Electro City Bikes
36V Battery Hailong
36V Battery Hailong
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36V HaiLong E-Bike Batteries – Reliable Power for 250W / 350W / 500W Motors
Our 36V HaiLong downtube batteries are built for long-lasting performance and are ideal for 250W, 350W and selected 500W e-bike motors. Designed with a high-quality smart BMS, key-lock security, improved connector design, and an included charger, these batteries deliver dependable power for daily commuting and leisure riding.
Mileage Estimates – 36V HaiLong Battery Range
36V 13Ah
| Motor | Throttle Range | PAS Range |
|---|---|---|
| 250W | 50 km | 80 km |
| 350W | 40 km | 70 km |
| 500W | 35 km | 60 km |
36V 15.6Ah
| Motor | Throttle Range | PAS Range |
|---|---|---|
| 250W | 55 km | 90 km |
| 350W | 45 km | 80 km |
| 500W | 40 km | 70 km |
36V 20Ah
| Motor | Throttle Range | PAS Range |
|---|---|---|
| 250W | 60 km | 120 km |
| 350W | 55 km | 110 km |
| 500W | 50 km | 100 km |
36V 24Ah
| Motor | Throttle Range | PAS Range |
|---|---|---|
| 250W | 60 km | 120 km |
| 350W | 55 km | 110 km |
| 500W | 50 km | 100 km |
All mileage figures are conservative estimates. Real-world range will vary depending on rider weight, terrain, wind, tyre pressure, temperature and riding style.
Compatibility
These 36V HaiLong batteries are compatible with both mid-drive motors and hub motors that operate on a 36V system. They can be used as replacements or upgrades for most standard 36V e-bike setups.
The updated HaiLong connector uses protected, gold-plated pins to help prevent bending and reduce resistance for better reliability.
Battery Features
- Smart BMS with over-voltage, over-current, over-discharge and short-circuit protection
- Anti-theft key lock to secure the battery to the mounting plate
- Built-in USB charging port for phones or accessories
- LED power indicator to quickly check remaining charge
Package Includes
- 1 × HaiLong 36V Battery
- 1 × Charger
- 1 × XT60 Cable
- 1 × Waterproof Bag
FAQ
Are these mileage figures exact?
No — they are realistic, conservative estimates. Your actual range will depend on speed, rider weight, terrain, weather, tyre pressure and how much you use throttle vs. pedal assist.
Which motors are these 36V batteries best for?
They are best suited for 250W, 350W and some 500W e-bike motors that run on 36V systems, both hub and mid-drive.
Do they come with a charger?
Yes, every HaiLong 36V battery includes a dedicated charger matched to the battery.
Can I use this as a replacement battery?
Yes, as long as your existing e-bike uses a 36V system and there is enough space for the HaiLong case, it can usually be used as a replacement or upgrade.
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