DC 20V Analog Panel Voltmeter 0 to 20V

Voltmeter Ammeter 100V 50A Shunt Digital DC Red Blue features:
- Supply voltage: 4.5V to 30V
- Voltage measurement range: 0V to 100V (± 1%)
- Min voltage resolution: 0.1V
- Current measurement range: 0A to 50A (± 1%)
- Min current resolution: 0.1A
- Operating current: 5mA to 15mA.
- Screen: red LED color (Voltage) and blue LED color (Intensity)
- Includes protection against reverse polarity
- Measurement refresh time: 500ms
- Screen dimensions: 48 x 29 mm
- Recessed hole: 45.5 x 26.5 mm
- Depth: 21 mm
- Cable length: 150 mm
- Operating temperature: -10ºC to 65ºC Useful links for Arduino / Raspberry programming and projects with Arduino />

DC 5A Analog Panel Ammeter features:
- DC 5A Ammeter Instrument Analog Amperage meter panel with shunt
- Type: Analogue ammeter
- Range: DC 0-5A
- Accuracy: Class 2.5
- Size: 51 × 51 × 46mm
- Complete with screws for simple DIY installation
- This meter has a built-in bypass, does not need external derivation

LM2577S 3A DC Boost Step-Up Controller Adjustable Step-Up features:
- Step-up stepper adjustable module.
- Output voltage may be greater than the input
- Use a multimeter to check the output voltage and adjust the potentiometer
- Chip LM2577S-ADJ
- Input voltage: 3.5V -35V
- Output voltage: 4-35V
- Current output: 2A, max. 3A with heat sink
- Power max. 20W
- Operating temperature: -40 to + 85 ºC
- Conversion efficiency: up to 92%
- Size: 44 x 30 mm

Suitable for a small solar power system, etc.
12V 1.5W Do-it-yourself Mobile Solar Panel Photovoltaic Charger Cell features:

- Working voltage: 12V
- Output power: 1.5W
- Product size: 115x 85x 3 mm
Applications:
- Charge cell phones
- Home lighting
- DIY solar powered toys

Gel Battery 6V 4Ah features:

• Long service life - both in cyclic and buffer operation
• No delamination effect from the gelled electrolyte
• It tolerates high operating temperatures well
• It fully recovers to its original capacity from deep discharge

DC 30A Analog Panel Ammeter 0-30A features:
- DC 30A Analog Ammeter Panel Current Meter AMP 0-30A
- Type: AMP analog meter
- Range of scale: DC 0-30A
- Accuracy: Class 2.5
- Size: 51x 51x 46 mm
- Complete with screws for simple DIY installation
- This meter has a built-in bypass, does not need external derivation

DC 25V Analog Panel Voltmeter 0 to 25V Round features:
- 25V 0-25V DC analog voltage panel meter
- Type: Analog voltage meter
- Range of scale: DC 0-25V
- Accuracy: Class 2.5
- Complete with screws for simple DIY installation

DC 10V Analog Panel Voltmeter 0 to 10V Rounded features:
- 0-10V DC analog voltage meter
- Type: Analog voltage meter
- Range of scale: DC 0-10V
- Accuracy: Class 2.5
- Complete with screws for simple DIY installation