HQRP 1300mAh battery for TomTom Go 720 730 730T 930 930T 630 740 Live GPS 630T; 1697461 / VF8 / AHL03714000 (Electronics)
It's perfect, and I could carry on my TomTom replacement without difficulty. You have to take pictures before dismantling it helps you install. And absolutely have a 6 Torx wrench.