AITIAO 12 Pieces 2A USB 18650 Lithium Li-ion Battery Charger Module Adjustable Boost Module DC-DC 3.7V to 5V 9V 12V Step Up DIY Kit Parts
Why you'll like it
- Versatile Voltage Control — Continuously adjustable output ranging from 4.3V to 27V DC to suit 5V, 9V, or 12V project requirements.
- Dual Function Integration — Charges single-cell 3.7V 18650 lithium-ion batteries via micro-USB while simultaneously boosting load voltage.
- Reliable Power Handling — Delivers a maximum charging current of 1A and discharging current up to 2A for steady performance.
- Comprehensive DIY Kit — Includes 12 pieces of compact, space-saving circuit boards ideal for custom power banks and electronics repair.
Product details
Description
Upgrade your electronics projects and power supplies with this comprehensive 12-piece set of integrated charge and discharge modules. Designed for 3.7V and 4.2V lithium-ion and LiPo cells, each board combines a reliable linear charging chip with a flexible DC-DC step-up boost converter.
Featuring a standard micro-USB input port alongside dedicated battery and output terminals, these compact circuit boards let you conveniently recharge single-cell batteries while simultaneously boosting voltage levels to power diverse custom applications. The onboard potentiometer allows continuous voltage adjustment from 4.3V up to 27V DC, making it easy to configure outputs for 5V, 9V, or 12V projects like portable power banks, digital multimeters, solar setups, or custom electronics prototypes.
Built with safety and versatility in mind, this DIY kit provides robust performance for makers, hobbyists, and engineers looking to design custom power management systems.
How to use
- Connect a 4.5V to 8V DC power source to the micro-USB port or IN+ and IN- input terminals.
- Connect a 3.7V/4.2V 18650 lithium-ion battery to the BAT+ and BAT- terminals for charging.
- Attach your target load device to the OUT+ and OUT- terminals, and adjust the onboard potentiometer to achieve your desired output voltage.
Ingredients
Printed circuit board with integrated TP4056 linear charging IC, DC-DC step-up boost converter components, micro-USB input port, onboard potentiometer, and connection contact pads.
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | AITIAO |
|---|---|
| UPC | 701715511743 |
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
What project or circuit are you building?
These modules are designed for custom electronics projects, converting old multimeters to lithium power, building portable power banks, and running low-voltage DIY setups.
What is the maximum output voltage of this module?
The output voltage is continuously adjustable from 4.3V up to 27V DC using the onboard potentiometer, with specific current ratings for standard 5V, 9V, and 12V outputs.
Can this module charge and discharge at the same time?
Yes, the integrated circuit design allows it to charge a connected 3.7V lithium battery while simultaneously providing a boosted output voltage to your load.
Are these electronic components authentic and imported from the USA?
Yes, all products available on Dropy India are authentic items sourced directly from the USA to ensure high quality and reliability for your electronics projects.
What is included in the package?
The package includes a total of 12 pieces of the AITIAO 18650 lithium-ion battery charger and adjustable step-up boost modules.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.