What certifications does it have?

The product is certified with ISO, CB, and CE standards.

What is the efficiency of the MPPT controller?

The efficiency is greater than 99%.

Can I monitor the system via USB?

Yes, the 20-40A controllers feature 2*2A/5V USB ports for charging devices.

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

Name: China 12V 24V Auto Solar Controller MPPT 20A 30A 40A Solar Charging Controller for Solar Energy System
Brand: Foshan Kemapower Electronics Co., Ltd.
SKU: 864899375

Guangdong, ChinaFoshan Kemapower Electronics Co., Ltd.

US$15.77-58.44

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

12V/24V/36V/48V

Color

Black

Transport Package

Seaworthy Packing.

Specification

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

Trademark

KEMAPOWER

Origin

China

HS Code

9032899090

Production Capacity

50, 000 PCS/Year

Key features

High Efficiency MPPT: Efficiency exceeds 99% with common positive configuration and max PV input up to 150V.

Multi-Battery Compatibility: Supports GEL, Sealed, Flooded, LiFePO4, and Li(NiCoMn)O2 batteries with customization options.

Smart LCD Display: LCD screen shows PV, Bat, Load parameters, working status, and allows easy setup.

Advanced Charging Modes: Features Bulk, Absorption, Float, Equalization, and CV stages with temperature compensation.

Lithium Activation: Includes dedicated lithium battery activation function for enhanced performance.

Flexible Communication: Optional internal Bluetooth or external WiFi for remote monitoring and control.

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

Comprehensive Protection: Protects against PV/BAT reverse connection, over/low voltage, and overload conditions.

Company profile

Foshan Kemapower Electronics Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2004-09-16Nearest Port: GUANGZHOU,SHENZHENAverage Response Time: ≤8.47hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, Others, FCA

AI-Powered supplier vetting

SummaryThe provided records describe Foshan Kemapower Electronics Co., Ltd. as a China-based manufacturer/factory producing backup power and solar-energy products, with more than 20 years of experience and exports beginning in 2004. Reported products include UPS systems, inverters, solar charge controllers, batteries, solar panels, and related solar-power equipment. The supplier reports ISO 9000, ISO 9001, ISO 14001, and OHSAS/OHSMS 18001 certifications, 6–10 R&D engineers, and 6–10 quality-control staff. Stated annual capacities include 100,000 UPS units, 80,000 inverters, 200,000 batteries, and 100,000 solar charge controllers. The records also contain inconsistent identity information, including Green Master Electronics Co., LTD. and Foshan Xinchen Electronic Co., Ltd., with personal-care products listed in one record. After-sales support, customization capability, and customer cases are not sufficiently evidenced.

Supplier typeFoshan Kemapower Electronics Co., Ltd. is explicitly identified as a manufacturer/factory in Guangdong, China, with products centered on backup power and solar systems. However, other slices identify Green Master Electronics Co., LTD. and Foshan Xinchen Electronic Co., Ltd., and one lists personal-care products, creating an unresolved identity and scope inconsistency.

CertificationsThe supplier is reported to hold ISO 9000, ISO 9001, ISO 14001, and OHSAS/OHSMS 18001 certifications. The records do not provide certificate numbers, validity dates, issuing bodies, or confirmation that each certificate belongs to the same legal entity.

After-Sales capabilityThe company description explicitly mentions after-sale service and support and states an intention to build long-term customer relationships. No operational details, service locations, response times, warranty terms, or support staffing are provided.

R&D capabilityThe supplier reports 6–10 years of total R&D engineer experience and offers multiple inverter, battery, controller, and solar-system product categories. This supports the existence of some technical development capability, but there is no evidence of patents, proprietary technologies, new-product records, or documented innovation outcomes.

Production capacityThe supplier is identified as a manufacturer with reported annual capacities of 100,000 UPS units, 80,000 inverters, 200,000 batteries, and 100,000 solar charge controllers. It also reports exports representing 41%–50% of sales and export activity since 2004, indicating established production and international supply experience.