SmarToools RB40 AAA 1.5V 750 mWh Rechargeable Battery (4Pcs Set)
Description
The SmarToools RB40 AAA Rechargeable Battery is a modern, eco-friendly power solution for everyday devices that use AAA batteries. Each cell delivers a steady 1.5 V output and a rated energy of 750 mWh, ensuring consistent performance.
It features a built-in USB-C charging port, eliminating the need for a separate charger. The batteries have integrated protection circuits to prevent overcharging, over-discharging, and short-circuiting.
An LED indicator on each cell shows the charging status—blinking when charging and steady when fully charged. The RB40 batteries are ideal for remote controls, wireless keyboards, flashlights, toys, and other household electronics.Order from T-Tech or visit our shop at Shah Amanat Market, Chittagong.
Specifications:
- Brand: SmarToools
- Model Number: RB40
- Type: AAA
- Material: Lithium-ion battery
- Charging Method: Type-C usb cable
- Charging Voltage: 5V
- Nominal Voltage: 1.5V
- Typical: 400mAh
- Capacity: 750mWh
- Diameter: Min 9.8mm, Max 10.5mm
- Height: Min 43.5mm, Max 44.5mm
- Weight: 6.9(+-0.5)g
- Charging time: 2 hours (+-0.5)
- LED Indicators: Blink when charging,Stay on when full charged
- Short-circuited/over-flowed/over-charged/over-discharged protection: Y
Features:
- Reliable Power for Everyday Devices
- Introducing the SmarToools RB40 AAA 1.5V 750mWh Rechargeable Battery Set, your ideal power solution. These AAA batteries are perfect for small electronics such as remote controls, wireless mice, and clocks, boasting a robust capacity of 750mWh. Crafted to provide consistent performance, the SmarToools RB40 ensures your devices run efficiently for extended periods. Say goodbye to the hassle of frequent battery replacements and embrace the convenience of rechargeable power that meets your daily demands.
- Eco-Friendly and Economical Solution
- Opt for a more sustainable choice with SmarToools RB40 Rechargeable Batteries. Each set comes with four AAA batteries that can be recharged up to 1,000 times, greatly minimizing waste compared to single-use options. By choosing rechargeable batteries, you’re not only helping the planet but also saving money in the long run. With the SmarToools RB40, you can enjoy the advantages of an eco-friendly power source that delivers outstanding performance without the ongoing expense of disposable batteries.
- Advanced Safety and Fast Charging Technology
- The SmarToools RB40 AAA Rechargeable Batteries feature cutting-edge safety mechanisms to guarantee reliable and secure usage. With built-in safeguards against overcharging, overheating, and short circuits, you can recharge your batteries with peace of mind. The intelligent charging technology ensures a full charge in no time, so you’re never left powerless when you need it most. Designed for longevity and efficiency, these batteries provide a safe and trustworthy energy source for all your essential devices.

SmarToools RB40 AAA 1.5V 750 mWh Rechargeable Battery Best Price in Best Price in Bangladesh
SmarToools RB40 AAA 1.5V 750 mWh Rechargeable Battery Best Price in Best Price in Bangladesh is 850 BDT.
FAQs
Q1. Will these batteries work with any device that uses AAA batteries?
A: Yes, the SmarToools RB40 batteries are designed to work with most AAA devices. However, check that your device supports rechargeable batteries for best performance.
Q2. Do I need a separate charger?
A: No, you can charge each battery directly using a USB-C cable—no separate charger required.
Q3. How long does it take to charge the batteries?
A: Typically around 2 hours to reach a full charge from empty.
Q4. How many times can I recharge them?
A: The batteries are rated for up to about 1200 recharge cycles, depending on usage and care.
Q5. Are they safe to use?
A: Yes, each battery includes built-in protection circuits to guard against overcharging, over-discharging, and short circuits.
Q6. Can I use them in high-drain devices like cameras or flashlights?
A: Yes, but performance may vary slightly compared to alkaline batteries. The RB40 provides a stable 1.5 V, making it suitable for most medium to high-drain electronics.
Q7. Are these batteries environmentally friendly?
A: Yes, being rechargeable greatly reduces waste compared to disposable alkaline batteries.
Q8. What warranty do they come with?
A: Most sets include a 6-month replacement warranty, though the exact term may differ by retailer.
Q1. Will these batteries work with any device that uses AAA batteries?
A: Yes, the SmarToools RB40 batteries are designed to work with most AAA devices. However, check that your device supports rechargeable batteries for best performance.
Q2. Do I need a separate charger?
A: No, you can charge each battery directly using a USB-C cable—no separate charger required.
Q3. How long does it take to charge the batteries?
A: Typically around 2 hours to reach a full charge from empty.
Q4. How many times can I recharge them?
A: The batteries are rated for up to about 1200 recharge cycles, depending on usage and care.
Q5. Are they safe to use?
A: Yes, each battery includes built-in protection circuits to guard against overcharging, over-discharging, and short circuits.
Q6. Can I use them in high-drain devices like cameras or flashlights?
A: Yes, but performance may vary slightly compared to alkaline batteries. The RB40 provides a stable 1.5 V, making it suitable for most medium to high-drain electronics.
Q7. Are these batteries environmentally friendly?
A: Yes, being rechargeable greatly reduces waste compared to disposable alkaline batteries.
Q8. What warranty do they come with?
A: Most sets include a 6-month replacement warranty, though the exact term may differ by retailer.

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