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

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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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T-Mobile Sidekick

We sell batteries, chargers and other accessories suitable for:

Popular devices

Sidekick 2

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Reviews

Howard-Philip Ford rated us:
: (4/5)
Product:: T-Mobile Sidekick battery (1250 mAh 3.7 V)
General:: Know what their doing and do it well. Love free P & P. Many thanks.
About the product:: Bought 2000 amp hr batts for my LG Opt P500 instead of the 1400 a h in my phone. Have not noticed any great difference in use yet. Time will tell.

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!