High voltage 21v lithium battery charger electric bike power smart battery charger 21v 2a li-ion battery charger
- Double chipset innovation provides constant true voltage automatically with low consumption.
- Built with input/output overvoltage protection, input/output overcurrent protection, over temperature
protection, over power protection and short circuit protection.
-energy efficiency level VI
Specifications |
Input Voltage Range |
100-240Vac 50/60Hz |
Output voltage |
DC 21V 2A |
Total Regulation |
± 5% |
Ripple & Noise |
120 mV |
Short Circuit Protection |
Continuous-hiccup mode |
Over Voltage Protection |
110-150% of nominal (Cycle input power reset) |
Efficiency at Average Load |
88% |
Operation Temperature |
0 to +60℃ , derating linearly to 50% load above 40℃ |
Storage Temperature |
-10 to +85℃ |
Humidity (non condensing) |
10-90% RH |
Safety Agency Certifications |
UL62368-1,UL60950-1,UL1310,EN55030:2015 |
DOE Regulation |
VI |
Off-Load Power Consumption |
<100 mV |
AC Input Connector |
IEC 320-C14 C8 C6 |
MTBF 100%, 25℃ |
50,000 hours |
Warranty |
3 years |
Length of Output Power Cord |
120cm/150cm/200cm |
Packing |
Regular Paper box+Bubble bag/ Customized accepted |
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FAQ
Q1. Can I have a sample order for adaptor ?
A: Yes, we welcome sample order to test and check quality.
Q2: Do you offer guarantee for the products?
A: Yes, all the power adapter come with 3-5 years warranty.
Q3. Do you have certificates for your products?
A: :Yes,we have UL/CUL,FCC,RoHS,CE,KC,SAA,TUV GS,PSE,KCC,NOM,S-Mark,BSMI Certifications.
Q4. How do you ship the goods and how long does it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline andsea shipping also optional.
Q5.What's your payment item?
A: Our standard payment is T/T in advance, Credit Card , E-Checking, Paypal and Trade Assurance on Alibaba.
Q6. Is it OK to print my logo on adaptor ?
A: Yes. Please inform us formally before our production and confirm the design firstly.
Q7: How to deal with the faulty?
A: Firstly, Our products are produced in strict quality control system and the defective rate will be less than 0.3%.
Secondly, during the guarantee period, we will send new lights with new order for small quantity. For defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation