Zapster R-4040 20,000mAh Fast Charging Power Bank | 35W Max Output, Built-in Cables, & Digital Display Indicator
Zapster R-4040 20,000mAh Fast Charging Power Bank | 35W Max Output, Built-in Cables, & Digital Display Indicator
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Product Description
Meet the Zapster R-4040 20,000mAh Power Bank—your ultimate, heavy-duty portable charging solution. Designed for maximum efficiency and modern convenience, this massive 20,000mAh capacity ensures your smartphones, iPhones, earbuds, and essential tech gadgets stay powered up through the busiest days, whether you're commuting, working remotely, or traveling.
Engineered with advanced 35W Max Fast Charging technology, the R-4040 features versatile output ports and integrated cables (Type-C and Lightning) to charge multiple devices simultaneously without the clutter. Encased in a sleek, textured matte finish for a secure grip, and equipped with a smart digital display charging indicator, it combines robust safety features with effortless everyday portability.
Key Features & Benefits
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Massive 20,000mAh Capacity: Delivers multiple full charges for modern smartphones and low-power tech accessories, keeping you connected longer.
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35W Max Fast Charging: High-speed output ports and integrated cables drastically reduce charging times for compatible devices.
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Multi-Device Simultaneous Charging: Equipped with flexible Type-C, USB, and Lightning output options to power up different gadgets at once.
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Smart Digital Display: Built-in LED digital indicator keeps you accurately informed of your remaining battery percentage.
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Secure Matte Finish: Designed with a textured grip to prevent slips and resist everyday wear while maintaining a compact, travel-ready profile.
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Enhanced Safety Build: Utilizes premium Li-Polymer cells with advanced circuitry protection against overcharging and overheating.
Technical Specifications
| Specification | Details |
| Model Name | Zapster R-4040 |
| Capacity | 20,000mAh (Voltage: 3.85V, Energy: 77Wh) |
| Rated Capacity | 12,800mAh (3.85V) |
| Battery Type | High-Safety Li-Polymer Battery |
| Physical Appearance | Textured Grip Matte Finish |
| Compatibility | Smartphones, iPhones, Earbuds, and Tech Gadgets |
| Input Ports | Type-C Input (5V/3A 27W Max), Type-C Cable Input (5V/3A 27W Max) |
| Output Ports | USB Output (22.5W Max), Type-C Output & Cable Output (35W Max), Lightning Cable Output (27W Max) |
| Charging Time | Up to 9 Hours (with 27W Fast Adapter) / 16 to 24 Hours (with 2.0A Adapter) |
| Weight & Dimensions | 332 grams | 102 x 71 x 34 mm |
| Additional Features | Digital Display Charging Indicator, PD Fast Charging Technology |
Shipping Details
Processing Time
Orders are processed within 1 to 2 working days.
Delivery Time
- Major cities: 2 to 4 days
- Other areas: 3 to 6 days
Cash on Delivery
We offer Cash on Delivery all over Pakistan.
What Our Community Says
"The quality of the wireless earbuds I ordered from Saadtech is exceptional. Fast delivery in Lahore and very professional packaging. Highly recommended for genuine tech accessories!"
"Finally found a store in Pakistan that sells authentic chargers. The customer support on WhatsApp was very helpful in choosing the right adapter for my iPhone."
"I've bought several smartwatches from different stores, but the transparency and quality here are on another level. 100% satisfied with my purchase."
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