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: Share on Reddit (Opens in new window) Reddit TweetShare on Tumblr Share on WhatsApp (Opens in new window) WhatsApp Share on Telegram (Opens in new window) Telegram Like Loading... Related