



SmarToools Rechargeable AA Battery RB40 AA 1.5V 2600mWh (4Pcs Set)
1,000.00৳
Smartoools RB40 AA rechargeable batteries offer 2600mWh capacity and constant 1.5V output. USB-C charging makes them perfect for high-drain electronics in Bangladesh.
Out of stock
Inside Dhaka: 1-2 Days
All Bangladesh: 3-4 Days
| Brand | Smartoools |
| Model | RB40 |
| Battery Type | Rechargeable Li-ion (AA Size) |
| Energy Capacity | 2600mWh |
| Output Voltage | 1.5V (Constant) |
| Charging Port | Integrated USB Type-C |
| Charging Time | Approx. 1.5 - 2 Hours |
| Cycle Life | Up to 1200 Times |
| Indicator | Built-in LED Charging Light |
| Pack Quantity | 4 Pieces Set |
| Warranty | 7-Day Replacement Guarantee |
Smartoools Rechargeable AA Battery RB40 – Best 1.5V Type-C Rechargeable Battery in Bangladesh
If you are tired of buying expensive single-use alkaline batteries from your local shop every few weeks, the Smartoools Rechargeable AA Battery RB40 set is a smart investment. This 4-piece set is designed for modern gadgets that require a steady 1.5V output to work correctly. Unlike traditional NiMH rechargeable batteries that drop to 1.2V, these lithium-ion batteries keep your devices running at full power until the very end.
In a busy city like Dhaka, we use many gadgets daily – from wireless mice and keyboards for office work to high-drain toys and remote controls. During humid weather or long travel days, having reliable power is essential. The Smartoools RB40 makes life easier by eliminating the need for a bulky external charger; you can simply plug them into any USB-C port, just like your smartphone.
Key Features of Smartoools RB40 AA Batteries
- Constant 1.5V Output: Provides stable voltage for high-performance devices, ensuring they don’t lag or fail prematurely.
- High Capacity: 2600mWh energy capacity offers long-lasting power for everyday electronics.
- Direct USB-C Charging: Built-in Type-C port on each battery allows for easy charging without a dedicated charger.
- Long Cycle Life: These batteries can be recharged up to 1200 times, saving you thousands of Taka over their lifespan.
- Smart LED Indicator: Built-in light shows the charging status clearly, so you know exactly when they are ready to use.
Why 1.5V Constant Voltage Matters in Bangladesh
Many rechargeable batteries sold in Bangladesh are NiMH types, which have a nominal voltage of 1.2V. While they work for some things, many modern electronics like blood pressure monitors, digital cameras, and certain RC toys perform poorly or show a “low battery” signal even when the battery is full. The Smartoools RB40 solves this by maintaining a solid 1.5V output. This is particularly helpful for university students using wireless gear or parents whose kids have toys that eat through batteries during long indoor play sessions.
Convenience of USB-C Charging
One of the biggest frustrations with older rechargeable tech was finding the specific charger. With the RB40, that struggle is gone. Since it uses a standard USB-C port, you can charge it using your phone charger, power bank, or laptop. This is perfect for people commuting in Dhaka traffic who might need to top up their mouse battery at the office or for photographers who need a quick charge while on a shoot outside the city.
Build Quality and Environmental Impact
Discarding hundreds of single-use batteries is bad for the environment in Bangladesh, where waste management is a challenge. By switching to the Smartoools RB40, you are significantly reducing toxic waste. The build quality is robust, designed to prevent leakage which often ruins expensive electronics. The internal lithium core is protected by safety circuits that prevent overcharging and overheating, making it safe for household use.
Pros and Cons
Pros:
- No separate charger required; uses common USB-C cables.
- Maintains full power until empty.
- Eco-friendly and cost-effective over time.
- Fast charging compared to old NiMH technology.
Cons:
- Higher initial cost than single-use batteries.
- Slightly lighter weight than alkaline batteries, which some users might notice in handheld devices.
Who Should Buy the Smartoools RB40?
- Content Creators: Who use wireless microphones or LED lights that need stable power.
- Gamers: Who want their Xbox or PC controllers to stay connected without lag.
- Office Workers: Who are tired of their wireless mouse dying in the middle of a meeting.
- Parents: Who want a reliable power source for their children’s high-drain toys.
Why Buy from Gadgeterians?
- 100% genuine product with quality check before shipping.
- Cash on Delivery available across all 64 districts of Bangladesh.
- Fast delivery – ৳60 inside Dhaka, ৳120 outside Dhaka.
- 7-Day Replacement Guarantee for manufacturing defects.
- Trusted gadget store focused on reliable service.
What’s in the Box?
- 4 x Smartoools RB40 AA Rechargeable Batteries
- 1 x USB-C Charging Cable
- 1 x Storage Case
Frequently Asked Questions
Q: How long does it take to charge these batteries?
A: It usually takes about 1.5 to 2 hours for a full charge, depending on your power source.
Q: Can I use a regular AA battery charger for these?
A: No, these are lithium batteries with built-in USB-C ports. Using a traditional NiMH charger may damage them.
Q: Will they work in my TV remote?
A: Yes, they work perfectly in TV remotes, AC remotes, and almost any device that uses standard AA batteries.
Q: Do these batteries get hot while charging?
A: They might feel slightly warm, which is normal for lithium batteries, but they have built-in protection to prevent overheating.
Q: Are they already charged when I buy them?
A: They usually come with some charge, but it is recommended to charge them fully before first use for the best performance.
Q: How do I know when they are finished charging?
A: The integrated LED indicator usually flashes or changes color (often red to blue or green) once fully charged.
Q: Is there any warranty with this product?
A: Gadgeterians provides a 7-day replacement warranty for any manufacturing issues found upon arrival.
What is the price of Smartoools RB40 AA Battery in Gadgeterians?
The Smartoools Rechargeable AA Battery RB40 4pcs set is available at Gadgeterians for only ৳1,000.00. This is an excellent value considering you get 4 high-quality batteries and a charging cable. Order now for fast delivery and enjoy the convenience of Cash on Delivery anywhere in Bangladesh.
Shipping & Delivery
Estimated Delivery Time
- All orders are processed and shipped within 3-7 business days.
- Delivery times may vary based on location and courier service efficiency.
Delivery Charges
We offer affordable delivery rates to ensure your product reaches you safely and on time:
- Inside Dhaka: 60 BDT
- Outside Dhaka: 120 BDT
Payment & Cash on Delivery (COD) Policy
- Cash on Delivery (COD) is available.
- To confirm your order and prevent fake orders, a 200 BDT advance payment is required.
- The remaining amount will be collected upon delivery.
Important Notes
- Please ensure that your provided address and contact details are correct to avoid delivery delays.
- If you have any special requests regarding delivery, kindly contact our support team.
For further inquiries, feel free to reach out to our customer support team.
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