Down tube Empty Battery Case for Polly DP6 E-Bike – DIY or Repair Use(no battery inside)
Material: ABS Plastic
Color: Black
Dimensions: L386mm × W90mm × H113mm
Mechanism: Push-to-release design with mechanical lock
Max Capacity: Holds up to 70 pieces of 18650 battery cells (batteries not included)
Suggestion pack: 18650 13S5P 48V or 18650 14S5P 52V battery
What’s Included:
This is an empty battery case, withthe 18650 cell holders. It also comes with a mounting plate and 2 keys.
You will receive:
Empty Battery Case Only (includes cell holder, no batteries, no nickel strips included)
Options:
1- Box with 48V power indicator
2- Box with 52V power indicator
Additional parts:
1- 13S5p nickel-plated strip, 0.15mm thickness
2- 14S5P nickel-plated strip, 0.15mm thickness
Important Notes:
1- This product is intended for users experienced in battery pack assembly; you need to know how to do the nickel strip spot welding & wiring. We do not provide DIY tutorials or technical support.
2- Please allow a size tolerance of 1–3mm due to measurement differences.
3- Slight color variations may occur depending on lighting and screen settings.

kitja442 –
The product is exactly as advertised, delivery was very fast, and the price is very affordable. However, I haven’t tested it yet.