Hailong Jumbo E-Bike Battery Case – High Capacity Lithium Battery Enclosure

Product Description (Paste Into Shopify)

Massive Capacity Battery Case for Custom E-Bike Builds

This oversized Hailong-style battery enclosure is designed for builders looking to create high-capacity lithium battery packs for powerful and long-range e-bike applications.

Unlike standard battery cases, this rare jumbo enclosure can fit up to 80x 21700 lithium-ion cells, making it ideal for advanced custom battery projects where extra capacity and cleaner integration matter.

Perfect for custom builders, repair shops, and DIY e-bike enthusiasts.

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Key Features

• Fits up to 80x 21700 lithium-ion cells
• Large internal capacity for extended range builds
• Durable hard-shell Hailong-style enclosure
• Clean downtube mounting design
• Great for high-power and long-range e-bike systems
• Compatible with custom BMS configurations
• Professional appearance for custom battery builds

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Ideal Applications

• Long-range e-bike battery packs
• High-capacity custom builds
• DIY lithium battery projects
• Battery rebuilds and upgrades
• High-performance electric bikes

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Why This Battery Case Is Different

Most standard Hailong battery enclosures are limited in space and can only fit smaller cell layouts. This larger-format case gives builders the ability to create significantly higher Ah battery packs while maintaining a clean integrated look on the bike.

A rare option for serious battery builders.

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Technical Notes

• Battery cells NOT included
• BMS NOT included
• Charger NOT included
• Professional assembly recommended
• Cell count depends on configuration and cell spacing

Custom Build Options

This jumbo 80-cell battery case supports multiple high-performance lithium battery configurations depending on your voltage and range requirements.

Popular Supported Configurations

• 16s5p Build
  • Supports up to 80A BMS
  • Great for 52V high-power e-bike systems
  • Excellent balance of power and range
• 20s4p Build
  • Supports up to 80A BMS
  • Ideal for 72V performance builds
  • Perfect for high-speed and high-output applications
• 13s6p Build
  • Supports up to 80A BMS
  • Excellent for long-range 48V setups
  • Increased capacity and extended ride times

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Built for Serious Battery Builders

This oversized enclosure gives builders the flexibility to create:

• High-current battery packs
• Long-range commuter systems
• High-performance e-bike batteries
• Custom lithium-ion projects
• Advanced DIY battery builds

Compatible with:

• 21700 lithium-ion cells
• Custom nickel layouts
• Multiple BMS configurations
• High discharge applications