The bottom line is that this 20,000mAh power bank is a good one, built to a decent spec. The 20,000mAh capacity is actually 20,000mAh, which is reassuring given how many budget power banks I test that ...

For solar charging, I used a 120W Bluetti panel (also currently 33% off), which delivered exceptional performance even in the weak spring UK sun, feeling the power station close to the maximum rated ...