Battery EP500 compatible with Sony E15i, SK17i, ST15i, U5i, U8i, X7, X8, X8i; Sony Ericsson E16i, ST17I, W8, WT18i, WT19i
Features an integrated microchip to prevent overcharging and extend battery life.
Key facts
- Part type
- Phone Battery
- Type
- Aftermarket replacement
Compatibility matrix
Only models verified by our team are listed| Parts for | Model | This part |
|---|---|---|
| Sony | Sony ST15i | Fits |
| Sony X7 | Fits | |
| Sony U8i | Fits | |
| Sony SK17i | Fits | |
| Sony U5i | Fits | |
| Sony X8i | Fits | |
| Sony E15i | Fits | |
| Sony X8 | Fits | |
| Sony Ericsson | Sony Ericsson WT18i | Fits |
| Sony Ericsson ST17I | Fits | |
Only the models listed above have a confirmed catalog fit. If yours is absent, compatibility is unknown, not ruled out. Compare the exact model identifier and any published dimensions or connectors before ordering.
Where to find your model number
- Sony, Sony Ericsson: Usually on the rating label under or on the back of the device. Your owner's manual also lists the model number.
General manufacturer guidance: exact label position can vary by model.
Phone Battery specifications
- Capacity
- 1200mAh
- Voltage
- 3.7VDC
- Battery Type
- Li-ion
- Dimensions
- 4.3 x 4.5 x 0.6 cm
Installation guide - Replacing a removable phone battery
General guidance for this part type - always follow your device manual- No tools required
- Check that the battery code printed on the old battery (for example BL-5C) matches the one on this listing.
- Wipe the phone's contacts with a dry cloth if the phone does not power on.
- 1Switch the phone off. Hold the power key until the phone shuts down. Never pull a battery from a phone that is still on.
- 2Remove the back cover. Press the release button or slide the cover off with both thumbs; on flip phones the latch is usually at the bottom of the back.
- 3Lift out the old battery. Use the small notch at the battery's edge. Note which end carries the gold contacts and which way the label faces.
- 4Fit the new battery. Line its contacts up with the spring contacts in the phone, slide that end in first and press the other end down until it lies flat.
- 5Close and charge. Refit the cover, switch on to check the phone powers up, then charge to full before regular use.
This is general guidance for the part type, not a model-specific procedure. If the part does not fit without force, stop and recheck compatibility.
Maintenance check
Signs it's time to replace
- 01Much shorter run time per charge
- 02Device will not hold a charge or shuts off early
- 03Battery gets unusually hot
- 04Swelling or leaking (stop using it)
More parts for Sony E15i
See all Sony E15i parts
FP-DB2C3BMore parts for Sony SK17i
See all Sony SK17i parts
12 month warranty on every part
Every part we sell is covered for 12 months from delivery. If it fails in normal use, we replace it or refund you , claim it straight from your order page.
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Questions & answers
+Which models does this phone battery fit?
Our team verified it for Sony ST15i, Sony Ericsson WT18i, Sony Ericsson ST17I, Sony X7, Sony U8i, Sony SK17i and 7 more. The full list is in the compatibility table above.
+How do I make sure it fits my exact model?
Find the model number on your device label and compare it with the table above. Our fit guarantee covers verified models.
+What is the battery capacity?
Listed capacity: 1200mAh. A capacity that differs from your original changes run time, not fit.
+What battery chemistry is it?
Listed type: Li-ion. Replace with the same chemistry as your original battery.
+What voltage does it use?
Listed voltage: 3.7VDC. It must match the voltage of your original part.
+What are the dimensions?
Listed size: 4.3 x 4.5 x 0.6 cm. Measure your old phone battery to compare.
+Is it hard to install?
Install difficulty: Advanced · mechanical experience needed. Step by step instructions are on this page.
+How fast will it arrive?
US orders arrive in 7 to 15 business days with free shipping. Other countries are shown at checkout.
+Is there a warranty?
Yes, a 12-month warranty is included, and you can extend it at checkout. Returns are accepted within 30 days.