Best 42 Volt Battery Charger Options for 36V E-Bikes and Scooters
Finding the right 42V, 2A charger ensures safe, efficient charging for 36V lithium battery packs used in electric bikes and scooters. This guide reviews five reliable options, highlighting compatibility, connector types, and safety features. Each product is evaluated for common 36V systems, with attention to plug size, input range, and charging indicators to help you choose with confidence.
Summary of selected products
| Product | Brand | Connector Type | Key Features | Amazon Link |
|---|---|---|---|---|
| Jucuwe 42V 2A DC Adapter | Jucuwe | 5.5×2.1/2.5 mm single-prong | Two-color charging indicator; universal input 100-240VAC | Link |
| VHBW 42V 2A Electric Scooter Charger | vhbw | Round barrel (5.5×2.1mm) | Broad compatibility with Gotrax and similar 36V systems; long cord | Link |
| EVAPLUS SGS 42V 2A Fast Charger | EVAPLUS | Three connector types (5.5×2.1mm, 8mm mini 3-prong, 5.5×2.5mm female DC) | Three-connectors in one; SGS certified; versatile for 36V systems | Link |
| BOEEA 42V 2A 7-Plug Charger | BOEEA | 7-in-1 including 5.5×2.1mm, 5.5×2.5mm, 9mm mini 3-prong, 12mm 3-prong, RCA/XLR | Universal compatibility; multiple safety protections | Link |
Jucuwe 42V 2A DC Power Adapter

The Jucuwe charger is designed for 36V lithium battery packs used in electric bikes and E-scooters. It features a 42V output at 2A and accepts input from 100-240VAC. The single-prong plug measures 5.5×2.1/2.5mm. A two-color charging indicator signals charging (red) and full charge (green). This model is not suitable for batteries under 36V or other voltage configurations.
VHBW 42V 2A Electric Scooter Charger

The vhbw charger provides 42V at 2A with a round barrel tip. It is marketed for a wide range of 36V electric scooters and bikes, including several Gotrax models. It specifies compatibility with numerous 36V lithium-ion systems and emphasizes a long power cord (9.8 feet). It excludes 24V and some higher voltage variants, so users should verify their battery rating before use.
EVAPLUS SGS 42V 2A Fast Charger

The EVAPLUS charger is SGS certified and ships with three connector types: a standard 5.5×2.1mm, a 3-prong mini, and a 5.5×2.5mm female DC interface. It is designed for 36V lithium batteries used in Pocket Mods and various electric scooters. It states compatibility exclusions for 24V, 25.2V, and 29.4V systems. The unit emphasizes universal compatibility and efficient charging, suitable for many 36V packs.
BOEEA 42V 2A 7-Plug Universal Charger

This 7-in-1 charger supports 42V 2A output and includes multiple connectors to accommodate a range of 36V lithium battery packs. The package includes 5.5×2.1mm and 5.5×2.5mm DC plugs, plus 9mm and 12mm three-prong heads, RCA, and XLR options. Safety features include over-current, over-temperature, and short-circuit protections. It is advertised as suitable for brands like Razor, Jetson, Gotrax, and others, though users should confirm their exact battery interface before use.
Fancy Buying SGS 42V 2A Charger With 7 Plugs

The SGS-certified 42V 2A charger from Fancy Buying features seven heads, including 5.5×2.5mm and 5.5×2.1mm interfaces, a 9mm 3-prong head, a 12mm 3-prong head, and an XLR option. It supports Li-ion 36V packs and includes protective circuitry for safe charging. The unit notes a normal fan operating sound during use, which is considered typical for cooling in some multi-connector chargers.
VHBW 42V Charger for Jetson Electric Bikes

This VHBW model is tailored for Jetson electric bikes and similar 42V systems. It offers a 42V output with selectable current options up to 2A and supports multiple plug sizes, including 5.5×2.1mm and 2.5mm coaxial variants. It emphasizes reliability for Jetson models and related scooters, serving as a convenient OEM-style replacement option for compatible bikes.
JX-IWANER 42V 2A Charger for 36V Systems

Designed for 36V scooter Li-ion packs, the JX-IWANER charger uses a 5.5mm DC plug with a 2A output. It accepts 100-240VAC input and is explicitly not for lead-acid batteries. The product highlights a universal 5.5mm 1-prong plug and cautions users to verify the connector interface and battery voltage before purchasing.
Buying Guide: Key Purchase Considerations
- Battery compatibility: Confirm that the charger targets 36V Li-ion packs and does not support lead-acid configurations to avoid damage or safety risks.
- Connector type: Match the plug size and type (5.5×2.1mm, 5.5×2.5mm, mini 3-prong, RCA/XLR, etc.) to your battery’s inlet.
- Current and speed: A 2A output is common for 36V packs; ensure the charger’s current rating aligns with your battery’s recommended charging rate to optimize life and charging time.
- Input range: A wide input range (100-240VAC) enables use in different regions and with various power sources.
- Safety features: Look for over-current, over-voltage, over-temperature protection, and short-circuit safeguards. A charging indicator (red/green) helps monitor progress.
- Build and certification: SGS or equivalent certifications indicate adherence to quality and safety standards.
- Connector versatility: Multi-plug chargers offer flexibility across multiple devices, but verify compatibility for your exact model and voltage.
- Physical considerations: Cable length and overall size may affect convenience for home charging or on-the-go use.
- Brand and warranty: Reputable brands with clear return or replacement policies reduce risk if issues arise.
When selecting a charger, compare how each option aligns with your bike or scooter model’s specifications, especially battery voltage, connector type, and recommended charging current. For travelers or households with multiple devices, multi-plug and universal options can simplify charging across several 36V Li-ion systems.