Standard LiPo Batteries LP751525 230mAh with 0.851Wh
Battery suitable for Servox 19632 - 230 mAh 7.2 V battery (Blue) - BatteryUpgrade
Cameron Sino 3.7v/230mah Battery For Logitech Ultrathin Touch Mouse T630/t631,n-r0044,1311,ahb521630pjt-01,533-000069(exw) - Digital Batteries - AliExpress