Best Constant Voltage

EBC-A40L Battery Tester Electronic Load 0.1-40A Large Current Lithium Battery Charge Dischage Capacity Tester, 0-5V Fe Battery Cyclic Tester

  • 【Product Parameters】 Voltage range: 0-5V voltage, accuracy: 0.2%+-0.003V, current range: 0.1-40A (maximum charging current 40A), current accuracy: 0.2%+0.01A, discharge mode: CC/CP, Discharge termination: time/cutoff voltage/manual, discharge power: 200W Max, charging method: CV constant current and constant voltage charging, charge termination: cutoff current/manual, heat dissipation: fan, power supply: AC110V..
  • 【Practical Tester】EBC-A40L is an electronic load with charging function. It is suitable for charging and discharging capacitance test of various batteries, mobile power supply discharge test, charging head power performance test, supports connecting to a computer, and realizes more extended functions through online software..
  • 【Automatic Test】The charging method is standard charging, and supports nickel-metal hydride, nickel-chromium, lithium, iron-lithium, and lead-acid. Support automatic charge-discharge-charge mode to test battery capacity. LCD display: voltage, current, capacity, time, power, energy test data..
  • 【Excellent Performance】This EBC-A40L battery capacity tester is designed for high current charge and discharge within 5V, it supports a maximum charge current of 40A and discharge of 40A. It can be connected with a com....
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AC Adapter for Compatible with Portta PET0301S HDMI Switcher Power Supply Cord

  • 100% brand new and high quality.Environmental protection materials,security assured.Low impedancd reduces information fading, Environmental protection materials..
  • High Standard Materual Under CE and UL Standard,Over-Voltage protection Over-Current protection Short-Circuit protection.Built-in multitier protection design, constant-current protection,constant-voltage protection and overload protection..
  • The adapter offers quick and convenient charging with built-in surge protection to keep all of your devices safe from unexpected surges and spikes..
  • Good wear resistance for long-term use,keep product life cyclee.Durable New Fireproof PC+ABS Material,High efficiency and low energy consumption..
  • All of our items come with a 30-Days money-back guarantee.Shipped within 1 business days once payment done. It takes approximately 3-9 workdays..
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PowMr 100A MPPT Solar Charge Controller 12/24V Auto Max PV 96V with LCD Display,Solar Controller 1300W/2600W Input Solar Panel Regulator fit for Lead Acid Batteries (Sealed, Flooded and Gel)

  • 100A MPPT solar charge controller:12/24VDC automatically identifying system voltage.Support 3 charging(constant current, constant voltage, floating charge) lead-acid battery options: Sealed, Gel, Flooded,Parameter user can reset.
  • MPPT controller MAX.PV input power:1300W(12V system),2600W(24v system),Battery capacity configuration ≥800AH,Maximum power current 100A,Maximum open circuit voltage (V) ≤96V.
  • All the Various Real-time data show on one display ,Convenient user to check,the power supply uses ultra low power chip ,reducing static standby power consumption ,reduce energy loss,Automatic temperature compensation function.
  • Dual USB 5V Output charge 2.4A for phone charging, with function button to "manually" open load or manually close the load. Long press and hold this button for 5 seconds to restore the factory settings.
  • Full protection:Battery reverse discharge protection,Battery reverse polarity protection,Battery under voltage protection,Overload, short-circuit protection.Aluminum heat sink allows for efficient heat dissipation..
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Universal Golf Cart Voltage Reducer DC Converter 36V or 48V to 12V 30 Amp 360 Watts with Dual Power Source

  • 12V 30A Voltage Reducer, works with 36V and 48V applications.Rated to handle up to 30 Amp loads. Powder coated aluminum housing..
  • Golf Cart Voltage Reducer Voltage Converter Connects entire battery pack instead of just one battery which improves the life of the battery pack.
  • Golf Cart Voltage Reducer Voltage Converter Industry leading design feature BOTH constant and switched 12V outputs.
  • 100% satisfaction guarantee, please feel free to contact us if any question.
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Boost Buck Converter, DC 6-55V to 0-50.00V Wireless Digital Adjustable Programmable Step-Down Communication Version Buck Power Supply Module LCD Constant Voltage Buck Converter(DPS5005)

  • The constant voltage and constant current programmable control power supply module put the collection of analog integration and digital control functions in one..
  • This module has power-down stored function and can store 10 groups preset value..
  • Compared with the traditional analog power supply, it is more convenient to quickly extract the voltage or current required..
  • LCD display on the module has the function digital voltmeter and ammeter..
  • On the setting data interface, you can adjust over-voltage value, over-current value, over-power value, data set and LCD brightness.This module has many advantages, small size, advanced function, good visual effect, high operability, high-precision, being used independently, being inset into the device and been widely applied..
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NICE-POWER Adjustable DC Power Supply: 30V 5A Variable Switching Regulated High Precision 4-Digits LCD Display 5V/2A USB Port Output & Input Power Cord Bench Lab Power Supplies

  • ...age and current overload and short-circuit protection ensure the safety. The built-in quiet variable fan reduces the operational noise and prolongs the life of product. There is a load on and off button so you can safely connect your load to the supply. There is also a lock button to prevent accidental changes..
  • ◆ CONSTANT VOLTAGE & CURRENT OPERATION MODE - Easy to dial in the desired voltage with the encoded-controlled adjustment knob and then you choose the mode with one of the constant buttons..
  • ◆ PROGRAMMABLE CONTROL - USB & RS232 ports for remote control of the power supply. Software is included.
  • ◆ WHAT YOU GET - 1 x Korad KA3005P Power supply , 1 x power cord , 1x Set of 5 Amp test leads, 1 x User manual.
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TalentCell 12/24V Lithium ion Battery Pack PB240B2, Rechargeable 35000mAh 129.5Wh Li-ion Batteries with DC 24/12 Volt and 5V USB Output for LED Light Strip, CCTV Camera, Smartphone and More

  • Output: 24V (29.4V-21V. Same Voltage Compare to 24 volt Lead Acid Battery) /5A Max. 12V/2.5A Max. (12V output voltage can maintain a constant 12V, but the 24V output port voltage is not constant.), 5V/2.4A Max. Input: 29.4V/0.95A. High battery capacity: 3.7V/ 35000mAh. PB240B2 24/12/5 volt lithium ion battery pack is constructed from 14pcs 18650 cells in 7s2p..
  • NOTE: Please make switch on of the battery before connect AC-DC charger with battery to avoid ELECTRIC SPARK. NOTE: Please confirm your device voltage and power before you use this lithium battery pack. Low voltage devices can't be plugged into the high voltage output port. Otherwise, it might damage your equipment..
  • Compatible with LED strip light products, CCTV Camera, LED Panel, Modem, Speak, Car DVR, Spectra S2 breast pump or Telescopes, Smartphones, Aromatherapy Essential Oil Diffuser Cool Mist Humidifier, etc. If you are not sure if the battery can power to your machines, please contact us for technical support..
  • Supports Over-charged/discharged, Over-voltage, Over-current and Short circuit protection. When a load is connected to the battery, the battery shuts off, it may be over-current or short circuit protection, You just need to connect the charger to charge it and the battery will retu....
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NOYITO DC 12V 2A Fan Power Adapter Fan External Power Supply Suitable for D-Port 3-Pin 4-Pin Male Female Connector Cooling Fans

  • Rated input voltage: AC 100 - 240V 50 / 60Hz..
  • Output cable length: 1.25 meters (About 4.0 ft)..
  • Output plug style: D type,Suitable for 3-Pin 4-Pin Male Female Connector Cooling fans (Red positive.
  • Wide range of adaptation. Input, output with overvoltage protection, Short circuit protection , constant current constant voltage..
  • 【Important Note】Do not overload use it . This fan external power supply does not have the function of speed regulation..
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Malibu Landscape Lighting 0.6W Low Voltage Equinox LED Path Light Charcoal Brown 8409-2101-08

  • Uses a 0.6-watt equivalent high quality warm white LED Use with a Malibu low voltage transformer for peak performance (sold separately).
  • Safe landscape lighting low voltage outdoor use: compatible with most low voltage landscape lighting kits, extra low voltage transformer Required for....
  • We provide better lighting effect, and the brightness remains at a constant level with no light decay..
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Painless Performance 30130 Weatherproof Fan Relay Kit

  • Provides constant voltage, protects from voltage and amperage spikes and prevents the fan from back feeding voltage through the vehicle's wire harness.
  • An absolute necessity if adding a dash mounted manual on/off switch to your electric fan circuit.
  • Inexpensive protection for an electric fan and a vehicle's wire harness.
  • Kit includes weatherproof: SPST 35-amp relay, 30-amp circuit breaker, relay base with harness (6' input, 2' output), heat-shrinkable crimp-on terminals and mounting hardware.
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