Silver Fish eBike Battery Case – Large Battery Box for Up to 70 × 18650 Cells

Large Silver Fish Battery Shell Case for Electric Bicycles & Folding eBikes

Build or rebuild your eBike battery pack with this Silver Fish Battery Case, a large battery box designed for custom lithium-ion battery pack applications using 18650 cells.

The spacious shell can accommodate up to 70 18650 battery cells, depending on the battery configuration, BMS, wiring, nickel strip arrangement, and internal components.

Its Silver Fish-style design makes it suitable for a variety of electric bicycles, folding eBikes, and custom battery conversions where a larger external battery enclosure is required.

⚠️ Battery Case Only

This listing is for the battery case/shell only.

18650 cells, BMS, charger, wiring, connectors, mounting hardware, and a complete battery pack are NOT included unless specifically stated in the selected product option.

---

🔋 Key Features

Large Battery Capacity

The case is designed to accommodate up to approximately 70 × 18650 cells, depending on the pack configuration and internal component placement.

Silver Fish Battery Design

The Silver Fish-style battery enclosure provides a practical housing solution for custom eBike battery builds.

Ideal for Custom Battery Packs

Use the case when building or rebuilding a compatible lithium-ion battery pack with:

• 18650 cells

• Battery Management System (BMS)

• Nickel strip

• Battery wiring

• Power connector

• Charging connector

• Fuse or protection components

Folding eBike Compatible

The case can be suitable for compatible folding electric bicycle designs and other custom eBike conversions where the physical dimensions and mounting arrangement match.

---

📋 Product Specifications

Specification	Details
Product Type	eBike Battery Case / Battery Box
Style	Silver Fish
Material	Battery shell/enclosure
Cell Type	18650
Maximum Cell Capacity	Up to 70 cells
Application	Electric Bicycle / Folding eBike
Battery Type	Custom Lithium-Ion Pack
Battery Cells Included	No
BMS Included	No
Charger Included	No
Complete Battery Included	No
Installation	Custom battery assembly

Note: The actual number of cells that can be installed depends on the physical arrangement and the BMS, wiring, insulation, and other components used inside the enclosure.

---

⚡ Build Your Own eBike Battery

A battery case is the foundation of a custom battery build. When assembling an 18650 lithium-ion battery pack, the cell configuration determines the finished battery's voltage and capacity.

For example:

13S5P = 65 cells

That means:

• 13 cells in series determine the nominal voltage

• 5 cells in parallel determine capacity

• 13 × 5 = 65 total cells

A case capable of holding up to 70 cells may therefore accommodate configurations such as a 13S5P pack, depending on the internal layout and available space.

Do not assume that maximum cell count automatically determines battery voltage or Ah capacity.

---

🔧 Important Battery-Build Considerations

When building a lithium-ion battery pack, make sure all components are matched correctly.

Cell Configuration

Choose the correct series/parallel configuration for your motor and controller.

BMS

The BMS must match:

• Battery voltage

• Cell series count

• Continuous current requirement

• Peak current requirement

• Charging requirements

Charger

The charger must match the completed battery pack's series configuration and full-charge voltage.

For example:

Battery Configuration	Typical Li-Ion Nominal Voltage	Full Charge
10S	36V	42V
13S	48V	54.6V
14S	52V	58.8V
16S	60V	67.2V
20S	72V	84V

Always verify the actual cell chemistry and BMS specifications before selecting a charger.

---

🛠️ Custom Battery Applications

This Silver Fish battery case can be used for compatible:

• Electric bicycles

• Folding eBikes

• DIY eBike conversions

• Custom lithium-ion battery packs

• Replacement battery projects

• High-capacity eBike builds

• Electric scooter projects where dimensions and mounting are compatible

---

📏 Check Your Dimensions Before Ordering

Battery cases are not universally interchangeable.

Before ordering, compare the case with your existing battery enclosure and verify:

• Overall case dimensions

• Cell layout

• Mounting points

• Battery compartment space

• Controller clearance

• BMS placement

• Charging-port location

• Discharge connector location

• Key/lock requirements

• Frame mounting location

The maximum 70-cell specification does not guarantee that every 70-cell configuration will physically fit.

---

⚠️ Lithium Battery Safety

Building lithium-ion battery packs requires appropriate tools, materials, and knowledge.

Incorrect cell matching, welding, insulation, BMS selection, wiring, or charging can create a serious fire or electrical hazard.

Use properly matched cells and an appropriate BMS. Never use damaged, swollen, leaking, or unknown-condition cells.

If you are not experienced with lithium-ion battery assembly, have the pack professionally built.

---

❓ Frequently Asked Questions

Does this product include 18650 batteries?

No. This listing is for the Silver Fish battery case/shell. 18650 cells are not included unless specifically stated in the product option.

How many 18650 cells can it hold?

The supplied specification lists a maximum capacity of up to 70 × 18650 cells. Actual capacity depends on the internal configuration and components installed.

Does it include a BMS?

No. The BMS is not included unless specifically stated in the selected option.

Can I build a 48V battery in this case?

Potentially. A common 48V-class lithium-ion configuration is 13S, but the number of parallel cells depends on the desired Ah capacity and available physical space.

Can I use this for a folding eBike?

It can be suitable for compatible folding eBike applications, provided the case dimensions, mounting system, and battery configuration match your bicycle.

Is this a complete eBike battery?

No. This is a battery enclosure/shell for custom battery construction.

Can I install any 18650 cells?

Use only properly matched, compatible lithium-ion cells from a reliable source. Do not mix unknown, damaged, or incompatible cells.

---

🔋 Build Your eBike Battery With the Right Components

Whether you're replacing an old battery shell or building a custom lithium-ion pack, this Silver Fish Battery Case provides a large enclosure for compatible 18650 cell configurations.

For eBike batteries, chargers, locks, cases, and electrical components, visit ChargeMyEBike.com.

Browse more eBike Battery Locks & Keys and other eBike battery accessories.

Power Your Ride. Charge Anywhere. Ride Longer.

---

eBike Battery Case, 18650 Battery Box, eBike Battery Box, Silver Fish Battery Box, 18650 Battery Case, Electric Bike Battery Case, Folding eBike Battery Case, DIY eBike Battery Case, Lithium Battery Shell, eBike Battery Shell