Is there a display to monitor system status?

Yes, it features an LCD display showing charge status, battery capacity, and system voltage.

What are the lead times for orders?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

12V 24V Auto Solar Controller MPPT 20A 30A 40A Solar Charging Controller for Solar Energy System

Name: 12V 24V Auto Solar Controller MPPT 20A 30A 40A Solar Charging Controller for Solar Energy System
Brand: NINGBO KEMAPOWER ELECTRONICS CO., LTD.
SKU: 817476045

Zhejiang, ChinaNINGBO KEMAPOWER ELECTRONICS CO., LTD.

US$15.44-58.77

1 Piece

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

MPPT-R

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

12/24/36/48V

Color

Black

Transport Package

Safety Packing

Specification

12/24V 20-60A and 12/24/36/48V 30-100A

Trademark

KEMAPOWER

Origin

Foshan, China

HS Code

9032899090

Production Capacity

50, 000 PCS/Year

Key features

High Efficiency MPPT Technology: Efficiency exceeds 99% with multi-stage charging modes for optimal energy harvesting.

Wide Voltage Compatibility: Supports 12V, 24V, 36V, and 48V systems with auto-detection or manual setting.

Multiple Battery Type Support: Compatible with GEL, Sealed, Flooded, LiFePO4, and Li(NiCoMn)O2 batteries.

Advanced Communication Options: Features optional internal Bluetooth, external Bluetooth, and external WiFi connectivity.

Comprehensive LCD Display: Real-time monitoring of PV, battery, and load parameters with error code display.

Robust Protection Mechanisms: Includes reverse connection, over/low voltage, and over-load protection for safety.

USB Charging Ports: Equipped with 2*2A/5V USB ports for convenient device charging on 12/24V models.

Company profile

NINGBO KEMAPOWER ELECTRONICS CO., LTD.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-03-05Nearest Port: Ningbo, ChinaAverage Response Time: ≤8.43hTerms 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.