- No. 43, Yushan Road, Huqiu District, Suzhou City, Jiangsu Province, China
- +8613671928471
- dafuli01@ebikeserviceparts.com
36V/48V down tube e-bike battery 10.4Ah–14Ah for ENVO D35, Cannondale Adventure Neo Allroad EQ & compatible bikes. 18650/21700 Grade A cells, 6-layer BMS protection, USB & power display, fits 250W–1000W motors, 412×92×92mm.
Compatibility
✅ ENVO D35 / D35 ST / ST / ST35 E-bikes & ENVO Conversion Kits
✅ Cannondale Adventure Neo Allroad EQ
✅ GT Power Performer
✅ RAEV Bullet GT
✅ Also fits 36V/48V 250W / 350W / 500W hub and mid-drive systems (up to 1000W)
| Parameter | Value |
|---|---|
| Nominal Voltage | 36V / 48V (optional) |
| Capacity Options | 36V: 10.4 / 11.6 / 12.8 / 14Ah; 48V: 7.8 / 8.7 / 9.6Ah |
| Battery Size | 412 × 92 × 92 mm |
| Composed Type | 10S4P (36V) / 13S3P (48V) |
| Cell Type | 18650 (40 pcs) or 21700 (30 pcs) |
| Cell Brand | Japan / Korea brand or China Grade A (selectable) |
| Discharge Current | 20A / 30A (customizable) |
| Cycle Life | ≥1000 cycles (80% after 800–1000 cycles) |
| Charger | 42V 2–3A |
| Battery Position | Down Tube |
Key Features
✅ Drop-in Replacement: 412×92×92mm down tube form with safety lock and standard connector, designed for direct installation on ENVO D35/ST/ST35 and compatible frames.
✅ Automotive-Grade Cells: Selectable Japan/Korea brand or China Grade A 18650/21700 cells, 10S4P (36V) or 13S3P (48V) pack configuration, delivering consistent power and long service life.
✅ Multi-Capacity Options: Choose 10.4Ah, 11.6Ah, 12.8Ah or 14Ah to match your riding range and budget.
✅ 6-Layer BMS Protection: Over-charge, over-discharge, over-current, short-circuit, over-temperature and cell balance protection keep the pack safe in every condition.
✅ Practical Design: Built-in power display, USB charging port, charging & discharge ports and anti-theft safe lock.
| Specification | Value |
|---|---|
| Product Name | Down Tube Li-ion E-bike Battery Pack |
| Nominal Voltage | 36V / 48V (optional) |
| Capacity | 36V: 10.4–14Ah; 48V: 7.8–9.6Ah |
| Battery Size | 412 × 92 × 92 mm |
| Composed Type | 10S4P (36V) / 13S3P (48V) |
| Cell Type | 18650 (40pcs) / 21700 (30pcs) |
| BMS Protection | Over-charge / Over-discharge / Over-current / Short-circuit / Over-temperature / Balance |
| Discharge Current | 20A / 30A |
| Charge Voltage | 42V |
| Charger | 2–3A |
| Cycle Life | ≥1000 cycles |
| Operating Temperature | Charge 0~45℃, Discharge -20~60℃ |
| Storage Temperature | -10~40℃ |
Important Notes
• Please confirm your motor model, voltage and battery connector before ordering to ensure compatibility.
• Minor color differences may occur due to lighting conditions and screen display variations.
• Cell brand and capacity are selectable — please specify your requirement when ordering.
• Only the listed items are included; accessories shown in reference images may not be part of the package.
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.
