Golden Lion JS2B Adjustable Ultra-Fast Charger 3000W 72V-84V 15A

Golden Lion JS2B 3000W Adjustable Ultra-Fast Charger – 72V (84V) – 3A to 15A (OLED screen + dial)

The 72V – 3A to 15A adjustable charger for the Golden Lion JS2B 3000W electric scooter is designed for its 72V 40Ah lithium-ion battery. Its regulated 84V output ensures a stable recharge tailored to the scooter's 72V architecture.

For overnight charging, select a gentle intensity of 3A or 5A. When you need to quickly recover range, the dial allows you to gradually increase up to 15A. Adjusting the current allows you to adapt the charging speed to your usage and prioritize battery longevity when time permits.

The aluminum housing with active cooling facilitates heat dissipation. The OLED screen displays the charged capacity, battery voltage, and selected current in real time. Adjustment is easily performed using a rotary dial.

🛵 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: 84V for 72V lithium-ion battery – 20S
• Charging current: adjustable from 3A to 15A
• Adjustment: rotary dial
• Display: OLED screen showing charged capacity, voltage, and current
• Battery type: 72V lithium-ion
• Compatible capacity: 40Ah
• Connectivity: original Golden Lion JS2B connector
• Cooling: active ventilation and heat-dissipating aluminum housing
• Protections: overload, short-circuit, reverse polarity, and overheating

⏱️ Estimated charging times

Golden Lion JS2B 3000W – 72V 40Ah battery:

• 3A: approximately 13h to 14h
• 5A: approximately 8h to 9h
• 10A: approximately 4h30 to 5h
• 15A: approximately 3h to 3h30

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

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

• Adjustment from 3A to 15A: precisely adapt the recharge speed
• 3A mode: gentle recharge suitable for overnight use
• 5A mode: excellent compromise between speed and longevity
• 10A mode: fast recharge
• 15A mode: ultra-fast recharge in approximately 3h to 3h30
• OLED screen: real-time charge monitoring
• Adjustment dial: simple and precise selection
• Active cooling: limits overheating
• Original Golden Lion connector: direct plug-in for the JS2B

🔒 Safety and compatibility

A 15A charge represents approximately 0.38C for a 72V 40Ah battery. The charger maintains a regulated voltage of 84V and also allows for the selection of 3A, 5A, or 10A for a more gradual recharge.

Tip: After using the scooter, let the battery cool down for 30 to 60 minutes before a fast charge at 10A or 15A.

❓ FAQ – Golden Lion JS2B 3000W 72V adjustable charger

Is this charger compatible with the Golden Lion JS2B 3000W scooter?

Yes. This charger is designed for the 72V 40Ah battery of the Golden Lion JS2B 3000W, with a final voltage of 84V and the original connector shown in the photos.

How do I adjust the charging current?

The rotary dial allows you to select an intensity between 3A and 15A. The OLED screen displays the chosen current.

How long does it take to fully charge the battery?

For a 72V 40Ah battery, allow approximately 3h to 3h30 at 15A, 4h30 to 5h at 10A, 8h to 9h at 5A, and 13h to 14h at 3A.

Does the charger have active cooling?

Yes. The active ventilation combined with the aluminum housing helps maintain a stable temperature during charging.

Is the charger covered by a warranty?

Yes. Each unit is tested before shipping and comes with a 2-year warranty.

📩 Support

Need advice or a compatibility check? Contact us at contact@source-it.fr.

*Photos are for illustrative purposes only – Source’IT.