According to CyberPower support when your CP UPS is out of warranty your only options are:
- Recycle and replace the UPS. It's totally up to you if you want to stick with the CyberPower products of switch away in hope of better luck next time.
- It may help in some cases to try and replace a battery that you can only purchase from a third party supplier.
How would you know if purchasing a battery might help revive your UPS? Well, you'll need to be brave and open it up and do some research. If you don't feel like digging in the guts of an electrical device, this options is not for you and you may stop reading and go on with the option # 1 in the above list.