The Xiaomi BN5H is a rechargeable Lithium‑ion Polymer (Li‑Po) battery designed as a replacement internal battery for select Xiaomi, Redmi, and POCO phone models
Specifications
BN5H (internal smartphone battery)
⚡ Battery Type:
• Rechargeable Lithium‑ion Polymer (Li‑Po) — flat, lightweight pouch cell technology commonly used in modern smartphones.
🔋 Capacity:
• 5000 mAh (typical)
• Some listings also indicate around 4900 mAh typical depending on OEM or aftermarket version (~18.9–19.3 Wh).
📈 Voltage:
• 3.87 V nominal operating voltage — standard for Xiaomi smartphone batteries.
⚡ Energy:
• Approximately 19.3 Watt‑hours (Wh) based on 5000 mAh × 3.87 V.
📦 Physical Form:
• Built‑in internal battery — designed to fit inside the phone’s chassis (dimensions approx. ~87.5 × 64.1 × ~4.7 mm in some listings).
📌 Protection & Safety:
• Most high‑quality replacement batteries include built‑in protection circuitry against over‑charge, over‑discharge, short‑circuit and overheating (varies by supplier).
• Often CE, FCC, RoHS certification on replacement units for safety compliance.
🎨 Color:
• Usually white or black depending on manufacturer.
🔧 Installation:
• Designed as a non‑user‑removable internal battery — replacing it typically requires opening the phone and proper tools.
⸻
📱 Typical Device Compatibility
The BN5H battery fits phones that originally shipped with this part number, for example:
• Xiaomi Redmi Note 11E / Redmi Note 11E 5G
• POCO M4 5G / POCO M5 (some variants)
• Xiaomi Redmi 10 5G and similar models (depending on region)
