Mitel 5603, 51015431 Cordless Phone Battery

Outline	Model	Type	Capacity	Price	Order
	5603 Generic	Li-ion	3.7v 1000mAh 67% longer runtime than the original battery	$52.00Cdn ($41.60US) 2 week lead time	Quantity:

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.

90 day warranty & no questions asked 1 month return policy