How does the controller handle temperature changes?

It features temperature compensation to adjust charging parameters based on ambient temperature.

What are the available current ratings for this model?

Available models range from 10A to 40A, specifically 10A, 20A, 30A, and 40A.

20AMP Solar Controller Photovoltaic off Grid Power Generation Multifunctional Household Solar Panel MPPT Controller

Name: 20AMP Solar Controller Photovoltaic off Grid Power Generation Multifunctional Household Solar Panel MPPT Controller
Brand: NINGBO KEMAPOWER ELECTRONICS CO., LTD.
SKU: 864175885

Zhejiang, ChinaNINGBO KEMAPOWER ELECTRONICS CO., LTD.

US$5.00-9.00

1 Piece

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

HHDU

Condition

New

Certification

ISO, CB, CE

Application

Collector Controller, Water Heater Controller, Solar System Controller, Charger Controller, Lighting Controller, Wind Controller, Solar Working Station, Voltage Controller, Thermal Controller

Rated Voltage

24V

Product Name

LED 12VDC 24VDC 20AMP PWM Solar Charge Convertor

Transport Package

Safety Packing

Specification

119*64*26mm

Trademark

KEMAPOWER

Origin

Foshan, China

HS Code

9032899090

Production Capacity

50000PCS/Yer

Key features

12V/24V Auto Voltage: Automatically detects and adapts to 12V or 24V battery systems.

Multi-Battery Type Support: Compatible with AGM, GEL, Flooded, Lithium, LiFePO4, and Ternary batteries.

Advanced Protection System: Features overload, short circuit, reverse polarity, and over-voltage protection.

LCD Display & Indicators: Real-time monitoring of charging status, load, faults, and battery voltage.

Temperature Compensation: Adjusts charging parameters based on ambient temperature for optimal battery life.

USB Charging Port: Built-in 5V/2A USB charger for mobile devices and small electronics.

3-Stage Charging Control: PWM technology with bulk, absorption, float, and equalized charging stages.

Light & Time Control Modes: Selectable load modes including Normal, Light Control, and Light + Time Control.

Company profile

NINGBO KEMAPOWER ELECTRONICS CO., LTD.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-03-05Nearest Port: Ningbo, ChinaAverage Response Time: ≤7.62hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as a Ningbo-based trading company associated with wholesale and retail, while other records describe factory facilities including five production lines, six to ten quality-control staff, and exports to Southeast Asia, the Middle East, and North America. It reports CE or UL certification for most products, annual customer training, 24/7 online technical service, after-sales support, OEM/ODM services, and new product development. However, formal procedures and records for supplier service assessment, corrective actions, and complaint handling are absent. The supplier has no overseas warehouse, showroom, agent, or branch, and no SDK availability. Sustainability documentation and fire-drill status are unknown. Financial credibility cannot be assessed from the provided year labels alone.

CertificationsThe supplier states that most products have passed CE or UL certification, while its supplier-management-system certification is recorded as “Others.” The evidence supports product-level certification claims but does not identify a specific management-system certificate or coverage for all products.

After-Sales capabilityThe supplier advertises reliable after-sales guarantees, annual customer help and training, 24/7 online technical service, and stated peak/off-season lead times. Nevertheless, it has no written procedures or records for complaint handling, service-capability assessment, or corrective and preventive actions, which is an explicit process deficiency.

R&D capabilityThe supplier reports new-product development during the past year and provides ODM services, demonstrating product-development and design-manufacturing capability. It also reports no available SDK, so software-development support is not evidenced.

Production capacityThe supplier reports five production lines, six to ten quality-control staff, Ningbo factory-related location information, and lead times of within 15 working days off-season and one month during peak season. These details support established production operations, although annual output data is excluded from this assessment because it is monetary information.

Customization capabilityThe supplier explicitly offers customized products, low MOQ service, ODM services, and OEM services for well-known brands. This is direct evidence of both product customization and contract manufacturing capability.