What are the dimensions and weight of the charger?

The dimensions are 330 x 150 x 90 mm, and the net weight is 5.5 KG.

What is the warranty period for the charger?

We provide a 2-year warranty for all our battery chargers with a 24-hour response time for inquiries.

36V 44.1V 40A Automatic Battery Charger, on-Board Charger

Name: 36V 44.1V 40A Automatic Battery Charger, on-Board Charger
Brand: Danl New Energy Co., Limited
SKU: 704044251

Guangdong, ChinaDanl New Energy Co., Limited

US$149.00-189.00

1 Piece

Sample price:US$189.00/piece.Request sample

Product profile

Customization

Available

Rated Power

36V 2000W

Charging Current

36V 40A

Model NO.

VL3640

Input Voltage

160~250V

Type

Lead-Acid Battery Charger

Charging Type

Automatic Cc CV Floating

Principle

MCU Controlled Smart Charger

Color

Silver / Black

Case Material

Aluminum

Max Output Voltage

44.1V

Charging Method

Automatic Cc, CV and Floating

Charging Time

2-3 Fast Charging

Net Weight

5.5 Kg

Transport Package

Carton

Specification

330*150*90 mm

Trademark

VLDL

Origin

China

Production Capacity

1000PCS/Month

Key features

Smart MCU Control: Intelligent 4-step charging with pre-charge, CC, CV, and floating modes for optimal battery life.

Wide Voltage Input: Supports 110V or 230V AC input with 50/60Hz frequency, insensitive to line voltage variations.

Multiple Battery Support: Compatible with Lead-acid, LiFePO4, Li-MnO2, and AGM batteries with specific voltage settings.

Comprehensive Protections: Includes short circuit, over-voltage, over-temperature, and reverse polarity protection.

Portable Aluminum Design: Lightweight aluminum casing with forced ventilation fans for efficient heat dissipation.

High Efficiency: Advanced high-frequency switching technology ensures efficiency greater than 90%.

Customizable Options: Input, output, plug types, and connectors can be customized to specific requirements.

2-Year Warranty: Comprehensive 2-year warranty coverage for all battery chargers with 24-hour support response.

Company profile

Danl New Energy Co., LimitedGuangdong, China

CertifiedBusiness Type: Trading CompanyExport Year: 2008-06-02Nearest Port: Guangzhou, ShenzhenAverage Response Time: ≤5.57hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, CIF, EXW

AI-Powered supplier vetting

SummaryDanl New Energy Co., Limited is identified as a China-based limited trading company headquartered in Guangzhou, with stated manufacturing operations in Nansha. Its business focuses on smart battery chargers for lithium, lead-acid, and various electric-mobility applications. The supplier reports four production lines, 6–10 quality-control staff, a 97.24 m² manufacturing plant, and substantial export activity. It claims customization, ODM/OEM, two-year full warranty, and free replacement services. However, no certification information or specific customer cases is provided. The materials also contain differing establishment/export-history references, so corporate history should be verified before relying on those claims.

Supplier typeThe supplier is legally described as a limited company and classified as a trading company, while its materials also identify a factory/manufacturer operation at a Guangzhou address. Its business covers battery chargers and related electrical/electronics products, indicating a trading entity with stated manufacturing capability.

After-Sales capabilityDanl explicitly states that it provides after-service and claims a two-year full warranty policy with free replacement. These are clear stated service commitments, although no service process, response-time data, or verification evidence is provided.

R&D capabilityThe supplier states that it designs and manufactures switching-mode technology battery chargers and develops smart chargers for multiple battery chemistries and electric-mobility applications. This supports product-development capability, but no patents, R&D team information, or independently validated technology evidence is provided.

Production capacityThe supplier reports a 97.24 m² manufacturing plant, four production lines, and 6–10 quality-control staff. Its listed product range covers multiple voltage levels, battery chemistries, and vehicle types, providing explicit evidence of production scope, though actual capacity and output verification are limited.

Customization capabilityDanl explicitly states that it specializes in customizing smart battery chargers and provides ODM/OEM services and charging solutions for battery and EV factories or wholesalers. This directly supports customization capability across multiple battery and mobility applications.

Product Q&A

Q:What do the abbreviations MF, GEL, and AGM mean?

Gel, AGM, Vlies, MF, Calcium/Calcium, and Hybrid are abbreviations for different types of lead-acid batteries.

Q:What do the abbreviations LiFePO4, Li-ion, Li-MnO2, and LiCoO2 mean?

These are abbreviations for different types of lithium batteries using different cathode materials, requiring different charging voltages.

Q:What charger should I choose?

It depends on the battery type, capacity, application, and budget. Our engineers will recommend the most suitable charger or customize it based on your battery information.

Q:Can I charge several batteries in parallel?

Yes, the charger can maintain several batteries connected in parallel as long as the total capacity is within the model's recommendation. Use high-quality wiring to prevent high current flow between batteries.

Q:Can I connect and then forget about the charger?

For lead-acid batteries, the maintenance mode allows leaving the charger connected for up to 24 hours. For lithium batteries without a BMS, do not leave the charger unattended.