With Graupner going out of business their equipment is getting harder to source. My MC20 Tx battery (6,000mah Li-lo) was starting to show signs of it's extensive use and I was looking for a replacement. I found that Overlander stocked a 1s3p Life battery having 7,600mah which fits perfectly into the battery compartment. I would recomend this replacement for anyone else whose existing battery is struggling.
Brian.
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