36V LiPo Battery Charger 42V 4A | Fast and Reliable Charging for 36V LiPo Batteries

The 36V LiPo battery charger 42V 4A is engineered to charge 36V lithium polymer battery packs efficiently and safely. Delivering 42V DC at 4A, it ensures fast charging speed while protecting battery health for longer cycle life.

Application

• E-Bikes, Scooters & Micromobility: Works flawlessly as a stable 42V 4A electric scooter battery charger, shortening vehicle downtime for urban shared mobility fleets and commercial e-bike networks.
  
• Premium Electric Skateboards (Esk8): Operates as a compact, low-ripple 10S lithium Esk8 electric skateboard charger partner, maintaining a precise voltage topology that prevents cell degradation across competitive boards.
  
• Industrial Robotics & AGV Automation: Ideal for automation, serving as a reliable 42V 4A smart charger for 36V robotics requiring a silent, fanless design to prevent workplace dust accumulation.

Key Specifications

• Input Voltage: AC 100–240V, suitable for worldwide use
• Output Voltage: 42V DC (for 36V LiPo batteries)
• Output Current: 4A (fast charging capability)
• Charging Power: Up to 168W
• Efficiency: Advanced switching technology for reduced energy loss
• Protection: Over-voltage, over-current, short-circuit, reverse polarity
• LED Indicators: Charging and fully charged status
• Cooling: High energy efficiency, small temperature rise, natural cooling, no cooling fan, no heat dissipation holes, safe, and silent operation.
• Safety Certifications: CE, GS, UKCA, SAA, PSE, UL, cUL, KC, CCC

Parameter	Details
Input Voltage	AC 100-240V, 50/60Hz (universal compatibility)
Output	36V Lipo Charger (42V 4A)
Charging Mode	3-stage (CC/CV/Trickle)
Compatibility	10S LiPo/Li-ion Batteries (36V nominal)
Protection Features	OVP, OCP, SCP, Reverse Voltage Protection
LED Indicators	Red (Charging), Green (Fully Charged)

Professional 3-stage Charging Technology for 36V Li-ion Battery Packs

Advantages

 This 42V 4A charger for 36V LiPo batteries offers:

• Optimized output for safe and fast charging
• Compact, lightweight, and portable design
• Multi-protection safety system
• Durable build quality and long service life

Applications

The 36V LiPo battery charger 42V 4A is widely used for:

• E-Bikes & Mobility Devices: The ideal fast 42V 4A electric scooter battery charger, shortening downtime for micro-electric mobility devices
• Industrial Robotics & AGV: A reliable 42V 4A charger for 36V robotics featuring a silent, fanless design to prevent workplace dust accumulation.
• Electric Skateboards (Esk8): High-current, compact charging platform widely used by 10S lithium Esk8 premium brands.
• Backup energy storage systems

Related 36V LiPo Battery Charger

• 42V 2A Charger
• 42V 3A LiPo Charger
• 42V 5A Charger
• 42V 7A Charger
• 42V 10A Charger

Explore more 42V LiPo battery chargers»

Why Choose Henryuan?

Henryuan is a trusted manufacturer of high quality LiPo chargers, certified to meet global safety and performance standards. Our 36V LiPo battery charger 42V 4A ensures efficient, safe, and long-lasting charging performance for both personal and professional use.
Q&A

Q: I have a 36V e-bike pack, but the charger is labeled 42V. Is this safe, or will it fry my battery?

A: It’s not only safe—it’s an absolute electrical requirement. "36V" refers to the nominal (average) voltage of your lithium-ion pack, which is typically constructed in a 10S configuration (10 cell rows connected in series).

While a single lithium cell sits at roughly 3.6V or 3.7V when half-depleted, it requires exactly 4.2V to reach a true 100% state of charge. If you multiply those 10 series cells by 4.2V, your maximum charge is exactly 42.0V. Attempting to charge a 36V pack with a 36V charger would leave your battery permanently undercharged.

Q: How does Henryuan’s 3-stage algorithm manage the "Trickle" phase to prevent overcharging and cell degradation?

A: Unlike crude consumer chargers that either cut off abruptly or force a destructive, static maintenance current, Henryuan’s 168W charging topology handles the tail-end cycle through pure physics-driven automation.

During the Third Stage (Trickle Current), the current is never fixed. Instead, as the 36V battery pack approaches its maximum saturation, the potential difference between the charger’s open-circuit voltage (42V) and the battery pack shrinks to near zero. Consequently, the trickle current naturally and gradually decays until it drops to exactly 0A the very moment the battery voltage perfectly equalizes with the charger’s maximum ceiling.

This self-limiting, decaying micro-current yields three massive engineering advantages:

• Compensates for Self-Discharge: It perfectly offsets the pack’s natural internal leakage, locking in a true 100% capacity saturation.
  
• Drops Thermal Volatility: Because the current ramps down toward zero, the internal I2R resistive heating is eliminated, allowing both the charger and battery temperatures to smoothly cool down.
  
• Guarantees Anti-Overcharge Safety: Once the potential difference hit zero, all current flow ceases entirely, making it physically impossible to overcharge the cells—even if left plugged in overnight.

Q: This 168W charger doesn’t have a built-in cooling fan. How does it stay safe under a continuous 4A load?

A: The lack of a mechanical cooling fan is actually a premium longevity feature. Active cooling fans are notorious failure points in e-mobility and industrial environments because they suck in dust, metallic debris, and moisture, which eventually seizes the bearings and burns out the power supply.

The Henryuan 42V 4A charger utilizes a high-efficiency synchronous rectification switching topology paired with heavy internal aluminum heatsinks to dissipate thermal energy naturally through convection. Because the internal circuitry operates at superior efficiency thresholds (91\%), it doesn't require a fan to stay well within safe operational parameters—making the unit completely silent, highly reliable, and immune to dust-choking.

Q: Can this 42V 4A charger be customized for different global markets and fleet connection interfaces?

A: Yes, fully. The 168W charger is incredibly versatile. We can outfit the AC side with fixed wall plugs for any global grid (US, EU, UK, AU, JP, or KR).

On the DC output side, we offer heavy-duty overmolded strain reliefs fitted with virtually any industrial connector your product specs require—including standard 3-Pin/4-Pin XLR, GX16 aviation plugs, high-amperage Anderson powerpoles, or coaxial DC barrels.

Q: Does this charger carry legitimate safety certifications for cross-border B2B compliance?

A: Absolutely. This is non-negotiable for brand protection and legal import clearance. The Henryuan 42V 4A charger maintains active, fully traceable global certifications including UL/cUL (North America), CE/TUV GS (Europe), SAA/RCM (Australia/New Zealand), PSE (Japan), and UKCA (United Kingdom).

Detailed Technical Specifications of 42V 10S Lithium Charger Range

• UL certified 42V 4A battery charger
  
• CE SAA PSE approved 36V LiPo charger
  
• 10S 36V LiPo Li-ion battery charger 42V 4A
  
• 3 stage CC CV trickle 42V 4A smart charger
  
• 42V 4A electric scooter battery charger
  
• 36V 10S E-bike battery charger wholesale
  
• OEM 42V 4A Li-ion battery charger factory
  
• Custom DC connector 42V 4A charger supplier