Premium listings

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  Pharmaceutical Lyophilizer Freeze Dryer For Pilot Plant

  Chemical Processing - Nanjing Hjchem Equipment Co.,Ltd - China - July 29, 2025 - 3500.00 Dollar US$

  Introducing the next-generation Pharmaceutical Lyophilizer Freeze Dryer for Pilot Plant – engineered to bridge R&D and full-scale production with unmatched reliability. Designed for biotech firms, CDMOs, and research facilities, this GMP-complian...

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  Small Home Freeze Dryer Machine For Food

  Chemical Processing - Nanjing Hjchem Equipment Co.,Ltd - China - July 29, 2025 - 3500.00 Dollar US$

  Meet the ultimate Small Home Freeze Dryer Machine for Food – your compact kitchen powerhouse designed to lock in nutrition, flavor, and freshness in everyday meals, garden harvests, or emergency supplies. Tray area: 0.1㎡, 0.4㎡, 0.6㎡ Cold trap tempera...

solar charge controller sdt Photos Catalog - page 5 - WorldBid B2B Market

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  Auto12v 24v 20a Pwm Solar Charge Controller With 2 Usb Port

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 15, 2014 - contact company for price

  Model NO. : QWP- 1420USB Main Features of 20A Solar Controller: 1. Identify 12V/ 24V system voltage automatically. 2. LED indicates the working status of battery and load. 3. Double USB output charging for various electronic products. Max load curren...

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  Waterproof 12v 24v 5a Solar Charge Controller With Led Digital Display

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 15, 2014 - contact company for price

  Model NO. : QWP- 145WP2 Specification: 1 . System voltage: 12V/ 24V Auto 2. System current: 5A 3. No- load loss: < 5mA 4. Solar input voltage: < 55V 5. Working temperature: - 35 ºC to + 65 ºC; 6. Protection grade: IP68 7. weight: 0.15Kg 8. size...

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  Waterproof 12v 24v 10a Solar Charge Controller With Led Digital Display

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 15, 2014 - contact company for price

  Model NO. : QWP- 1410WP2 Specification: 1. System voltage: 12V/ 24V Auto 2. System current: 10A 3. No- load loss: < 5mA 4. Solar input voltage: < 55V 5. Working temperature: - 35 ºC to + 65 ºC; 6. Protection grade: IP68 7. weight: 0.15Kg 8. siz...

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  Waterproof 12v 24v 15a Solar Charge Controller With Led Digital Display

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 15, 2014 - contact company for price

  Model NO. : QWP- 1415WP2 Specification: 1. System voltage: 12V/ 24V Auto 2. System current: 15A 3. No- load loss: < 5mA 4. Solar input voltage: < 55V 5. Working temperature: - 35 ºC to + 65 ºC; 6. Protection grade: IP68 7. weight: 0.15Kg 8. siz...

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  12 24v Waterproof Auto 5a Pwm Solar Charge Controller

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 15, 2014 - contact company for price

  Model NO. : QWP- 145WP1 Specification: S ystem voltage: 12V/ 24V Auto System current: 5A No- load loss: < 5mA Solar input voltage: < 55V Working temperature: - 35 ºC to + 65 ºC; Protection grade: IP68 Weight: 0.15Kg Size: 65 x 67 x 18 ( mm) * M...

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  12 24v Waterproof Auto 10a Pwm Solar Charge Controller

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 15, 2014 - contact company for price

  Model no. : QWP- 1410WP1 1. System voltage: 12V/ 24V Auto 2. System current: 10A 3. No- load loss: < 5mA 4. Solar input voltage: < 55V 5. Overload, short circuit protection: 1.25 times rated current 3 minutes to be automatic recovery; 1.5 times...

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  12 24v Waterproof Auto 15a Pwm Solar Charge Controller

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 15, 2014 - contact company for price

  Model NO. : QW- 1415WP1 Specification: 1. System voltage: 12V/ 24V Auto 2. System current: 15A 3. No- load loss: < 5mA 4. Solar input voltage: < 55V 5. Overload, short circuit protection: 1.25 times rated current 3 minutes to be automatic recov...

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  12 24v 5a Led Digital Display Pwm Solar Charge Controller

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 15, 2014 - contact company for price

  Model N0. : QWP- 145SLC Features of Solar Controller: 1. Microcontroller digital accuracy. 2. PWM charge mode. 3. State of charge ( SOC) . 4. Temperature compensation. 5. Automatic detection of the voltage. 6. Short circuit protection. 7. Reverse pol...




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  12 24v 10a Led Digital Display Pwm Solar Charge Controller

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 15, 2014 - contact company for price

  Model NO. : QWP- 1410SLC Specification: 1. Max. Charging Current: 10A 2. Max. Load Current: 10A 3. Rated DC Voltage: 12V/ 24V 4. Solar Input Max Voltage: 42V 5. Charging Way: PWM Charging Way 6. Display: LED Digital Display 7. Housing Color: Black 8....

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  12 24v 20a Led Digital Display Pwm Solar Charge Controller

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 15, 2014 - contact company for price

  Model NO. : QWP- 1420SLC Specification: 1. Voltage: Auto 12V/ 24V 2. Current: 20A 3. Max. Battery Voltage: 32V 4. Discharge Circuit Voltage Drop: Less 0.15V 5. Charge Circuit Voltage Drop: Less 0.26V 6. Self- Consumption: Less 6mA 7. Enclosure: IP30 ...

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  12 24v 30a Led Digital Display Pwm Solar Charge Controller

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 15, 2014 - contact company for price

  Model NO. : QWP- 1430SLC Specification: 1. Rated charging current: 30A 2. Rated load current: 30A 3. Work voltage: 12V/ 24V AUTO 4. Over load, short circuit protection: 1.25times rated load current in 60- sec; 1.5 times rated load current in 5- sec; ...

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  12v 24v 30a Solar Charge Controller With Lcd Display

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 16, 2014 - contact company for price

  Model NO. : QWP- 1430RSL Specification: 1. Battery rated voltage: 12/ 24V 2. Battery rated charging current: 30A 3. Voltage tracking scope for solar panels: 28- 40V; 56- 80V 4. Open circuit voltage for solar panels: <50V; <100V 5. Solar panel g...

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  12v 24v 50a Solar Charge Controller With Lcd Display

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 16, 2014 - contact company for price

  Model NO. : QWP- 1450RSL Specification: 1. Rated current: 50A 2. Rated voltage: 12V/ 24V 3. Maximum voltage of solar panel: 50V 4. Float voltage: 13.7V/ 27.4V 5. Low voltage disconnection: 10.7V/ 21.4V 6. Low voltage recollection: 12.6V/ 25.2V 7. Loo...

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  12v 24v 60a Solar Charge Controller With Lcd Display

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 16, 2014 - contact company for price

  Model NO. : QWP- 1460RSL Specification: 1. Rated current: Charge 60A & load 50A 2. Rated voltage: 12V/ 24V 3. Maximum voltage of solar panel: ≤ 50V 4. Float voltage: 13.7V/ 27.4V 5. Low voltage disconnection: 10.7V/ 21.4V 6. Low voltage recolle...

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  48v 60a Solar Charge Controller With Lcd Display

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 16, 2014 - contact company for price

  Model NO. : QWP- 4860RSL Specification: Rated current: Charge 60A & load 50A Rated voltage: 48V Maximum voltage of solar panel: ≤ 50V Full charge cut: 54.8V Low voltage disconnection: 42V Low voltage recollection: 12.6V/ 25.2V Loop voltage: <...

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  12v 24v 5a Pwm Solar Charge Controller With Led Digital Display

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 16, 2014 - contact company for price

  Model NO. : QWP- 145JN- S Specification: Rated voltage: 12 v / 24 v auto Strong charging pressure: 14.8V/ 29.6V Equilibrium charging: 14.5V/ 29V Float charging pressure: 13.7V/ 27.4V Under voltage protection: 10.8V/ 21.6 Under recover voltage: 13V/ 2...




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  12v 24v 10a Pwm Solar Charge Controller With Led Digital Display

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 16, 2014 - contact company for price

  Model NO. : QWP- 1410JN- S Specification: 1. Rated voltage: 12 v/ 24 v auto 2. Strong charging pressure: 14.8V/ 29.6V 3. Equilibrium charging: 14.5V/ 29V 4. Float charging pressure: 13.7V/ 27.4V 5. Under voltage: 10.8V/ 21.6 6. Under recover voltage:...

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  12v 24v 15a Pwm Solar Charge Controller With Led Digital Display

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 16, 2014 - contact company for price

  Model NO. : QWP- 1415JN- S Specification： 1. Rated voltage: 12 v/ 24 v auto 2. Strong charging pressure: 14.8V/ 29.6V 3. Equilibrium charging: 14.5V/ 29V 4. Float charging pressure: 13.7V/ 27.4V 5. Under voltage: 10.8V/ 21.6 6. Under recover v...

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  12v 24v 20a Pwm Solar Charge Controller With Led Digital Display

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 16, 2014 - contact company for price

  Model NO. ： Specification: 1. Rated voltage: 12 v/ 24 v auto 2. Strong charging pressure: 14.8V/ 29.6V 3. Equilibrium charging: 14.5V/ 29V 4. Float charging pressure: 13.7V/ 27.4V 5. Under voltage: 10.8V/ 21.6 6. Under recover voltage: 13V/ 26...

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  12v 24v 30a Pwm Solar Charge Controller With Led Digital Display

  Equipment - Solar Power - Guangzhou Queenswing Solar Energy Co., Limited - China - August 16, 2014 - contact company for price

  Model NO. : QWP- 1430JN- S Specification: 1. Rated voltage: 12 v/ 24 v auto 2. Strong charging pressure: 14.8V/ 29.6V 3. Equilibrium charging: 14.5V/ 29V 4. Float charging pressure: 13.7V/ 27.4V 5. Under voltage protection: 10.8V/ 21.6 6. Under recov...