
DAFULI POLLY DP‑9C down tube ebike battery 36V/48V/52V 10‑31.5Ah, genuine Grade A 18650 cells, smart & standard BMS(UART/CAN/RS485), 3C discharge, 4Pin port, for e‑bike, scooter, wheelchair, golf cart.
This side-release down-tube lithium battery pack DP‑9C DP-9 from DAFULI is built for multiple light mobility equipment. Adopted aluminium 6061+PC+ABS composite shell, equipped with genuine new Grade A 18650 cells. Voltage options cover 36V /48V /52V, capacity from 10Ah up to 31.5Ah. It supports 3C discharge rate, optional smart BMS with UART, CAN, RS485 communication or standard BMS. Comes with 4 pin discharge port and optional custom connector. Passed CE, RoHS, MSDS, UN38.3 certifications, ideal power supply for electric bicycles, scooters, wheelchairs, golf carts and light motorcycles.
✅ Electric Bicycles ✅ Electric Scooters ✅ Wheelchairs ✅ Golf Carts ✅ Light electric motorcycles
| Parameter | Value |
|---|---|
| Product Model | DP‑9C & DP-9 |
| Brand | DAFULI |
| Battery Type | Lithium Battery Pack |
| Cell | Genuine New Grade A 18650 Cells |
| Nominal Voltage | 36V / 48V / 52V |
| Capacity | 10‑31.5Ah |
| Internal Configuration | 10S8P,10S9P,13S6P,13S7P,14S6P |
| BMS | Smart(UART,CAN,RS485) & Standard BMS |
| Discharge Rate | 3C discharge |
| Recommended Charger | 3A |
| Battery Position | Down Tube |
| Battery Style | Downtube Side Release |
| Shell Material | Aluminium 6061 + PC + ABS |
| Discharge Port | 4 Pin, Connector Optional |
| Dimension | L368 * W90 * H141mm |
| Single Gross Weight | 2.7kg |
| Single Package Size | 40×30×20 cm |
| Cycle Life | 800‑1000 Cycles |
| Certifications | CE / RoHS / MSDS / UN38.3 |
| Warranty | 12‑24 months |
1 × DAFULI POLLY or DP‑9C DP-9 Down Tube Lithium Battery Pack 1 × Mounting Base Plate *Note: Charger is not included, can be purchased separately.
✅ Genuine Grade A 18650 Cells: Brand new Grade‑A 18650 lithium-ion cells, stable power output and excellent consistency.
✅ Dual BMS Selection: Standard BMS or smart BMS with UART/CAN/RS485 available, supports real-time battery data monitoring and full multi-protection.
✅ 3C Discharge Performance: Stable 3C discharge capacity, supports motors from 250W to 1000W, satisfies high current demand.
✅ Premium Composite Shell: Aluminium 6061+PC+ABS housing, impact-resistant and durable for long outdoor use.
✅ Side-Release Lock Design: Classic downtube quick-release structure with anti-theft lock, easy to install and remove, matched 4 pin discharge port, custom connector available.
✅ Wide Application: Works for e-bikes, scooters, wheelchairs, golf carts and light electric vehicles. Full set certifications for global shipment.
Brand: DAFULI
Product Name: DP‑9C DP-9 Down Tube Ebike Lithium Battery Pack
Cell: Genuine New Grade A 18650 Cells
Voltage: 36V / 48V / 52V
Capacity:10‑31.5Ah
Configuration:10S8P,10S9P,13S6P,13S7P,14S6P
BMS: Smart(UART,CAN,RS485) & Standard BMS
Discharge Rate:3C discharge
Charger:3A (not included)
Shell: Aluminium 6061+PC+ABS
Discharge Port:4 Pin, optional connector
Dimension:L368 * W90 * H141mm
Single Gross Weight:2.7kg
Package Size:40×30×20 cm
Certifications: CE / RoHS / MSDS / UN38.3
Cycle Life: 800‑1000 Cycles
Warranty:12‑24 months
Color: As shown in the picture
Package: 1 × DP‑9C battery pack + 1 × mounting plate
Please confirm voltage, capacity and connector requirement before placing order to avoid incompatibility.
Minor color differences may appear due to lighting conditions and screen display variations.
Charger is not included in standard package. Custom connector and bulk‑order service are available.
Ideal battery replacement for ebike repair shops, DIY rebuilders and wholesale distributors.

We specialize in mid-drive motors and e-bike parts. Strict testing, powerful R&D and flexible OEM service guarantee long-term cooperation.
It used to take me weeks to hunt down hard‑to‑find e‑bike spare parts. Their compatibility‑check technical support saved me countless repair headaches. Reliable supplier I can always count on.

For more FAQs and further details, please get in touch with us
We supply genuine OEM parts and premium compatible aftermarket replacement parts for e-bikes, including motor components, controllers, throttles, PAS sensors, wiring harnesses, connectors and Bosch form-factor batteries.
We serve mainstream drive system manufacturers: Ananda, Bafang, Aikema, Tongsheng, Shengyi, Bosch and more. We also provide repair components for complete e-bike brands including Sur‑Ron, Aventon, Trek and many others.
All items are brand-new and inspected before shipment. We do not supply second-hand or refurbished goods.
Our team verifies compatibility according to your bike model, motor info or original part photos. We confirm available OEM parts or recommend workable alternative solutions.
Yes. Flexible order sizes are supported, ranging from single spare parts to bulk purchases.
Sea freight, air freight and rail transport are optional.
Lead time varies by item and shipping mode. We confirm exact timelines before each order and share tracking updates.
We provide part identification, model matching and full order follow-up support.
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