How to test your external battery ripple without equipment?
Three tips to check your external battery/power bank ripple,
1. Charge radio with power bank, if radio signal is interfered, it hints you that power bank ripple is too high
2. Charge your cell phone with power bank, if touch screen response is slow, it tells you its ripple is too high, you can consider to get a new power bank
3. Charge your cellphone with power bank, if touch screen blinks, it tells you its ripple is too high, you can consider to get a new power bank
Post time: Nov-08-2019