Description
Tech Compatibility Note: This battery configuration is designed specifically for the standard FM 750 and FM 500 frame architectures. It is not compatible with the high-capacity, heavy-duty frame layouts of the FM 750x, Hellbender Max, or XP 500 Carbon models.
Zero Range Anxiety. Total Field Security.
Deep backcountry exploration and long-distance travel demand absolute confidence in your energy reserve. The FM 750 Battery is our genuine, original equipment manufacturer (OEM) power solution—engineered precisely to match the high-efficiency demands of your Fission drivetrain. Whether deployed as a direct replacement for an aging core or packed as an on-the-fly hot swap to completely double your range, it ensures you can push deeper into the wild and always make it back to camp.
Safety and structural durability are engineered directly into the architecture. Each pack features a custom-keyed, integrated mechanical lock cylinder that prevents frame detachment over punishing ruts, washboards, and rough terrain. Built to handle fluctuating field temperatures and demanding throttle outputs, the weather-sealed casing slips cleanly into the lower frame cradle, deflecting trail debris, mud, and water spray while maintaining a low-profile aesthetic.
Technical Highlights
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Premium LG Lithium Core: Outfitted exclusively with grade-A, high-density LG lithium-ion cells for stable power delivery, exceptional lifecycles, and reliable cold-weather performance.
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On-Demand Capacity Tracking: Features an integrated, multi-stage LED charge level indicator on the housing wall, allowing you to check your exact power status at a glance without turning on the bike.
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Lock-and-Key Security: Equipped with a rugged mechanical barrel-lock latch assembly to safely anchor the battery to the down tube, eliminating rattle and guarding against theft.
Specifications
| Attribute | Specification |
| Component Category | Premium Replacement / Backup E-Bike Power Pack |
| Chassis Compatibility | Fission Cycles™ FM 750 and FM 500 Platforms |
| Cell Core Architecture | Premium Grade-A LG Lithium-Ion Cells |
| Voltage Configuration | 48V (System Nominal) |
| Amp-Hour Rating | 14 AH Capacity Profile |
| Housing Construction | High-Impact, Weather-Sealed Polycarbonate Casing |
| Security Hardware | Integrated Keyed Cylinder Lock Set (Keys Included) |
| Charging Interface | Safe-Connect DC Charging Port with Debris Cap |
| Charging Ecosystem | Fully Compatible with Standard Fission 48V Chargers |
| Portability Mechanics | Quick-Release Removable Latch Layout |










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