Home » Polly Downtube Ebike Battery Box / Case Housing (DP-5 / DP-5C) for 36V/48V/52V 18650 Cells
A 48V with bracket
Polly downtube ebike battery box DP-5 case housing
DP-5C electric bike battery enclosure for 18650 cells
Empty Polly battery case for 36V 48V 52V e-bike builds
Downtube mounting e-bike battery box with lock
Polly battery housing fitting 50pcs 18650 cells
Custom e-bike lithium battery case DP-5
B 36V no bracket
A 36V with bracket
A 48V no bracket
A 36V no bracket
B 52V with bracket
B 48V with bracket
B 52V no bracket
B 36V with bracket
B 48V no bracket
A 48V with bracket
Polly downtube ebike battery box DP-5 case housing
DP-5C electric bike battery enclosure for 18650 cells
Empty Polly battery case for 36V 48V 52V e-bike builds
Downtube mounting e-bike battery box with lock
Polly battery housing fitting 50pcs 18650 cells
Custom e-bike lithium battery case DP-5
B 36V no bracket
A 36V with bracket
A 48V no bracket
A 36V no bracket
B 52V with bracket
B 48V with bracket
B 52V no bracket
B 36V with bracket
B 48V no bracket

Actual colors may differ slightly from photos due to lighting and screen settings.

Polly Downtube Ebike Battery Box / Case Housing (DP-5 / DP-5C) for 36V/48V/52V 18650 Cells

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$62.62
In stock
Usually ships within 24 hours
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Ready to work out of the box!

Includes all key accessories and simple setup instructions for quick start!

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Expected arrival within 12–18 days

Build your custom electric bike battery with the durable Polly Downtube Battery Case Housing (DP-5 / DP-5C series). Compatible with 36V, 48V, and 52V configurations, this empty battery box is engineered to securely fit 40, 50, or 52 pieces of 18650 cells. Features a built-in power switch, discharge port, security lock, and LED power indicator for a clean, professional e-bike build.

  • Product Type: E-Bike Battery Enclosure / Case Housing

  • Model Series: Polly DP-5 / DP-5C Downtube Case

  • Voltage Compatibility: 36V, 48V, 52V systems

  • Cell Capacity: Designed for 40pcs, 50pcs, or 52pcs of 18650 lithium battery cells

  • Mounting: Downtube frame mount

  • Features: Integrated security lock, power switch, discharge connector, and battery level indicator

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