36V Electric Scooter 42V 10A Battery Charger
10A into 36V (10S) e-scooter packs at 42V, for packs that have to be back in service quickly.
| Input Voltage | 100-240V AC |
|---|---|
| Output | 42V 10A |
Specification sheet
Product Name: 42V 10A Lithium Battery Charger
Application: 36V (10-Series / 10S) Electric Scooter Lithium Battery Packs
1. Product Overview
This high-performance, intelligent fast charger is specifically designed for 36V nominal (42V max, 10S) lithium-ion electric scooter battery packs. Utilizing advanced CC/CV charging algorithms and built-in cooling mechanisms, it delivers rapid, stable, and safe charging while maximizing the overall lifespan and performance of the battery pack.
2. Technical Specifications
Input Characteristics
Rated Input Voltage: AC 100V – 240V (Universal Worldwide)
Input Frequency: 47Hz – 63Hz
Max Input Current: 5.0A (Max)
AC Plug Type: Regional standard (EU / US / UK / AU available upon request)
Output Characteristics
Rated Output Voltage: 42.0V DC (Tailored for 10S 36V Li-ion battery packs)
Rated Output Current: 10.0A (Fast Charging)
Constant Voltage (CV) Cut-off: 42.0V $\pm$ 0.3V
Max Output Power: 420W
Output Connector: Customizable (e.g., Aviation plug, DC plug, XLR, or Anderson connector as per scooter requirements)
3. Charging Profile (CC/CV Method)
Constant Current (CC): The charger outputs a steady 10A high current to rapidly replenish battery capacity while voltage rises safely. (LED Indicator: Red)
Constant Voltage (CV): Once the battery voltage reaches the 42.0V threshold, the charger switches to constant voltage mode, allowing current to taper down smoothly.
Cut-off / Fully Charged: When the charging current drops below the minimum threshold, charging automatically terminates to prevent overcharging. (LED Indicator: Green)
4. Protection Features
Short Circuit Protection (SCP): Automatically protects and recovers once the short circuit condition is removed.
Over-Voltage Protection (OVP): Prevents output voltage from exceeding safe maximum limits.
Over-Current Protection (OCP): Limits excessive output current to safeguard the battery and circuit.
Over-Temperature Protection (OTP): Shuts down or derates power if internal temperatures exceed safe operating bounds.
Reverse Polarity Protection: Protects internal circuitry against improper connection (where applicable).
5. Environmental & Mechanical Specifications
Operating Temperature: -10°C to +50°C
Storage Temperature: -40°C to +70°C
Ambient Humidity: 5% to 95% RH (Non-condensing)
Cooling Method: Built-in DC cooling fan paired with high-efficiency aluminum heat sinks
Housing Material: Durable Anodized Aluminum Alloy Case (Flame-retardant internal components)
Dimensions: Approx. 205 × 121 × 50 mm
Weight: Approx. 1.2 kg
##Frequently Asked Questions (FAQ)
Q1: Can I use this 42V 10A charger for batteries other than 36V (10S) Li-ion packs?
A: No. This charger is specifically calibrated for 36V nominal (10-series) Lithium-ion battery packs. Do not use it for Lead-Acid, LiFePO4 (unless specified), or packs with higher/lower voltage ratings (e.g., 48V or 24V), as this can damage the battery or charger.
Q2: Is a 10A charging current safe for my electric scooter battery?
A: Fast charging at 10A requires your battery pack (and its built-in BMS) to support a 10A charge rate. Please verify with your scooter battery specifications that the maximum recommended charging current is at least 10A.
Q3: What do the LED light indicators mean?
A：Solid Red Light: Charging in progress (Constant Current / Constant Voltage stage).
Solid Green Light: Battery is fully charged or disconnected.
Flashing Red/Green (or No Light): Indicates a fault state, such as reverse polarity, short circuit, or over-temperature protection mode.
Q4: Is it normal for the charger casing and cooling fan to become warm/loud during operation?
A: Yes. Since this is a high-power 420W fast charger, the internal cooling fan will automatically run to dissipate heat. The aluminum casing act as a heat sink and may feel warm to the touch, which is normal behavior. Always operate the charger in a well-ventilated area.
Q5: What should I do if the charger light turns green immediately after plugging in?
A: This usually indicates either:
The battery pack is already fully charged (at or near 42.0V).
The connection between the charger and the battery port is loose or interrupted.
The battery BMS has shut down the charging port due to protection or a blown fuse.
Related models
Other chargers built for the same battery system, from the same factory: