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+[title] Battery
+[* black] On the other side the battery is soldered to the board.
+[* black] It is marked with T (temperature), B-, and B+.
+[* black] The battery is a Synergy AHB110520CPS. An online search revealed nothing. I wonder if this is a proprietary battery only sold to Bose, or its just already obsolete (1.5 yrs old).
+[* black] The battery specs are 495mAh 3.7V, 4.2V max (I think).
+[* black] It is an Advanced Hybrid Battery, which is a very compact battery technology made by Synergy Taiwan.
+[* icon_caution] Replace with a battery of similar specifications, and try to find one with similar internal resistance. I am not sure how to measure that for this battery but you may look it up online.

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