The Parts Unlimited HJT9B-FP is a next-generation LiFePO4 lithium battery — a drop-in replacement for both the YT7B-BS and YT9B-BS, covering the full modern Ducati Panigale range plus Streetfighter V4. About 65% lighter than lead-acid, with stronger cranking and a sealed, mount-any-direction design.

Fitment (replaces YT7B-BS / YT9B-BS — verify against your existing battery):

• Ducati Panigale 899 / 959 / 1199 / 1299 (2012-2019)
• Ducati Panigale V4 / V4 S / V4 R (2018+) · Panigale V2 (2020+)
• Ducati Streetfighter V4 / V4 S (2020+) · Streetfighter V2 (2022+)
• Ducati Monster 937 / Monster+ / SP / Senna (2021+) · SuperSport 950 (2021+)
• Ducati Hypermotard 950 (2022+) · Hypermotard 698 Mono (2024+, OE lithium 39540601A)
• Ducati Scrambler 800 Next-Gen (2023+) · Multistrada V2 (2025+) · Multistrada V4 RS
• Ducati DesertX / Rally / Discovery (2023+) — OE-fitted lithium (39540601A)
• Panigale V4 S / V4 R and Streetfighter V4 S (2021+) ship with factory lithium — this is a direct replacement / upgrade.

Specs:

• 12V LiFePO4 lithium — 36Wh, 210A cranking output
• Just 1.8 lb — about 65% lighter than lead-acid
• Sealed & non-spillable — mounts in any orientation
• Direct YT7B-BS / YT9B-BS replacement
• Use a lithium (LiFePO4)-compatible charger — pairs with our OptiMate Lithium chargers
• Weight: 1.8 lb / 0.8 kg
• Dimensions (L × W × H): 5.9 × 2.6 × 3.6 in / 150 × 65 × 92 mm