Source: cirosantilli/ciro-santilli-s-hardware/phillips-d400-cordless-phone
= Phillips D400 cordless phone
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https://www.philips.co.uk/c-p/D4002W_22/cordless-phone
Takes two AAA rechargeable batteries.
2021-08: rechargeable battery charges were in, nominal marked 1.2V nickel metal hydride, measured as 1.38V and 1.42V.