Replacement Battery for AT&T 4058R - 4 Volts

Replacement for the AT&T 4058R delivers the precise 4 volt power required by this specific cell phone model. Engineered as a direct fit component, the battery restores full operational capacity once the depleted unit is removed from the device housing. Users in multi-application environments benefit from consistent voltage output that matches original factory specifications without requiring modifications or adapters.

Key Features & Benefits

• Delivers stable 4 volt performance for extended talk and standby times
• Constructed with quality cells to minimize leakage and overheating risks
• Supports seamless integration into AT&T 4058R handsets
• Enables continued use across varied calling and data applications

Installation Guidance

Begin by powering off the device and removing the back cover. Extract the old battery carefully, noting the orientation of contacts. Align the new 4 volt unit in the same position, ensuring terminals connect securely. Replace the cover and charge the phone fully before first use. This straightforward process typically takes under two minutes and requires no special tools. Repeat the steps whenever capacity drops noticeably to maintain peak operation across daily routines.

Longevity and Maintenance

Proper care extends service life significantly. Avoid exposing the battery to extreme temperatures or moisture. Periodic full discharge and recharge cycles help maintain capacity. When stored for extended periods, keep charge levels between 40 and 60 percent in a cool environment.

Why Choose This Option

Aftermarket batteries often vary in quality, yet this unit undergoes testing to confirm voltage accuracy and fitment. It provides an economical alternative to OEM parts while upholding essential safety standards. Customers report restored functionality comparable to the original battery, making it suitable for both personal and professional communication needs. The design prioritizes compatibility and efficiency, reducing downtime and supporting uninterrupted workflows in demanding settings where reliable power proves essential for productivity and connectivity.

Replacement Compatibility

Compatible with AT&T 4058R cell phone units across supported multi-application configurations.

Product Specifications

• Volts: 4
• Chemistry: Lithium-ion
• Capacity: 800mAh

Discover the Perfect Replacement

Browse the available 4 volt battery options to identify the match for your equipment and complete the order for prompt delivery. This selection process guarantees compatibility and avoids unnecessary returns. Explore related accessories and support resources to overall device longevity and user satisfaction through informed choices and proper handling techniques that maximize value from each purchase.

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.