Is there a USB port for charging devices?

Yes, models rated 20-40A include a 2*2A/5V USB port for charging.

What is the efficiency of the controller?

The MPPT solar charge controller offers an efficiency greater than 99%.

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 Home Solar System

Name: 12V 24V Auto Solar Controller MPPT 20A 30A 40A Solar Charging Controller for Home Solar System
Brand: NINGBO KEMAPOWER ELECTRONICS CO., LTD.
SKU: 863921255

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

50000PCS/Year

Key features

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

Wide Voltage Compatibility: Supports 12V, 24V, 36V, and 48V systems with automatic or manual voltage setting.

Comprehensive Battery Support: Compatible with GEL, Sealed, Flooded, LiFePO4, and Li(NiCoMn)O2 battery types.

Advanced Communication Options: Features internal Bluetooth, optional external WiFi, and RS485 for remote monitoring.

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

Multiple Charging Stages: Includes Bulk, Absorption, Float, and Equalization stages for extended battery life.

Built-in Safety Protections: Protects against PV/BAT reverse connection, over/low voltage, and overload conditions.

Company profile

NINGBO KEMAPOWER ELECTRONICS CO., LTD.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-03-05Nearest Port: Ningbo, ChinaAverage Response Time: ≤11.24hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryNINGBO KEMAPOWER ELECTRONICS CO., LTD., established in 2015 in Zhejiang, China, is a trading company specializing in power supply products. It has a small workforce of 10 employees but manages a robust manufacturing operation with five production lines and annual production output between US$50 million and US$100 million. The company is committed to providing quality and customized services, with a focus on reliable after-sales support and a 7*24 hours online technology service. They have a strong international presence, exporting to North America and Southeast Asia/Mideast, and 41-50% of their sales are exports.

After-Sales capabilityThe supplier promises reliable after-sales support and offers annual help and training to customers.

R&D capabilityThe supplier has one R&D engineer, indicating limited innovation capability.

Production capacityThe company operates five production lines and has an annual output between US$50 million and US$100 million.

Customization capabilityThe supplier offers customized products and operates with a low minimum order quantity.