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.
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
Ideal Applications
- Long-range e-bike battery packs
- High-capacity custom builds
- DIY lithium battery projects
- Battery rebuilds and upgrades
- High-performance electric bikes
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.
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
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
🔧 Battery Rebuild Service
We rebuild your existing battery using fresh, high-quality cells to restore or increase capacity and performance.
- Full disassembly, rebuild, and testing
- Upgraded capacity options available
- Uses brand new name-brand cells
- Turnaround time: Approximately 14 business days
- Timeline includes the time it takes for us to receive your battery and complete the rebuild
⚡ Custom Battery Builds
Fully custom battery solutions designed to meet your exact specifications. This is ideal for unique applications or when a standard battery will not fit your needs.
- Custom shapes and sizes
- Custom BMS (Battery Management System) configurations
- Choice of cells and performance levels
- Option for enclosed case or raw (naked) pack
- Built specifically for your application
- Turnaround time: Approximately 21 business days
🔋 Battery Packs (Encased)
Battery packs built using one of our in-stock cases. These are a great option if you want a reliable, ready-to-fit solution.
- Uses pre-designed cases from our inventory
- Proven, reliable configurations
- Faster than fully custom builds
- Turnaround time: Approximately 14 business days
🔬 Battery Cells (Individual Cells)
We supply high-quality lithium-ion cells for repairs, upgrades, and custom builds.
- In-stock cells: Ship within 3–6 business days
- Out-of-stock (air shipping): Approximately 10 business days
- Out-of-stock (sea shipping): Approximately 40 days
📦 Shipping & Intake Process
- Place your order or request a quote
- Fill out our Battery Intake Form
- Send in your battery (include charger and key if required)
- We inspect and test your battery
- We contact you with results and recommended options
Important Information
Turnaround times begin once your battery is received and checked into our system.
During high demand periods or for complex builds, timelines may be slightly extended.
Shipping Method
- All batteries are shipped via ground service only (FedEx or UPS) in compliance with DOT and IATA regulations for lithium batteries.
- Expedited air shipping is not available for lithium battery products.
Delivery Time
- Ground shipping typically takes 3–7 business days within the U.S.
- Tracking information will be provided as soon as your order ships.
Local Pickup
- Pickup is available at our Las Vegas facility:
4856 Judson Ave Suite 155 Las Vegas, NV 89115
Monday– Thursday, 9:00 AM – 4:00 PM ( Friday by appointment).
Returns
- Returns are accepted within 14 days of delivery on unused, unopened batteries.
- For rebuilds and custom packs, all sales are final unless defective.
Important Notes
- Shipping is limited to the continental United States.
- Customers are responsible for providing a valid shipping address — carriers cannot deliver to P.O. Boxes.
- Signature may be required at delivery for higher-value battery orders.
