Top 10 Best Power bank in India

Coolnut 60000mAh

PORTABLE POWER BANK – This amazingly adaptable product has the ability to charge Laptops, Notebooks, Phones or anything you take on the go with you. Great for Travel and Outdoors. Also can take away for Camping, Outdoor, Picnic, Shooting etc.
USAGE: For CPAP, BiPAP, Portable Oxygen Concentrator & Other Small Medical Devices Like Nebulizer etc. Also can be used for Electric Devices like Laptop, Drone, Smartphone, Tablet, DSLR Camera, CCTV, projector, Small Refrigerator, Inflator etc.
HUGE POWER SUPPLY – An outstanding 60000mAh, 150W. AC Output, 2 x USB Outputs. it’s fast charging.
WHAT YOU GET: Coolnut 60000mAh External Battery Pack

Powerful compact: jump start your vehicle up to 30 times with 600 amps of peak current and heavy duty clamps and cables. Compact enough to store in your glovebox
Smart charging port: with 18000mah capacity and smart USB port, it can full charge your laptops, smartphones, tablets, and other devices at the fastest speed possible
The LCD screen can exactly show the remaining power. The compass can help you find your way home when get lost in the wild
Attractive pricing
Reliable performance

20000mAh Li-Polymer Battery: Redmi Power Bank comes with high-density advanced Li-polymer batteries that makes it more durable and optimizes charging efficiency. It can charge Redmi K20 Pro – 3.5 times, iPhone XS – 4.7 times & Redmi Note 7 – 3.5 times
18W Fast Charging: The new Redmi Power Bank comes with 18W Fast Charging. It supports 5.1V/2.4A, 9V/ 2A MAX and 12V/1.5A MAX charging outputs that ensures efficient and quick charging for your devices
Classic Dual Port: Dual input ports (Micro-USB/USB-C) and Dual USB Output with smart charging – Redmi Power Bank intelligently adjusts power output up to 18W to deliver fast and efficient charging for each connected device

It will charge a 3000mAh phone battery 4.3 times And It will charge a 4000mAh phone battery 3.3 times
Output : Double USB Output DC5V |1A, Input: 5 V || 2A AND Charging time: Approx 10 hours( 10 W charger, standard USB cable)
Body Material : ABS Plastic| Weight 404 gm

Guaranteed long-term performance (6+6 month extra-long warranty)
Fast Charging (18W PD – Power Delivery)
Charge your power bank and device together (2-way charging)
Charge two devices simultaneously (Dual USB Ports, 2-in-1 Micro-USB/Type-C cable)
Extra safety features (12 layers of circuit protection with unique Low Current mode)

Proudly Made In India
It will charge a 3000mAh phone battery up to 2.4 times & It will charge a 4000mAh phone battery up to 1.8 times
Dual USB Output 2.4 Amp 5V Fast Charge
Ultra Compact body along with smooth touch finish gives the Power Bank its premium look, weighs only 181 grams.
1 Type-C USB Cable, 1 User Manual, 1 Warranty Card, Charger Not included
Micro USB Input. Takes up to 5-6 hours to charge the power bank