Based on this product's specifications, here are some alternatives and similar models
Power jack with cable extra digital for ACER Aspire 5720/5720G PJ340712
Summary description:
Replacement power jack with cable by extra digital compatible with ACER Aspire 5720 and 5720G (manufacturer code PJ340712). Designed to replace a damaged or faulty DC input assembly, it restores power connection between the laptop and its adapter. Suitable for repair use, it helps avoid full motherboard replacement and returns the device to normal charging and operation.