Sony/ Ericsson Z520A/ W600/ W800 battery, Lithium Ion (Li-Ion), Standard Battery is Nearly equivalent to Sony/ Ericsson BST-37/ DPY901526/ BKB19320311 without battery door. - Aftermarket battery is rated at 900 mAh, and keeps a Standard profile on the Sony/ Ericsson Z520A/ W600/ W800 cell phone since it does Not require any larger battery door. Use the battery door that came with your cell phone.
- Powerful Lithium ion battery technology has no memory effect either!
- Light weight battery is approximately 2/3 the weight and size of a Nimh battery of the same capacity!
- This standard duty battery gives satisfactory talk & standby times!
- Note that a new lithium ion battery's full performance is only achieved after 2-3 complete charge and discharge cycles.
- Our One year warranty is easier than the factory warranty if you should need it!
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