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- dafuli01@ebikeserviceparts.com
Hailong I down tube ebike lithium battery pack, 36V 12.5Ah NCM 10S5P, 450Wh for max 450W ebike kit. Built-in BMS, mechanical key lock, 4 LED power indicator, DC2.1 charging port. Fits standard Hailong down tube bracket, custom discharge connector available. Finished ready-to-use battery.
This is a fully assembled Hailong style down tube ebike lithium battery pack, NCM 18650 cells with 10S5P configuration, nominal 36V 12.5Ah, total energy 450Wh. It is a popular replacement battery for electric bicycle conversion kits, mounted on bike down tube with matching hailong battery bracket.
Fit for Mifa, Vaun, Prophete, Avocet, Viking, Lectro, Byocycles, Tianneng, Bafang BBS, TONGSHENG TSDZ2B TSDZ8 TSDZ16.
| Parameter | Spec |
|---|---|
| Model | Hailong I SSE-046 Ebike Battery |
| Chemistry | NCM Lithium-ion 18650 |
| Nominal Voltage | 36V |
| Capacity | 12.5Ah |
| Energy | 450Wh |
| Cell Configuration | 10S5P |
| Max Supported Motor Power | 450W |
| Charging Port | DC2.1, max charging current ≤3A |
| Discharge Connector | 4Pin custom port / Optional Anderson connector |
| Battery Indicator | 4-level LED power display |
| Lock | Mechanical key safe lock |
| Shell Material | PC+ABS |
| Dimension | 367.5 × 90.3 ×89.5mm |
| Cycle Life | ≥80% remaining capacity after 800–1000 cycles |
| Charge Temperature | 0℃ ~ 45℃ |
| Discharge Temperature | -20℃ ~ 65℃ |
✅ Hailong Classic Down Tube Design: Standard Hailong I form factor, installs on bicycle down tube with compatible hailong mounting base.
✅ NCM 10S5P 450Wh High Capacity: 36V 12.5Ah provides long riding range, works for ebike kits up to 450W.
✅ Built-in BMS Protection: Protects battery against overcharge, over-discharge, over-current, short circuit and overheating.
✅ Mechanical Anti-theft Key Lock: Secure the battery on frame; unlock and remove battery easily for indoor charging.
✅ 4-Level LED Power Display: Quick check remaining battery level at a glance.
✅ Durable PC+ABS Housing: Shock-resistant and water splash resistant shell for daily cycling use.
✅ Plug & Play Finished Battery: Pre-assembled battery pack, ready for ebike conversion kit installation.
1 × Hailong 36V 12.5Ah Ebike Battery Pack 2 × Anti-theft Keys
Charger and mounting bracket sold separately.
Perfect replacement battery for DIY ebike builders, ebike repair shops and wholesale buyers for 36V 450W electric bike conversion kits.
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.
