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Ascom 9D41, D41, D43, 660177, Avaya 3720, Ericsson DT390, Detewe DT390, DT690, Cordless Phone Battery

OutlineModel TypeCapacityPriceOrder
Ascom D41, 660177, Avaya 3720, Ericsson DT390CS-ERT390CLLi-ion3.7v

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.

There is a $12 Cdn ($9.60US) shipping and handling charge.
90 day warranty & no questions asked 1 month return policy