Battery Model: BLP805 Battery Type: Rechargeable Lithium‑ion (Li‑ion) / Li‑ion Polymer (Li‑Po) internal battery for OPPO phones. Capacity: 4890 mAh (~18.92 Wh) — high‑capacity battery for extended daily use. 
Specifications
Here are the official‑style specifications for the OPPO BLP805 and OPPO BLP835 rechargeable lithium‑ion (Li‑ion) / lithium‑ion polymer (Li‑Po) smartphone batteries:
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🔋 OPPO BLP805 Battery — Specifications
Model: BLP805
Battery Type: Rechargeable Li‑ion / Li‑ion Polymer (Li‑Po) internal smartphone battery (flat pouch cell design)
Capacity: 4890 mAh (~18.92 Wh) — rated energy storage capacity
Nominal Voltage: 3.87 V — standard for single‑cell smartphone batteries
Maximum Charge Voltage: ~4.20 V – 4.45 V (typical upper limit for Li‑ion cells)
Chemistry: Lithium‑ion (Li‑ion / Li‑Po pouch cell)
Form Factor: Internal non‑removable battery — installed inside the phone chassis
Protection & Safety: Often includes built‑in protection circuitry in replacement units; commonly certified CE, UL, RoHS, ISO for safety and compliance
Color: Usually white (replacement unit)
Typical Compatible Phones: OPPO A32 (ensure exact model match before replacing)
📌 Summary (BLP805)
• Capacity: 4890 mAh / ~18.92 Wh
• Voltage: 3.87 V nominal
• Chemistry: Li‑ion / Li‑Po
• Certifications: CE, UL, RoHS, ISO
• Fit: Internal battery for OPPO A32‑series phones
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🔋 OPPO BLP835 Battery — Specifications
Model: BLP835
Battery Type: Rechargeable Li‑ion (Li‑Po style internal cell)
Capacity: 4220 mAh (~16.33 Wh) — storage capacity of battery
Nominal Voltage: 3.87 V — standard operating voltage
Maximum Charge Voltage: ~4.45 V (typical for Li‑ion cells)
Chemistry: Lithium‑ion (flat internal cell)
Form Factor: Internal non‑removable battery for smartphones
Protection & Safety: Certification often includes CE, UL, RoHS, ISO9001/9002, etc., and built‑in protection against over‑charge/discharge and short circuits
Color: Typically white (replacement battery)
Typical Compatible Phones:
• OPPO Reno5 F
• OPPO Reno5 Lite
• OPPO A94 (4G)
• OPPO F19 Pro
📌 Summary (BLP835)
• Capacity: 4220 mAh / ~16.33 Wh
• Voltage: 3.87 V nominal
• Chemistry: Li‑ion
• Certifications: CE, UL, RoHS, ISO
• Fit: Internal battery for select OPPO Reno and A‑series phones