New 800mAh 3.7V Li-ion Battery for Ascom D63 DH7 DECT 3735 Mitel 5614 5634 Replaces 490933A 660497 Grade A Cells 12-Month Warranty

Why You Need This Battery Your Ascom or Mitel DECT cordless phone is a critical communication tool in fast-paced environments like hospitals, hotels, and warehouses. When the original battery starts to fail shorter talk time, unexpected shutdowns, or the handset refusing to hold a charge productivity suffers. Replacing it with a cheap, lowquality battery often leads to false capacity readings, swelling, or failure within months. This replacement battery solves that problem delivering true 800mAh / 2.96W h capacity with brand new Grade A Li-ion cells. What you see is what you get.

Important Compatibility Check Compatible Models Compatible Models Ascom D63 Ascom DH7-ADAA Ascom D63 Protector Ascom DH7-ABBA Ascom D63 Messenger Lite Ascom DH7-AABA Ascom D63 Talker Lite Ascom DECT 3735 Ascom DH7 Ascom i63 Innovaphone IP73 Mitel 5614 Mitel 5634
Replaces OEM part numbers: Common P/N 490933A 660497 Innovaphone 490933A

Specifications

You Can Trust Specification Detail Model CS-AYD630CL / CP-MTL03 Compatible Chemistry Li-ion (Li-Polymer available) Voltage 3.7V Capacity 800mAh / 2.96W h Dimensions 79.72 × 47.16 × 10.30 mm Weight Approx. 29-79g Color Black Safety Standards CE, RoHS Condition Brand new Grade A cells Warranty 30day return + 12month warranty What a Cheap or Failing Battery Costs You Interrupted calls Phone dies during critical communications. Short talk time Handset lasts only a few hours between charges. Swelling Dangerous bulging that can crack the phone housing. System errors Inaccurate battery percentage readings and unexpected power-offs. What Our Battery Delivers Feature Cheap Generic Our Premium Battery True Capacity Often under 700mAh 800mAh (tested) Cells Recycled or lowgrade Brand new Grade A Talk Time 46 hours 810+ hours Swelling Risk High within months Low, proper BMS Safety Standards None CE, RoHS Warranty None or 30 days 30day return + 12month Who Is This Battery For? Healthcare workers using Ascom D63/DH7 phones for patient communication. Hospitality staff relying on Mitel 5614/5634 cordless handsets. Warehouse and logistics teams using DECT phones for daily operations. IT departments managing fleets of Ascom and Mitel cordless phones.

Anyone whose original 490933A or 660497 battery is swollen or no longer holds a charge. Why Choose Our Battery? Genuine Grade A Li-ion cells Not recycled or refurbished. Exact OEM specifications Matches original 3.7V / 800mAh design. Advanced safety protection Short-circuit and overcharge protection built in. 100% tested Each unit is tested for capacity and cycle life before shipping. 12month warranty Buy with confidence. If anything goes wrong, we've got you covered.