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Wanting to modify switchers for audio amplifiers?

For those too tired or lazy wanting to build a supply feed your gain clone here is a really cost effective solution.

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DC10-60V 30A 1500W To 12-90V Boost Converter Step Up Power Supply Module

Module properties: non-isolated step-up module (BOOST)
Input voltage: DC 10V~60V
Input current: 10~30V input voltage, maximum current 30A
                   31~60V input voltage, maximum current 25A
Quiescent current: 15 mA 
Output voltage: 12~90V continuously adjustable
Constant range: 0.8~20A (±0.3A)
Temperature: -40~ + 85℃(high ambience use extra heatsinking or cooling)
Operating frequency: 150 KHz
Conversion efficiency: 92% ~ 97%
Low battery protection: yes
Input reverse polarity protection: yes
Anti-reverse protection: yes
Short circuit protection: yes
Installation: 4 x 3 mm screw holes
Module size(L*W*H): 130 x 52 x 85 mm
1. DIY - a power supply, 12V input- output  12-50V adjustable.
2. Power supply. 
3. Car power supply for a laptop, PDA or a variety of digital products.
4. Solar panel regulator.
5. Battery charger.
1. Intelligent temperature control cooling fan.
2. Has input MOS meter protection.
3. When used with battery input low battery protection - avoids battery discharge damage power supply module and a battery.
Package included:
1 x Boost Constant Current Module
DC-DC 10-32V To 12-35V 150W Booster Module For Laptop Adaptor

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