Golden Lion JS2B 3000W 72V-84V 10A Electric Scooter Fast Charger

Golden Lion JS2B 3000W Electric Scooter Adjustable Charger – 72V (84V) – 3A to 10A (OLED screen + dial)

The 72V – 3A to 10A adjustable charger for the Golden Lion JS2B 3000W electric scooter is designed for this 50cc equivalent electric scooter equipped with a 72V 40Ah lithium-ion battery. It provides stable, secure, and perfectly adapted charging for the Golden Lion JS2B 3000W's 72V architecture.

When charging overnight and not in a hurry, you can charge slowly at 3A or 5A, and when you need to charge faster, you can go up to 10A, allowing for much faster charging than a standard charger. Being able to adapt the charging intensity also helps to preserve the battery's lifespan in the long term.

Thanks to its aluminum casing with active ventilation and quality electronics, this charger delivers a perfectly regulated voltage of 84V, limiting heat and ensuring excellent reliability.

Its integrated OLED screen displays the charged capacity, battery voltage, and selected current in real time. Adjustment is made via a rotary dial, which is simple and precise.

🛵 Compatible Golden Lion Scooter

• Golden Lion JS2B 3000W – 72V 40Ah lithium-ion battery

The Golden Lion JS2B 3000W operates on a 72V (20S) architecture with a final charging voltage of 84V.

🔧 Technical Specifications

• Output voltage: 84 V (72 V Li-ion battery – 20S)
• Charging current: adjustable from 3A to 10A
• Adjustment: rotary dial
• Display: OLED screen (capacity, voltage, current)
• Compatible battery type: 72 V lithium-ion
• Battery capacity: 40Ah
• Connector: original Golden Lion JS2B connector
• Cooling: active – ventilation + aluminum heat sink casing
• Protections: overcharge, short circuit, reverse polarity, overheating

⏱️ Estimated Charging Time

• Golden Lion JS2B 3000W – 72V 40Ah battery
  → 3A: ~13h
  → 5A: ~8h
  → 10A: ≈ 4h30 

Charging times may vary depending on temperature, battery condition, and the final balancing phase of the BMS.

💡 Why choose this 72V Golden Lion JS2B adjustable charger?

✔️ Smart adjustment: 3A (slow), 5A (standard), 10A (fast).
✔️ Battery preservation: adapt power according to your use.
✔️ OLED screen: real-time charging monitoring.
✔️ Adjustment dial: simple and precise.
✔️ Active cooling: limits heating.
✔️ Ideal replacement for the original charger or a premium upgrade.

🔒 Safety and Compatibility

Is this charger safe for the Golden Lion JS2B 3000W?
Yes. A 10A charge represents about 0.25C for a 72V 40Ah battery, which is perfectly suitable for a modern lithium-ion battery. The adjustment also allows for a gentler charge at 3A or 5A to prioritize battery longevity.

Tip: Let the battery cool down for 30 to 60 minutes after use before charging at 10A.

❓ FAQ – Golden Lion JS2B 3000W 72V Adjustable Charger

📩 Need advice or compatibility check? Contact us directly.

*Non-contractual photos.