Li-Ion 72V 20S 15A charger for Surron Light Bee, Surron Ultra Bee and Talaria Sting

The Li-Ion charger, with a charging voltage of 84V and a charging current of 15A, is an advanced device designed to efficiently and safely charge batteries used in electric vehicles, e-bikes, scooters and other energy storage systems rated at 72V. The correct selection and use of the charger affects battery life, charging speed and safety of use.

Key specifications of the Li-Ion 72V 20S 15A charger

Charging voltage of 84V to 72V nominal voltage

• Compatible with 20S batteries (20 cells in series)
• Provides optimum charging of cells up to 4.2V

Charging current of 15A

• Fast charging without overheating the battery
• Reduced time required to fully charge the battery

CC/CV (Constant Current/Constant Voltage) charging technology

• Constant current (CC) phase – fast charging until voltage threshold is reached
• Constant voltage (CV) phase – optimal filling of cells with minimum heat build-up

Thermal and electrical protection

• Automatic switch-off in the event of overheating
• Overload and short circuit protection

Benefits of the Li-Ion 72V 20S 15A charger

✅ Rapid charging

With an amperage of 15A, the charger can significantly reduce charging time compared to standard lower amperage models.

✅ Longer battery life

The advanced power management system allows the cells to be charged evenly and safely, reducing battery degradation.

✅ Safe to use

With built-in surge, overcurrent and thermal protection, the user is assured of stable and safe charger operation.

✅ Compatibility with a wide range of electric vehicles

The charger can be used on e-bikes, scooters, scooters and other devices with 84V batteries.

How to choose the best Li-Ion 72V 20S 15A charger?

1. battery compatibility

Before purchasing, make sure that the charger is compatible with the battery technology and parameters, especially in terms of voltage and cell capacity.

2 Energy efficiency

Chargers with high efficiency (>90%) minimise energy loss and reduce operating costs.

3. build quality and safety features

Choosing a reputable manufacturer guarantees high quality components and adequate protection against overload, short circuit or overheating.

4 Cooling system

An efficient ventilation system or passive cooling prevents the charger from overheating and extends its service life.

How to use the Li-Ion 72V 20S 15A charger correctly?

🔹 Avoid overcharging

Do not leave the battery connected to the charger for longer than necessary. Overcharging can lead to cell degradation.

🔹 Charge in a well-ventilated place

Gentle heating may occur during charging, so charging in a space with good air circulation is recommended.

🔹 Regularly check the state of the wiring

Damaged wiring can lead to a short circuit and damage to the battery.

🔹 Avoid extreme temperatures

Do not use the charger in temperatures below 0°C or above 40°C – this can affect charging efficiency.

Summary

The Li-Ion 72V 20S 15A charger is a key part of the EV ecosystem. Its proper selection, proper operation and attention to safe use have a direct impact on the performance and longevity of batteries. By investing in a quality charger, users not only gain speed and efficiency of charging, but also safety and long battery life.

When choosing the best charger, attention should be paid to its compatibility, build quality and safety features to ensure optimal and safe operation. Proper use and regular maintenance is the key to the longevity of both the charger and the battery itself.

Frequently asked questions

The most common problems and their solutions

Problem	Possible cause	Solution
Charger does not switch on	Blown fuse, no power supply	Check power source, replace fuse
Charger overheating	Insufficient ventilation	Ensure better airflow, check cooling
Charging time too long	Damaged cells, low efficiency of the charger	Check the condition of the battery, use a good charger

Customer reviews