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Mathmos repair and battery replacement

20 year old Mathmos Colour changing LED light with inductive charging and remote control. look like frosted pillar candles

battery dead not reading remote control commands properly. still kinda works on the charging plate

 

remove base with sharp knife

badly swollen little lipo cell no helpful idenfifying marks test voltage of dead battery and the induction coil to determine cell type needed, add referrer link to appropriate lipo cell on amazon

 

cut battery connectors one at a time with wire cutters to slightly different lengths

 

take new wire and add 2pin jst female connectors

then solder to + and – on the circuit board

quick test with 18650 cell as the voltages are the same..

 

 

 

 

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