Sony Ericsson R320 R520 T28 T28z T29 T36 T39 T39M Replacement Battery: BatteryClerk.com
Ni-mh 4.8v 850mah Rechargeable Battery Diy For Ericsson Gf788 T10 Cordless Phone Laaa4sb - Rechargeable Batteries - AliExpress
I just restored in working condition my father's Ericsson T10s! It has a custom black shell (hence the “T10sc” label) and it's certainly used, but in very fair condition for its age. :
Ericsson T10 / T18(id:335) Product details - View Ericsson T10 / T18 from JIGSAW TELECOM LTD - EC21