October 11, 2011 sunpow Thompson 5-2707 headset battery B52707 Part Number: B52707 Type: Li-Polymer Voltage: 3.7V Capacity: 400mAh Compatible with Thompson 5-2707, RCA 5-2707 Share this: Click to share on Reddit (Opens in new window) Reddit TweetShare on Tumblr Click to share on WhatsApp (Opens in new window) WhatsApp Click to share on Telegram (Opens in new window) Telegram Like Loading... Related