- No. 43, Yushan Road, Huqiu District, Suzhou City, Jiangsu Province, China
- +8613671928471
- dafuli01@ebikeserviceparts.com
DC-2C & DC-21700-2C Reention Cuttle water bottle ebike battery case, DIY lithium battery shell for 18650 /21700 cells. With controller box, tri-color LED, USB & DC2.1 port, build custom 24V 36V e-bike battery pack.
This is Reention Cuttle (Haitu) water bottle shaped ebike battery housing, available in two versions: DC-2C for 18650 cells and DC-21700-2C for 21700 cells. This empty battery shell is specially designed for DIY e-bike enthusiasts to assemble custom lithium battery packs, built with reserved controller box space for 6-mosfet controller PCB.
✅ DC-2C (For 18650 Cells) Max 21pcs 18650 cells; Support 24V 10.5Ah /36V 7Ah; Dimension:326×214mm; Discharge port:2Pin, optional 3Pin high current port
✅ DC-21700-2C (For 21700 Cells) Max 21pcs 21700 cells; Support 24V15Ah /36V10Ah; Dimension:347×230mm; Discharge port:6Pin, optional 3Pin high current port
Perfect for DIY 24V /36V ebike lithium battery pack assembly, e-bike repair shop replacement shell, custom battery rebuild project, compatible with water bottle mount e-bikes including Ride1Up Roadster, Apollo Phaze.
Note: This listing is for empty battery case only. Battery cells, BMS, controller are NOT included unless selected.
| Item | DC-2C | DC-21700-2C |
|---|---|---|
| Model | DC-2C | DC-21700-2C (NEW Cuttle) |
| Supported Cell | 18650 | 21700 |
| Max Cells Quantity | 21pcs | 21pcs |
| Max Capacity | 24V10.5Ah /36V7Ah | 24V15Ah /36V10Ah |
| Charging Port | DC2.1, opt.3Pin high current | DC2.1, opt.3Pin high current |
| Discharge Port | 2Pin | 6Pin |
| LED Indicator | Single tri-color LED | Single tri-color LED |
| USB Port | With | With |
| Power Switch | Without | Without |
| Controller Box | With (fit 6 mosfets PCB) | With (fit 6 mosfets PCB) |
| Size L1*L2 | 326×214 mm | 347×230 mm |
| Optional Parts | spring lock SDP0028, base block PLA0288 | spring lock SDP0028, base block PLA0288 |
1 × Empty Cuttle water bottle battery case (shell+plastic bracket+lock set) BMS, cells, controller, cables are sold separately
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.
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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.
