BL-29CY 3000mAh 3.8V Li-ion Polymer Replacement Battery for ZTE Blade L220 Standard 5V Charging

Description

Battery model: BL-29CY
Capacity: 3000mAh / 11.4Wh
Rated voltage: 3.8V
Charge limit voltage: 4.35V
Battery type: Li-ion Polymer (Grade A cells)
Compatible with: ZTE Blade L220
Package include: 1 x battery
Restore the battery performance of your ZTE Blade L220 with this BL-29CY 3000mAh replacement battery. The ZTE Blade L220 is a practical entry-level smartphone designed for reliable daily communication and basic app usage. Unlike many modern phones with sealed batteries, the Blade L220 features a user-removable back cover — making battery replacement significantly simpler without requiring heat guns or special tools. This Li-ion Polymer battery delivers the original 3000mAh capacity for a full day of calls, messaging, and light browsing.
Key Differentiator – Removable Battery Design: The ZTE Blade L220 retains the traditional removable back cover design, which offers a major advantage over sealed smartphones: you can replace the battery instantly without any technical skills. No heating, no prying, no risk of damaging the screen. Simply power off the device, remove the back cover, take out the old BL-29CY battery, insert the new one, and close the cover. This makes the BL-29CY replacement battery for ZTE Blade L220 an ideal spare to carry for extended travel or as a backup power solution.
Technical Specifications: This BL-29CY 3000mAh battery for ZTE Blade L220 has a rated voltage of 3.8V and a charge limit voltage of 4.35V. It uses grade A Li-ion Polymer cells with built-in protection circuit module (PCM) against over-charge, over-discharge, short circuit, and over-current. CE, RoHS, and UN38.3 certified for safety. For optimal performance, use a standard 5V/2A charger — the device does not support Quick Charge (QC) or Power Delivery (PD) fast charging protocols. Attempting to use fast chargers may result in slower charging or potential circuit damage.
Compatibility Note: This BL-29CY battery replacement for ZTE Blade L220 fits the ZTE Blade L220 only. Please confirm your original battery model before ordering — BL-29CY is printed on the battery label inside your phone. The Blade L220 typically features a 6.5-inch HD+ display and a plastic body with removable back panel. If your current battery swells, drains too quickly, or causes unexpected shutdowns, this replacement will restore normal operation.
Installation Guide for Removable Back Cover Design: 1) Power off the ZTE Blade L220 completely. 2) Remove the back cover (usually a small notch at the bottom edge). 3) Locate the BL-29CY battery — it is held in place by simple clips, not strong adhesive. 4) Lift the old battery out using the designated tab or gently pry with a fingernail. 5) Insert the new BL-29CY battery, ensuring the metal contacts align with the phone’s terminals. 6) Replace the back cover and power on. No tools, heat, or technical expertise required. If the phone does not power on immediately, connect it to a charger for 5-10 minutes to activate the protection circuit.
Battery Care Tips: For maximum lifespan, avoid fully discharging below 10% regularly. Keep battery level between 20% and 80% for daily use. Use a standard 5V/2A charger only — do not use QC/PD fast chargers. If storing the device for more than 2 months, keep the battery at approximately 60% charge. Avoid exposing the phone to high temperatures (e.g., inside a car in summer). Stop using immediately if the battery shows any swelling. For optimal ZTE Blade L220 battery calibration, perform one full discharge-recharge cycle after installing a new battery to help the system report accurate battery levels.