Lithium Batteries, Power Adapters & Chargers

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Popular Batteries Power Supply Used in Electronics Projects

Sometimes the hardest part of building something is finding the correct batteries power supply. This collection brings together useful options that students, hobbyists, and engineers commonly use while building electronics, robotics, and IoT projects. That is why we created this collection so you can easily explore different options in one place. Browse the options below and see which batteries power supply works best for what you want to build.

Buy Batteries and Power Supply Online in India

Looking to buy Batteries for your next project? Robocraze offers a diverse selection of power solutions at competitive Batteries prices. Whether you're a hobbyist or a professional, our collection ensures you'll find the perfect match for your electronic needs. From long-lasting Lithium Polymer (LiPo) batteries to reliable Lithium-Ion (Li-ion) battery chargers, we've got you covered. Our voltage testers and power adaptors are designed to provide you with the efficiency and durability you require.
When you look through our product offerings, you'll see that we are adamant about high-end and affordable. We offer a Power Supply price at Robocraze designed to suit budgets of all kinds, which makes it more convenient than ever to purchase Power Supply units without compromising on performance. Our products aren't just user-friendly, but they are also optimized for SEO so that you receive an experience that is the perfect combination of the two.
When you buy Batteries or Power Supplies from Robocraze, you're investing in reliability and excellence. With transparent battery and Power Supply prices, we strive to provide value to our customers. Trust Robocraze to power your projects with our top-notch batteries and power supplies, where quality meets affordability.

Battery Capacity & Runtime Comparison

Battery Type	Typical Capacity	Common Voltage	Approx. Runtime (Light Load)	Use Case
LiPo 2S (7.4V)	800mAh–2200mAh	7.4V	8–20 min (drones/RC)	Quadcopters, racing drones
LiPo 3S (11.1V)	1000mAh–3000mAh	11.1V	10–25 min	FPV drones, RC cars, robotics
Li-ion 18650	2000mAh–3500mAh	3.7V	3–6 hours (depending on load)	IoT devices, power banks, Arduino
9V Battery	400mAh–600mAh	9V	1–3 hours	Sensors, Arduino, small robotics
AA / AAA NiMH	600mAh–2000mAh	1.2V	5–10 hours	Basic electronics, STEM kits
5V Power Module	External input	Regulated 5V	Continuous (adapter powered)	Raspberry Pi, Arduino, IoT

Note: Runtime varies depending on motor load, current draw, and peripheral usage.

Safety Tips for LiPo & Li-ion Battery Usage

LiPo Batteries (Lithium Polymer):

Always charge with a proper balance charger; never use random adapters.
Do not overcharge (stop at 4.2V per cell) or over-discharge (avoid going below 3.3V per cell).
Store inside a LiPo safety bag or fireproof box.
Never puncture, bend, or crush the battery.
If the battery swells, stop using it immediately.
Always monitor charging-never leave LiPo batteries unattended.

Li-ion Batteries :

Use branded, protected-circuit batteries when possible.
Charge only with compatible Li-ion chargers.
Avoid short circuits; keep terminals away from metal objects.
Do not expose to high heat or sunlight for long periods.
Replace battery if it becomes too hot, swollen, or visibly damaged.

Popular Use-Cases for These Batteries

Drones & Quadcopters: High-discharge LiPo packs for motors, ESCs, FPV systems.

RC Cars & Boats: LiPo/Li-ion packs for speed, torque, and long runtime.

Arduino & Robotics: 9V, Li-ion cells, or regulated 5V/12V power modules for motors, sensors, and boards.

IoT Devices: Low-power Li-ion cells or rechargeable LiPo packs for sensors, WiFi/LoRa modules, and wearables.

STEM & DIY Kits: AA/AAA battery holders and small LiPo packs for electronic prototypes.

LiPo batteries

LiPo batteries, also known as Lithium Polymer batteries, are a type of battery that is now found in a wide range of consumer electronics devices. They've grown in popularity in the radio control industry in recent years, and they're now the go-to option for anyone looking for long-run times and high power. Drones and LiPo batteries are designed to work together to provide longer flight times while also being lighter and more flexible.

you can get different type of LiPo batteries like Orange LiPo Batteries , BONKA LiPo Batteries and Other LiPo Batteries

Li ion batteries

The lithium-ion battery, also known as the Li-ion battery, is one of the most advanced battery technologies available today. The lithium ion is a critical component of its electrochemistry. Because lithium is so small (third only to hydrogen and helium in size), it can easily pass through a micro-permeable separator. As a result, lithium-ion batteries have a very high voltage, high charge storage per unit mass, and unit volume.

SMPS

Switched Mode Power Supply (SMPS) ( also known as Switching Mode Power Supply). In an electronic power supply system, a switching regulator is used to efficiently transfer electrical power. It is a PSU (power supply unit) and is commonly used in computers to adjust the voltage to the operating range of the computer. A switching mode power supply (SMPS) is a power supply that works with a switching regulator to convert electrical power from one form to another with the required characteristics. This power supply is useful for converting an unregulated DC input voltage to a regulated DC output voltage.

AC to DC Converters

AC DC converters, as the name implies, convert alternating current to direct current. To understand this, we must first define alternating current (AC) and direct current (DC). Alternating current, or AC, is a flow of electric charge that periodically reverses. The current begins at zero and proceeds to the peak positive before returning to zero and proceeding to the peak negative. Direct current is a one-way flow of electric charge with a constant current.

Voltage Regulators

Voltage controllers are also known as alternating current controllers or alternating current regulators. A voltage regulator, as the name implies, regulates voltage or generates a fixed output voltage of the current magnitude that remains constant regardless of the varying input voltage. Voltage controllers are constructed from BJT or MOSFET pass devices that are governed by a high gain differential amplifier. It compares the output voltage to a precise reference voltage and makes adjustments to keep the voltage constant.

Buck Boost Converter

Buck Converter: A buck converter module is a DC to DC switch mode power supply that is used as a step-down converter. Buck converters are traditional voltage regulators; they are designed to buck or reduce the input voltage from an unregulated DC supply. Its purpose is to stabilise or reduce the output voltage. Buck converters are commonly found in a wide range of applications such as microprocessors, communication equipment, and so on.

Boost Converter: A boost converter works in the opposite direction of a buck converter. Its purpose is to boost or increase the output voltage. A switch, diode, and capacitor are also used in the boost converter. Boost converters save energy. A boost converter triples the voltage but can only supply one-third of the current drawn from the power supply.

Buck-boost converter: A buck-boost converter module is a direct current to a direct current converter. It has an output voltage magnitude that is greater than or equal to the magnitude of the input voltage. A buck-boost converter is similar to a flyback converter, but instead of a transformer, it uses an inductor. The dc-dc buck-boost converter module (Step-down) is converted to a buck-boost module step-up module, with the output having the same polarity as the input. This buck module's output can be lower or higher than the input. A four-switch buck-boost converter is a non-inverting buck-boost converter module that uses switches instead of diodes.

Batteries and Power Supply Prices in India

Battery and Power Supply Type	Price
Lipo Batteries	Rs. 597 - Rs.32437
Li-Ion Batteries	Rs. 112 - Rs. 1258
Battery Chargers	Rs. 27 - Rs. 2485
Other Batteries	Rs. 23 - Rs. 693
Accessories Batteries & Power Supply	Rs.27 - Rs. 126
SMPS	Rs. 242 - Rs. 1085
AC-DC Converters	Rs. 27 - Rs. 792
Voltage Regulators	Rs. 32 - Rs. 1349
Buck/Boost converter	Rs. 43 - Rs. 371

Related Searches

Popular Searches

1. What is called battery?

A battery is a device that uses an electrochemical oxidation-reduction (redox) reaction to convert chemical energy contained within its active materials directly into electric energy. An electric circuit is used to transfer electrons from one material to another in this type of reaction.

2. What is a Power Supply?

A power supply is a component that provides electricity to at least one load. It usually converts one type of electrical power to another, but it can also convert another type of energy - such as solar, mechanical, or chemical - into electrical energy.

3. What is the advantage of LiPo batteries?

The primary advantage of LiPo battery cells is that they have four times the energy density of nickel-cadmium or nickel metal hydride batteries. LiPo batteries are extremely lightweight and pliable and can be made in virtually any size or shape. LiPo batteries may also power the next generation of electric vehicles.

4. What are drone batteries?

Drone batteries are one of the most important components of a drone for achieving the best balance of performance and flight time. Because of their high energy densities and high discharge capabilities, lithium batteries are the most common battery chemistry used to power quadcopters.

5. What are lithium-ion batteries?

Lithium-ion (Li-ion) batteries are advanced rechargeable batteries that use lithium ions to store and deliver energy. During discharge, lithium ions move from the negative electrode (anode) through an electrolyte to the positive electrode (cathode), creating electrical current. When charging, the process reverses. These batteries offer exceptional energy density and lightweight performance because lithium is the third-lightest element after hydrogen and helium. Their compact design, high voltage capacity, and ability to recharge hundreds of times make them ideal for smartphones, laptops, electric vehicles, and portable electronics.

6. What are lithium-ion batteries mainly used for?

Lithium-ion batteries power a wide range of devices including smartphones, laptops, tablets, wireless headphones, and digital cameras. They're also essential for electric vehicles, power tools, medical devices like pacemakers, home energy storage systems, and backup power supplies. Their lightweight design and high energy capacity make them ideal for both portable electronics and large-scale applications.

7. What is SMPS?

A switched-mode power supply (SMPS) is an electronic circuit that converts power by turning on and off switching devices at high frequencies, as well as storage components like inductors or capacitors to provide power when the switching device is not conducting. Switching power supplies are extremely efficient and are widely used in a variety of electronic equipment, including computers and other sensitive equipment requiring a stable and efficient power supply. A switched-mode power supply, also known as a switch-mode power supply or switching-mode power supply, is a type of alternating current power supply.

8. Where are SMPS used?

SMPS are widely used in personal computers and the machine tool industry. The SMPS is a type of power supply used in security systems. It is used in the railroad system. It's also found in cell phones. It's commonly found in battery chargers. SMPS is commonly found in automobiles. It can also be found in lighting.

9. What is the AC-DC module?

An AC-DC module converts alternating current (AC) from wall outlets into stable direct current (DC) used by electronic devices. It contains rectifiers to convert the AC signal, filters to smooth voltage, and regulators to maintain consistent output. Common in phone chargers, laptop adapters, and power supplies for appliances and equipment.

10. What is a converter used for?

Converters are used to convert electricity from alternating current (AC) to direct current (DC) (DC). Inverters are used to convert direct current (DC) to alternating current (AC) (AC).

11. What is a voltage regulator and how it works?

A voltage regulator is a circuit that generates and maintains a constant output voltage regardless of input voltage or load conditions. Voltage regulators (VRs) keep power supply voltages within a range that is compatible with the other electrical components. While most voltage regulators are used for DC/DC power conversion, some can also perform AC/AC or AC/DC power conversion.

12. What does a buck-boost converter do?

A buck-boost converter is a DC-to-DC converter that adjusts voltage levels up or down, producing a stable output voltage regardless of whether the input is higher or lower. It combines buck (step-down) and boost (step-up) functions in one device. Commonly used in smartphones, batteries, LED drivers, and portable electronics to maintain consistent device performance as power sources fluctuate.

13. What types of batteries are available in this collection?

We offer LiPo (Lithium Polymer), Li-ion (Lithium-ion), and standard rechargeable batteries in various capacities and voltages. Our collection includes battery packs for drones, RC vehicles, robots, and general electronics. Each battery is sourced from trusted manufacturers to ensure quality and reliability for your projects .

14. Are these batteries safe for drones and RC vehicles?

Yes, all our batteries meet safety standards and are specifically designed for drones, RC cars, planes, and helicopters. They include built-in protections against overcharging, short circuits, and overheating. We recommend using compatible chargers and following manufacturer guidelines for optimal safety and performance .

16. Do you provide Li-ion and LiPo chargers?

Yes, we provide dedicated chargers for both Li-ion and LiPo batteries. Our chargers feature smart charging technology with multiple safety protections including overcharge, over-current, and temperature monitoring. Available in various specifications to match your battery type and capacity requirements .

17. Can I buy buck/boost power modules for electronics projects?

Yes, we offer buck and buck-boost converter modules for DIY electronics projects, robotics, and industrial applications. Our modules provide adjustable voltage output with built-in protection features. They're compatible with various input voltages and ideal for powering microcontrollers, sensors, and other electronic components efficiently .