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Constant Current Power Supply - 12.6V 10A

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Item #: PRT-18722 -
Price: $49.60
Sparkfun

A simple constant current power supply that outputs 12.6VDC and 10A. It comes in a robust metal enclosure (IP68 rated) with a 100,000 hour service life. It features Over-voltage, Over-current, Short...

A simple constant current power supply that outputs 12.6VDC and 10A. It comes in a robust metal enclosure (IP68 rated) with a 100,000 hour service life. It features Over-voltage, Over-current, Short Circuit, and Over-temperature safety features. This can be used for charging Li-Ion batteries similar to the one we sell but requires good knowledge of how to do so. It also works for powering LED lighting-type devices. \The device accepts 8-36V DC inputs via 14 AWG wires (The Red and Black ones)...

Constant Current Power Supply - 13.8V 8A

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Item #: PRT-18734 -
Price: $49.60
Sparkfun

A simple constant current power supply that outputs 13.8VDC and 8A. It comes in a robust metal enclosure (IP68 rated) with a 100,000 hour service life. It features Over-voltage, Over-current, Short...

A simple constant current power supply that outputs 13.8VDC and 8A. It comes in a robust metal enclosure (IP68 rated) with a 100,000 hour service life. It features Over-voltage, Over-current, Short Circuit, and Over-temperature safety features. This can be used for charging Lead Acid batteries similar to the one we sell but requires good knowledge of how to do so. It also works for powering LED lighting-type devices. The charger accepts 8-36V DC inputs via 14 AWG wires (The Red and Black ones)...

Elektor DIY LiPo Supercharger Kit (by GreatScott!)

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Item #: KIT-18004 -
Price: $65.07
Sparkfun

The Elektor DIY LiPo Supercharger/Booster (developed the electronics engineer/YouTuber GreatScott! and produced by Elektor) can charge a single-cell LiPo battery and protect it against the effects...

The Elektor DIY LiPo Supercharger/Booster (developed the electronics engineer/YouTuber GreatScott! and produced by Elektor) can charge a single-cell LiPo battery and protect it against the effects of overvoltage, overload, and short-circuits. Additionally, it can boost the battery voltage to 5V or 12V. The boosted output voltage is protected by an ‘eFuse’ IC outputting 1.52A at 5V or 0.76A at 12V maximum. The charger part of the circuit needs a +5V power supply which can be connected through...

LiPower - Boost Converter

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Availability: Out of Stock
Item #: PRT-10255 -
Price: $31.79
Sparkfun

The LiPower board is based on the incredibly versatile TPS61200 boost converter. The board is configured to be used with a LiPo battery, has solder jumper selectable 5V and 3.3V output, and an under...

The LiPower board is based on the incredibly versatile TPS61200 boost converter. The board is configured to be used with a LiPo battery, has solder jumper selectable 5V and 3.3V output, and an under voltage protection of 2.6V. However, the board can also be used as a general purpose buck and boost regulator with an input voltage as low as 0.3V (default UVLO is 2.6V). With such a low input voltage and quiescent current , the board also works well in energy harvesting applications that use low...

MIKROE Balancer 3 Click

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Availability: Out of Stock
Item #: TOL-19618 -
Price: $28.22
Sparkfun

Balancer 3 Click is overvoltage protection device for 2-series cell lithium-ion battery packs that incorporates a high-accuracy precision overvoltage detection circuit and automatic cell imbalance...

Balancer 3 Click is overvoltage protection device for 2-series cell lithium-ion battery packs that incorporates a high-accuracy precision overvoltage detection circuit and automatic cell imbalance correction. It can be used for various applications, ranging from smartphones, notebook / laptops, power tools, portable equipment and instrumentation, to energy storage systems (ESS), while providing the output voltage at the same time. The Click board™ is supported by the mikroSDK compliant...

MIKROE Balancer 5 Click

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Availability: Out of Stock
Item #: TOL-19589 -
Price: $35.31
Sparkfun

Balancer 5 Click is an intelligent 2-cell Li-Ion battery charger, system power manager, and a battery fuel gauge Click board™. Balancer 5 Click is based on BQ25887 controller which has some extra...

Balancer 5 Click is an intelligent 2-cell Li-Ion battery charger, system power manager, and a battery fuel gauge Click board™. Balancer 5 Click is based on BQ25887 controller which has some extra features enabling charging without too much hassle. As a system power distributor, it can supply up to 3.3A to a connected battery. By utilizing an externally connected USB power supply, it can charge a 2-cell Li-Ion battery. A dedicated power management IC with the optimized smart power control...

MIKROE BATT-MAN Click

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Availability: Out of Stock
Item #: PRT-18900 -
Price: $63.65
Sparkfun

MIKROE BATT-MAN Click is a very versatile battery operated power manager. When powered via mikroBUS™, it will charge the connected Li-Ion/Li-Po 3.7V battery, while providing the output voltage on...

MIKROE BATT-MAN Click is a very versatile battery operated power manager. When powered via mikroBUS™, it will charge the connected Li-Ion/Li-Po 3.7V battery, while providing the output voltage on all its outputs at the same time. The interesting feature of this device is that it can provide additional current to the connected load if the current provided from the mikroBUS™ socket is not enough. This is possible by utilizing the connected battery and by employing intelligent power routing...

MIKROE Charger 11 Click

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Availability: Out of Stock
Item #: TOL-19622 -
Price: $40.03
Sparkfun

Charger 11 Click is a LiFePO4 (lithium iron phosphate) battery charger. This Click can be used for Low-Cost LiFePO4 battery chargers, or Power Tools, toys, backup energy storage solutions, etc....

Charger 11 Click is a LiFePO4 (lithium iron phosphate) battery charger. This Click can be used for Low-Cost LiFePO4 battery chargers, or Power Tools, toys, backup energy storage solutions, etc. Charger 11 is based on MCP73123T controller which has some extra features enabling charging without too much hassle. This Click board™ has charging current control which uses SPI interface through MCP4161 IC, which is an 8-bit digital potentiometer. For battery voltage monitoring this Click board™ uses...

MIKROE Charger 12 Click

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Availability: Out of Stock
Item #: TOL-19615 -
Price: $35.31
Sparkfun

Charger 12 Click is a single lithium-ion (Li+) cell or three-cell NiMH/NiCd battery charger. This Click can be used for Low-Cost Li-Ion battery chargers, or Power Tools, toys, backup energy storage...

Charger 12 Click is a single lithium-ion (Li+) cell or three-cell NiMH/NiCd battery charger. This Click can be used for Low-Cost Li-Ion battery chargers, or Power Tools, toys, backup energy storage solutions, etc. Charger 12 Click is based on MAX1501 controller which has some extra features enabling charging without too much hassle. This Click board™ has charging current control which uses SPI interface through MCP4161 IC, which is an 8-bit digital potentiometer. On the board, there is a Power...

MIKROE Charger 13 Click

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Availability: Out of Stock
Item #: TOL-19611 -
Price: $35.31
Sparkfun

Charger 13 Click is a single lithium-ion (Li+) cell battery charger. This Click can be used for Low-Cost Li-Ion battery chargers, or Power Tools, toys, backup energy storage solutions, etc. Charger...

Charger 13 Click is a single lithium-ion (Li+) cell battery charger. This Click can be used for Low-Cost Li-Ion battery chargers, or Power Tools, toys, backup energy storage solutions, etc. Charger 13 Click is based on the RT9532GQW battery charger IC, which has some extra features enabling charging without too much hassle. This IC has an internal switching-mode regulation with input current limiting, allowing it to use an external power supply from a cheap wall adapter, rated up to 28V. On...

MIKROE Charger 16 Click

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Availability: Out of Stock
Item #: TOL-19007 -
Price: $61.29
Sparkfun

MIKROE Charger 16 Click is a compact add-on board that represents a single-cell battery charger. This board features the LT1571, a constant-current/constant-voltage battery charger with preset...

MIKROE Charger 16 Click is a compact add-on board that represents a single-cell battery charger. This board features the LT1571, a constant-current/constant-voltage battery charger with preset voltage and termination flag from Analog Devices. Powering up from an external power supply rated up to 20V, this Click board™ has an onboard current sense resistor which allows simple charge current programming to within 5% accuracy. The internal switch is capable of delivering a 1.5A DC (2A peak...

MIKROE Charger 2 Click

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Availability: Out of Stock
Item #: TOL-19977 -
Price: $40.03
Sparkfun

Charger 2 Click is a LiPo/Li-Ion battery charger with the additional monitoring IC onboard. This Click board™ as a whole, offers unpreceded battery charging and monitoring solution for 3.7V...

Charger 2 Click is a LiPo/Li-Ion battery charger with the additional monitoring IC onboard. This Click board™ as a whole, offers unpreceded battery charging and monitoring solution for 3.7V LiPo/Li-Ion batteries, with the capacity measurement/gas gauge function, for up to 7000 mAh. It provides measurement data via the I2C interface and two signaling LEDs on the Click board™ itself. It features two dedicated ICs - one for charging the battery and one for monitoring its status. The charging...

MIKROE Charger 3 Click

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Availability: Out of Stock
Item #: TOL-18804 -
Price: $40.03
Sparkfun

MIKROE Charger 3 Click is a compact add-on board that represents a standalone battery charger with thermal regulation. This board features the TP4056, a complete constant-current/constant-voltage...

MIKROE Charger 3 Click is a compact add-on board that represents a standalone battery charger with thermal regulation. This board features the TP4056, a complete constant-current/constant-voltage linear charger for single-cell lithium-ion batteries from NanJing Top Power ASIC Corp. The charge voltage of the TP4056 is specified at 4.2V with the charge current programmable via an onboard digital potentiometer, automatically terminating the charge cycle when the charging current drops to 1/10th...

MIKROE Charger 6 Click

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Availability: Out of Stock
Item #: TOL-19272 -
Price: $28.22
Sparkfun

Charger 6 Click is a compact add-on board that represents a single-cell battery charger. This board features the BQ25601, an I2C controlled battery charger for high input voltage and narrow voltage...

Charger 6 Click is a compact add-on board that represents a single-cell battery charger. This board features the BQ25601, an I2C controlled battery charger for high input voltage and narrow voltage DC power path management from Texas Instruments. This buck charger supports USB, and it’s optimized for USB voltage input. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time, and extends battery life during discharge. It also has a programmable...

MIKROE Charger 8 Click

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Availability: Out of Stock
Item #: TOL-19840 -
Price: $58.93
Sparkfun

Charger 8 Click is an intelligent Li-Ion battery charger, system power manager, and a battery fuel gauge Click board™. As a system power distributor, it can supply up to 2A to a connected load. By...

Charger 8 Click is an intelligent Li-Ion battery charger, system power manager, and a battery fuel gauge Click board™. As a system power distributor, it can supply up to 2A to a connected load. By utilizing an externally connected power supply, it can charge a single-cell Li-Po/Li-Ion battery. A dedicated power management IC with the optimized smart power control allows very efficient management of the available power. An additional battery fuel gauge IC with proprietary battery aging...

MIKROE Charger 9 Click

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Availability: Out of Stock
Item #: TOL-19800 -
Price: $58.93
Sparkfun

Charger 9 Click is a Li-Ion (Li+, Li-Po) battery charger, capable of charging one, two or three battery cells. It is based on the MAX1757, an integrated Li+ battery charger with many features that...

Charger 9 Click is a Li-Ion (Li+, Li-Po) battery charger, capable of charging one, two or three battery cells. It is based on the MAX1757, an integrated Li+ battery charger with many features that allow safe and reliable charging. This IC has an internal switching-mode regulation with input current limiting, allowing it to use an external power supply from a cheap wall adapter, rated up to 14V. An extensive state machine of the MAX1757 IC with two additional timers regulates the charging...

MIKROE Charger Click

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Availability: Out of Stock
Item #: TOL-18892 -
Price: $51.84
Sparkfun

MIKROE Charger Click carries both a battery charger controller and a battery charge monitor, along with a battery connector. The smaller chip is MCP73831, a miniature single-cell Li-Ion and...

MIKROE Charger Click carries both a battery charger controller and a battery charge monitor, along with a battery connector. The smaller chip is MCP73831, a miniature single-cell Li-Ion and Li-Polymer charge management controller with a programmable charge current from 15 to 250 mA. The larger IC is DS2438, a smart battery monitor which integrates a temperature sensor, a timer, an ADC to measure the battery voltage and current, and a current accumulator that monitors the total amount of...

MIKROE Peltier Click

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Availability: Out of Stock
Item #: TOL-19594 -
Price: $35.31
Sparkfun

The Peltier Click is a Click board™ which utilizes the SPV1050, an ultralow power energy harvester and battery charger from STMicroelectronics. The Peltier Click can charge lithium battery using...

The Peltier Click is a Click board™ which utilizes the SPV1050, an ultralow power energy harvester and battery charger from STMicroelectronics. The Peltier Click can charge lithium battery using thermoelectric energy harvesting device (TEG). A TEG converts heat directly into electrical energy according to the Seebeck effect. It can be used for a variety of applications such as WSN, HVAC, building and home automation, industrial control, remote metering, lighting, security, surveillance,...

MIKROE PowerBank 2 Click

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Availability: Out of Stock
Item #: TOL-19454 -
Price: $63.65
Sparkfun

The PowerBank 2 Click is a Click board™ equipped with the RT9480, highly integrated and easy to use power solution for Li-ion power bank and other powered handheld applications. It’s usually called...

The PowerBank 2 Click is a Click board™ equipped with the RT9480, highly integrated and easy to use power solution for Li-ion power bank and other powered handheld applications. It’s usually called EZPBS (Easy to Use PowerBank Solution). This single chip includes a linear charger, a synchronous Boost with dual output load management and a torch function support. The battery volume and the state of charging and discharging can be indicated by 4 LEDs. PowerBank 2 Click is supported by a mikroSDK...

MIKROE PowerBank Click

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Availability: Out of Stock
Item #: TOL-19476 -
Price: $58.93
Sparkfun

PowerBank Click is a USB charging expansion board which can be used for creating power bank devices or adding charging option to your device. For battery charging management this board uses MP2632B...

PowerBank Click is a USB charging expansion board which can be used for creating power bank devices or adding charging option to your device. For battery charging management this board uses MP2632B a highly integrated 3A Lu-ion and Li-polymer battery charger from Microchip. In addition to battery charger PowerBank Click also has a MCP3221 analog to digital converter, which is serving for monitoring battery voltage over I2C interface. Beside battery charging and monitoring feature, this board...

MIKROE Qi RX Click

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Availability: Out of Stock
Item #: PRT-18903 -
Price: $106.16
Sparkfun

MIKROE Qi RX Click is a compact add-on board made for the purpose of wireless power transfer. This board features the PIC16F15313, a general-purpose 8-bit MCU that makes a flexible, low-cost...

MIKROE Qi RX Click is a compact add-on board made for the purpose of wireless power transfer. This board features the PIC16F15313, a general-purpose 8-bit MCU that makes a flexible, low-cost alternative to the wireless charging solutions based on ASICs from Microchip. It represents a simple, low-cost implementation of the Qi 1.1 5W wireless charging standard with the added functionality of a fully-featured Li-Ion charging controller. It can extend product life by reducing mechanical failures...

MIKROE UPS Click

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Availability: Out of Stock
Item #: TOL-19993 -
Price: $58.93
Sparkfun

UPS Click is a supercapacitor charger Click that provides continuous power for a load connected to the output terminals. It also provides a temporary backup power supply in cases when the main power...

UPS Click is a supercapacitor charger Click that provides continuous power for a load connected to the output terminals. It also provides a temporary backup power supply in cases when the main power supply is abruptly disconnected - hence its name - UPS Click. Besides backup function, it also provides a power for the applications with high peak power requirements, such as LED flashes, PCMCIA TX bursts, HDD bursts, GPRS/GSM transmitters and similar. UPS Click uses two 3.3F supercapacitors...

SparkFun Adjustable LiPo Charger

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Item #: PRT-14380 -
Price: $24.53
Sparkfun

The SparkFun Adjustable LiPo Charger is a single-cell lithium polymer (LiPo) and lithium ion battery charger. Because it’s adjustable, this charger will be able to safely charge most of our...

The SparkFun Adjustable LiPo Charger is a single-cell lithium polymer (LiPo) and lithium ion battery charger. Because it’s adjustable, this charger will be able to safely charge most of our single-cell batteries with ease. With its onboard charge rate selector, you will be able to set the maximum amount of current to charge your battery from 15mA to 500mA. Once the board is configured for the battery, you can connect power from either a microUSB cable or the pins below the USB connector...

SparkFun Battery Babysitter - LiPo Battery Manager

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Availability: Out of Stock
Item #: PRT-13777 -
Price: $39.06
Sparkfun

The SparkFun Battery Babysitter is an all-in-one single-cell Lithium Polymer (LiPo) battery manager. It’s half battery charger, half battery monitor, and all you’ll ever need to keep your...

The SparkFun Battery Babysitter is an all-in-one single-cell Lithium Polymer (LiPo) battery manager. It’s half battery charger, half battery monitor, and all you’ll ever need to keep your battery-powered project running safely and extensively. The Battery Babysitter features a pair of Texas Instruments LiPo-management ICs: a BQ24075 battery charger and a BQ27441-G1A fuel gauge. The charger supports adjustable charge rates of up to 1.5A, as well as USB-compliant 100mA and 500mA options. It also...

SparkFun LiPo Charger Basic - Micro-USB

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Item #: PRT-10217 -
Price: $18.08
Sparkfun

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun LiPo Charger Basic is stripped down of all features and just does one thing well - charge...

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun LiPo Charger Basic is stripped down of all features and just does one thing well - charge 3.7V LiPo cells at a rate of 500mA. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. Check the datasheet below to see if it will work with your battery. The board incorporates a charging circuit, status LED, connector for your battery (JST-type used in the batteries we carry), and...

SparkFun LiPo Charger Basic - Mini-USB

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Availability: Stocked
Item #: PRT-10401 -
Price: $16.08
Sparkfun

If you need to charge LiPo batteries, this simple charger will do just that. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. Check the datasheet below to see if it will work...

If you need to charge LiPo batteries, this simple charger will do just that. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. Check the datasheet below to see if it will work with your battery. The board incorporates a charging circuit, status LED, connector for your battery (JST-type used in the batteries we carry), and a mini-USB connector. However, we do not recommend this charger with a 110mAh battery. Note: This version uses a mini-USB cable. We also have this charger...

SparkFun LiPo Charger Plus

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Item #: PRT-15217 -
Price: $20.89
Sparkfun

The SparkFun LiPo Charger Plus is the souped-up power option in the SparkFun line of single-cell lithium polymer (LiPo) battery chargers. With this iteration, we've changed the input charge...

The SparkFun LiPo Charger Plus is the souped-up power option in the SparkFun line of single-cell lithium polymer (LiPo) battery chargers. With this iteration, we've changed the input charge connector to USB-C and provided charge rate selection as well as optional thermal protection. Charge, power, and done LEDs clearly indicate the status of your charging process. This board can be used for any of the 2-pin JST connector single cell LiPo batteries we carry. With an input voltage between...

SparkFun LiPo Charger/Booster - 5V/1A

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Item #: PRT-14411 -
Price: $31.79
Sparkfun

The SparkFun 5V/1A LiPo Charger/Booster is a no-nonsense circuit for generating one amp from a Lithium Polymer battery at 5V. This LiPo charger is a very economical choice that is equipped with a...

The SparkFun 5V/1A LiPo Charger/Booster is a no-nonsense circuit for generating one amp from a Lithium Polymer battery at 5V. This LiPo charger is a very economical choice that is equipped with a simple booster circuit utilizing the PAM2401 IC, and includes protection diodes so you can run multiple cells in series for an extra kick. While the booster circuit is in operation, this board can draw more current the lower the input voltage, making it perfect to deliver a strong charge in a small...

SparkFun USB LiPoly Charger - Single Cell

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Availability: Stocked
Item #: PRT-12711 -
Price: $28.75
Sparkfun

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun USB LiPo Charger is a basic charging circuit that allows you to charge 3.7V LiPo cells at a...

If you need to charge LiPo batteries, this simple charger will do just that, and do it fast! The SparkFun USB LiPo Charger is a basic charging circuit that allows you to charge 3.7V LiPo cells at a rate of 500mA or 100mA. It is designed to charge single-cell Li-Ion or Li-Polymer batteries. The board incorporates a charging circuit, status LED, selectable solder jumper for 500mA or 100mA charging current, external LED footprint, USB input, two pre-installed JST connectors for SYS OUT and BATT...

Tenergy T4s Intelligent Universal Charger - 4-Bay

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Availability: Back Order
Item #: TOL-14457 -
Price: $65.07
Sparkfun

The 4-Bay T4s Intelligent Universal Charger from Tenergy is an automatic smart charger compatible with almost all types of rechargeable batteries, thereby eliminating the need to own multiple...

The 4-Bay T4s Intelligent Universal Charger from Tenergy is an automatic smart charger compatible with almost all types of rechargeable batteries, thereby eliminating the need to own multiple chargers. Capable of automatically identifying and charging Lithium Ion (Li-ion), LiFePO4, NiMH and NiCD rechargeable batteries, the T4s applies the appropriate charging mode, whether it be a constant charge current (CC), constant charge voltage (CV) or trickle charge. The T4s is able to independently...