1) Product Description
Cellmaxs Premium Battery – A cost-effective battery solution offering reliable performance and excellent value for daily replacement needs.
2) Suitable For Repair Use ⚠️
This battery is suitable for fixing:
• Battery drains fast ✅
• Battery percentage drops quickly ✅
• Phone shuts down randomly ✅
• Short battery life ✅
• Battery swelling ✅
• Old battery cannot hold charge ✅
• Battery replacement for repair use ✅
This battery may NOT solve problems caused by:
• Damaged motherboard ❌
• Charging port problem ❌
• Charging IC problem ❌
• Water damage ❌
• Software/system issue ❌
• Wrong model or wrong connector ❌
If your phone cannot power on at all, please check the motherboard and charging port first before replace.
3) Compatible Models
• Samsung Galaxy S25 /
SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS ✅
Battery Model: EB-BS931ABY ✅
4) What’s Included
• Battery Only
Replacement Battery x1
Battery Adhesive x1
• Battery & Tools
Replacement Battery x1
Battery Adhesive x1
Installation Tool Kit x1
5) Warranty Policy️
Warranty: 1 months from the date of package receipt
✅ Warranty valid:
• Factory defect
• Battery cannot work during pre-installation testing
• Battery swelling or leakage on arrival
• Shipping damage / missing items
• Wrong item received
❌ Warranty void:
• Battery already installed and damaged during installation
• Battery bent, punctured, pressed, cut, or deformed
• Flex cable or connector damaged
• Damage caused by wrong installation
• Damage caused by water-damaged phone
• Damage caused by motherboard / charging port / charging IC issue
• Damage caused by improper charger, overheating, or short circuit
• Wrong model ordered by buyer
For warranty checking, please provide clear photos and videos before installation.
6) Installation Reminder
① Power off the phone before installation.
② Compare the old battery model, size, connector, and flex cable position before installation.
③ Do not bend, puncture, press, heat, or damage the battery.
④ Please test the battery before sealing the back cover.
⑤ Professional installation is strongly recommended. Damage caused by improper installation is not covered by warranty.
⑥ After installation, the first battery percentage may be inaccurate. Please complete 2–3 full charge cycles for better battery performance.
Battery calibration suggestion:
Use the phone until it powers off automatically → Charge to 100% without interruption → Repeat 2–3 cycles.
For best results, please use a good quality original charger and cable.
7) Shipping & Packaging
• COD Cash on Delivery: Supported ✅
• Local Standard: Ships within 24 hours for selected ready-stock models
• International Standard: Estimated delivery time depends on checkout page.
• All items are checked and packed carefully before shipping.
