Top power banks under a budget

This power bank from Ambrane is made up of durable quality materials and is very compact in size. It comes with a 15000mAh capacity, which should deliver over three charging cycles for a 4000mAh battery. For input, there is a micro USB port and a USB Type C port and for output, you get two USB A ports with 5V/2.1A support. The company says it takes around 1o hours to charge from 0-100 and has 9 layers of protection.This is best for those who want a compact power bank with a high capacity.

The Mi 10000mAh Li-Polymer Power Bank 3i is a popular offering under a budget. As the name suggests, it comes with a 10000mAh capacity that is claimed to charge a 3000mAh phone battery 2.1 times and a 4000mAh battery 1.4 times. It has a tough aluminium shell on the outside, has a sleek design and weighs 251 grams. It is said to take approximately 4.5 hours to charge fully using an 18W-9V/2A charger. It also supports up to 18W fast charge on supported phones.The Mi Power Bank 3i is one of the best options if you are looking for a long-lasting power bank.

This power bank comes with 10000 mAh capacity that is claimed to charge a 3000mAh phone up to 2.4 times and a 4000mAh phone up to 1.8 times. You also get access to fast charge via dual USB output at 2.4A/5V output through USB Type C as well. It has a compact body and weighs 181 grams.For someone who wants a small body but doesn't need more than 10000mAh battery.

The Redmi 10000mAh power bank is said to charge a 3000mAh battery 2.1 times and will charge a 4000 mAh phone battery up to 1.75 times. It has a double USB output of 5.1V/2.6A 10 watts fast charge. The body is made of plastic and weighs 246.5 grams. For input, it has two 10W fast charging ports - both micro USB and USB Type C.The Redmi 10000mAh power bank has a slim design that slips in any pocket with ease.

The Ambrane power bank has 10000mAh capacity that claims to charge a 3000mAh phone battery in 2.5 hours and a 4000mAh battery in 1.8 times. It has dual output ports with 5V/2.4A | 12 W with fast charge support. The body is made with plastic that works as an insulator and weighs 210 grams.It has a plastic body that is scratchproof and also durable.

The best feature of this 10000mAh power bank from Realme is its two way fast charging for both input and output. What's even better is that it has dual output ports that let you charge two devices simultaneously. It also has a low current mode for devices like earphones and other phone accessories that need a lower current to get charged. You can simply double press the power button to activate the low power mode.The Realme Power Bank 2i features two way fast charging, which means both input and output support fast charging.