Bose QC20, QuietComfort 20, AHB372235PST, PR-452035, wireless headset battery

Outline	Type	Part #	Price	Order
	CS-BQC2SL Generic Requires soldering	Li-Poly 3.7v 240mAh longer runtime than the original Bose 225mAh battery.	$35.00Cdn ($28.00US)	Quantity: Not available

The above batteries will have different model numbers on the product pages since they are after market replacement batteries which are as good or better than the originals.  The current or mAh (milliamp hour) rating of a battery is an indication of the battery capacity or how long it will last on a charge, the higher the better.

1 year warranty and no questions asked 1 month return policy.