Premium On-Board Battery Chargers

Factory-direct high-efficiency OBCs, lithium chargers & EV accessories. Trusted by 50,000+ units annually. Over 20 patents in pulse charging technology.

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23+ Years Experience

Since 1997, serving military and civilian EV markets

50,000+ Units/Year

Annual production capacity for global distribution

20+ Patents

Innovative superimposed pulse charging technology

About Longrunobc

Chengdu Dacheng New Energy Technology Co., Ltd. (DCNE), operating as longrunobc.com, has been a pioneer in battery charging solutions since 1997. Originally focused on camera and walkie-talkie chargers, we entered the military EV sector in 2000, developing on-board chargers for electric vehicles.

Today, we are a professional charger solution provider with over 20 patents in on-board and off-board charging technologies. Our unique superimposed combined pulse fast charge and discharge technology ensures longer battery life and faster charging cycles.

We serve battery manufacturers, golf carts, logistics trucks, electric boats, cleaning carts, excavators, ATVs, and aerospace applications worldwide. With a factory area exceeding 20,000 sqm, we maintain full control over R&D, production, quality, and delivery.

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Our Product Range

High-performance, IP66/IP67 rated chargers for industrial and commercial EV applications

OBC Q2-9.9KW

DC48-440V | 30-127A | High Power Fast Charger

✅ AC90-265V Input
✅ CAN BUS Communication
✅ IP66 Protection
✅ For all battery types

Ideal for heavy-duty EVs, logistics vehicles, and industrial equipment.

OBC Q4-6KW/12KW

DC48-720V | 12-180A | High Power Fast Charging

✅ AC110-380V Input
✅ CAN BUS Support
✅ IP66 Standard
✅ Stackable Design

Suitable for forklifts, cranes, excavators, and high-voltage systems.

OBC Q3-6.6KW

DC48-720V | 9-80A | Broad Voltage Fast Charger

✅ AC90-265V Input
✅ High Efficiency
✅ IP66 Protection
✅ Smart Functions

Designed for industrial EVs requiring stable, high-power charging.

OBC Q1-12KW

DC12-120V | 80-150A | High Power Lightweight

✅ AC220V Input
✅ Light Weight Design
✅ IP67 Protection
✅ Fast Charging

Perfect for heavy vehicles and industrial applications.

OBC Q1-8KW

DC12-120V | 50-120A | Smart Charger

✅ AC220V Input
✅ Smart Protection
✅ IP67 Rated
✅ For Heavy Vehicles

Reliable charging for forklifts, cleaning carts, and utility vehicles.

OBC Q2-3.3KW

DC48-440V | 10-42A | Broad Voltage with CAN

✅ AC90-265V Input
✅ CAN Interface
✅ Stackable
✅ Smart Charger

Versatile solution for EVs with variable voltage requirements.

EV Accessories

EV Charging Accessories

EU & US Standards | CCS2, GB/T, Inlets, Plugs

✅ CCS2 to GB/T Adapter
✅ CCS Type 2 Connector
✅ Vehicle Inlets & Plugs
✅ 10A-63A Ratings

Complete charging ecosystem for global EV compatibility.

OEM/ODM Service

Custom Charger Solutions

Tailored Design & Development

✅ Custom Input/Output Specs
✅ Branding & Packaging
✅ Prototyping Support
✅ Volume Manufacturing

We provide full OEM/ODM services based on your requirements.

Why Choose Longrunobc?

Engineered for performance, reliability, and longevity

Factory Direct Pricing

No middlemen. Competitive pricing from our 20,000+ sqm facility.

20+ Patented Technologies

Superimposed pulse charging extends battery life and improves efficiency.

IP66/IP67 Protection

Dustproof and waterproof for harsh industrial environments.

OEM/ODM Support

Custom designs, branding, and packaging for your brand.

Frequently Asked Questions

What input voltages do your chargers support?

We offer models with AC220V, AC90-265V, and AC110-380V inputs across our Q1, Q2, Q3, and Q4 series.

Do you offer custom charger designs?

Yes, we provide full OEM/ODM services including custom input/output specs, branding, and packaging.

What is your production lead time?

Standard products take 1-4 weeks depending on model. Custom designs may vary.

Are your chargers waterproof?

Yes, most models are rated IP66 or IP67, making them dustproof and waterproof.

Which industries use your chargers?

Our chargers are used in golf carts, forklifts, logistics trucks, electric boats, cleaning carts, excavators, ATVs, and aerospace.

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