current, while helping maintain balanced cell voltages for reliable performance.

Racing-ready compatibility

Optimized for performance machines such as BMW S1000RR, Triumph Street Triple, and KTM RC 390, with support for complex electronics and quick-shifters.

• Supports stable voltage delivery to pumps and ignition coils, aiding throttle response
• IP66 sealed housing guards against dust and water in racing and rain

Multi-brand fitment

Suitable for brands like Kawasaki, Honda and more, offering a weight-saving edge without compromising power delivery.

Voltage, care and installation tips

Use with a regulator delivering stabilized output under 15.0V. Do not use with old shunt regulators that can exceed 15V. Verify charging voltage around 14.4V ± 0.2V before first use.