Techfine Electronic Co.,Ltd owns three major production bases,which are located in Foshan,Shaoguan,China and Malaysia.The total area covers 270,000 square meters.It has an experienced and well-educated R&D team and our products posses more than 100 R&D patents on electronic technology,battery technology and chemical application engineering.We offer OEM,ODM and advanced customization services to meet various needs from different clients.Our products have passed CE,ROHS,SONCAP,UL,ISO and other certifications and are exported to Asia,Africa,Europe,the Middle East,the Americas and other regions.We aim to provide the green,energy-saving and safe electrical energy safety emergency products for global users.Professional sales managers and technical engineers provide you thoughful services:short lead time and prompt delivery;3year warranty with worry-free after-sales service.No doubt that Techfine is your best are reliable business partner!
❤20 YEARS industrial experience with three production bases in China & Malaysia. Owns advanced equipment and instruments and builds Automatic production line.
❤Automatic equipment production: stan dardizied quality、high efficiency production.
❤Three-stage smart charging, Adjustable parameters by pressing buttons, 12V/24V/48V adaptive.
❤Production: High voltage protection,Over load protection,Battery reverse connected protection, Low voltage protection,Overheating protection, Output short-circuit protection.
❤The maximum utilization rate of solar energy can reach 99%, With super fast charging algorithm, efficiency increased by 30%
❤ Strictly comply with ISO quality management system , products have passed [UL,CE,IEC, ROHS, SONCAP,SASO,PVOC] and other CERTIFICATIONS.
Product Detail
Model
20A
30A
40A
50A
60A
Systems voltage
12V/24V(Automatically switch),48V
The maximum voltage of the solar panel input
50V(12V/24V),100V(48V)
Self loss
≤13MA
Maximum charge curent
20A
30A
40A
50A
60A
Maximum discharge curent
20A
30A
40A
50A
60A
LVD
10.7V(10-13.8V),21 4V(20-27.6V),42.8V(40-55.2V)
LVR
12.6V(10.2 -14V),25.2V(20.4-28V),50 4V(40.8- 56V)
Floating voltage
13.8V(13 -15V),27.6V(26-30V),55.2V(52- 60V)
Battery overpressure protection
15V/30V/60V
Input reverse connection protection
Yes
Charging mode
PWM
Temperature compensation
-24mv/℃,-48mv/℃,-96mv/℃, Relative to 12V/24V/48V system.
Operating temperature
-20°C- 55°C
Terminal scale
28-10AGW
Waterproof level
IP32
Product Size(mm)
20-30A(187*90*47mm)
40A(195*107*50mm)
50-60A(187*122*57mm)
Packing size(mm)
200*102*53mm
210*118*59mm
200*132*63mm
Weight
320g
340g
588g
Product Paramenters
More Products
Our Factory
Five-star Alibaba verified supplier
20 years rich
experience professional
Strict product testing
High-quality pre-sales and
after-sales services
Customer Service
Transport
FAQ
Q1:May I take some samples to test before placing the order ?
A1:Yes, welcome to take some sample to test!
Q2:How about the delivery time?
A2:7 days for sample; 25 days for bulk order.
Q3:What is the warranty of the controller?
A3:1 years warranty.
Q4:How to solve the technical problems?
A4:24 hours after-service consultancy just for you and to make your problem to be solved
Q5:Do you have any certifications for your products?
A5:We have ISO9001:2000, CE, RoHS, certificates for all of our products.
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