Lithium ion polymer battery 39kX/HX/39EX

Rechargeable Lithium‑Ion / Lithium‑Ion Polymer (Li‑Po) smartphone battery — a flat, lightweight pouch cell designed for internal use in mobile devices.

Specifications

• <p><strong>Model Number:</strong> <strong>BL‑39KX</strong> (SKU/Part No: 20IV981_Te) &nbsp;</p><p><strong>Battery Type:</strong> <strong>Rechargeable Lithium‑ion / Lithium‑ion Polymer (Li‑Po)</strong> internal smartphone battery &nbsp;</p><p><strong>Capacity:</strong> <strong>3900 mAh</strong> (≈ 15.01 Wh) — typical rated capacity &nbsp;</p><p><strong>Nominal Voltage:</strong> <strong>3.85 V</strong> &nbsp;</p><p><strong>Maximum Charge Voltage:</strong> ~<strong>4.40 V</strong> (common for Li‑Po cells) &nbsp;</p><p><strong>Chemistry:</strong> Lithium‑ion / Lithium‑polymer style pouch cell &nbsp;</p><p><strong>Compatibility:</strong> Designed for <strong>Infinix Hot 7 (X624)</strong> smartphones &nbsp;</p><p><strong>Certifications:</strong> CE, RoHS, FCC (may also include UL/ISO depending on seller) &nbsp;</p><p><strong>Protection:</strong> Built‑in protection board (over‑charge/discharge, short‑circuit safe operation) — typical of modern replacement batteries &nbsp;</p><p><strong>Condition:</strong> Brand‑new replacement battery &nbsp;</p><p><strong>Form Factor:</strong> Flat internal battery pack — requires phone disassembly for replacement &nbsp;</p><p><br></p><p>📌 <strong>Summary (BL‑39KX):</strong></p><p>• Type: Rechargeable Li‑ion/Li‑Po internal battery</p><p>• Capacity: <strong>3900 mAh / 15.01 Wh</strong></p><p>• Voltage: <strong>3.85 V nominal</strong></p><p>• Max Charge Voltage: ~4.40 V</p><p>• Certifications: CE / RoHS / FCC</p><p>• Compatible With: <strong>Infinix Hot 7 X624</strong> &nbsp;</p><p><br></p><p>⸻</p><p><br></p><p><strong>🔋 BL‑39EX Battery — Specifications</strong></p><p><br></p><p><strong>Model Number:</strong> <strong>BL‑39EX</strong> (SKU/Part No: 20IV1271_Te) &nbsp;</p><p><strong>Battery Type:</strong> <strong>Rechargeable Lithium‑ion (Li‑ion / Li‑Po)</strong> internal smartphone battery &nbsp;</p><p><strong>Capacity:</strong> <strong>3900 mAh</strong> (≈ 15.01 Wh) &nbsp;</p><p><strong>Nominal Voltage:</strong> <strong>3.85 V</strong> &nbsp;</p><p><strong>Maximum Charge Voltage:</strong> ~<strong>4.40 V</strong> &nbsp;</p><p><strong>Chemistry:</strong> Lithium‑ion/Li‑Po pouch cell &nbsp;</p><p><strong>Compatibility:</strong> For <strong>Infinix Hot 5 / Hot 5 Lite (X559)</strong> models &nbsp;</p><p><strong>Certifications:</strong> CE, RoHS, FCC, UL (varies by seller) &nbsp;</p><p><strong>Protection:</strong> Typical built‑in protection against over‑charge/discharge, short‑circuit (on replacement versions) &nbsp;</p><p><strong>Condition:</strong> Brand‑new replacement battery &nbsp;</p><p><strong>Form Factor:</strong> Internal battery pack requiring professional installation &nbsp;</p><p><br></p><p>📌 <strong>Summary (BL‑39EX):</strong></p><p>• Type: Rechargeable Li‑ion/Li‑Po internal battery</p><p>• Capacity: <strong>3900 mAh / 15.01 Wh</strong></p><p>• Voltage: <strong>3.85 V nominal</strong></p><p>• Max Charge Voltage: ~4.40 V</p><p>• Certifications: CE / RoHS / FCC / UL</p><p>• Compatible With: <strong>Infinix Hot 5 / Hot 5 Lite (X559)</strong> &nbsp;</p><p><br></p>