Amazon.com: Replacement Battery for LOGITECH G533, G933 Part NO 533-000132 : Electronics
3.7V 2000mAh li Polymer Li ion Battery For MP3 MP4 DVR Toys Replacement Logitech G933 G533 Bluetooth headset 533 000132|Replacement Batteries| - AliExpress
G933 Battery Replacement for LOGITECH G533 and G933 Artemis Spectrum Wireless Gaming Headset