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For 18 years, the no. 1 battery and adapter specialist
Over 1.000.000 customers

Questions? Please contact us!

Welcome to Batteryupgrade!

Batterychampion has moved to batteryupgrade. As you are used to at BatteryChampion, you will find batteries and adapters for more than 40,000 devices, but with better service, faster delivery and sharper prices.

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Auerswald

We sell batteries, chargers and other accessories suitable for:

Device
Partnumber

Auerswald 20DT
Auerswald 4145
Auerswald 4146
Auerswald 7420
Auerswald 7430
Auerswald 7434
Auerswald 7439
Auerswald 7440
Auerswald 7449
Auerswald Comfort DECT 610
Auerswald Comfort DECT 800
Auerswald INDEX DT20
Auerswald Tiptel Easy DECT 5500
Auerswald WT9620

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Reviews

Philip Mortimer rated us:
: (4/5)
Product:: Siemens Gigaset SL565 battery (750 mAh 3.7 V, Black)
General:: The delay was acceptable but not expected. I had to ask.
About the product:: It worked.

Read reviews from other customers

Safe, easy, fast
For 18 years, the no. 1 battery and adapter specialist
Over 1.000.000 customers

Questions? Please contact us!