Biolight Monitor Original Battery Model: LB-08 3INR1966

• Brand:​ Biolight (Guangdong Biolight Meditech Co.)

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• Battery model:​ LB-08

• Biolight P/N:​ 12-100-0003

• Cell marking on pack:​ 3INR1966​ — this is the Sony/Murata 18650 Li-ion cell code​ (3 cells in series “3S” structure clue, INR = Li-ion Ni-Co-Al, 1966 = 19 mm dia. × 66 mm length form factor). It is not​ the battery pack’s order number; the pack order number is LB-08 / 12-100-0003.

• Type:​ Rechargeable smart Li-ion battery pack with BMS + identity chip

• Origin:​ China (cells may be Sony/Murata, Samsung)

Electrical

• Nominal voltage:​ 11.1 V DC​ (10.8 V packs are cross-compatible)

• Capacity — high-cap version:​ 5200 mAh​ / 57.72 Wh​ (3S2P, 6× 2600 mAh 18650)

• Capacity — low-cap version:​ 4000 mAh​ / 44.4 Wh​ (seen on some Q5/A5 original labels)

• Cycle life:​ ≥ 500 cycles (original spec), quality replacements rated 600–1000 cycles

• BMS protection:​ Over-charge, over-discharge, over-current, short-circuit, over-temperature

• Memory effect:​ None (Li-ion)

Mechanical

• Dimensions:​ ≈ 105 × 77 × 21 mm​ (106.6 × 79.9 × 21.9 mm per BatteryWeb)

• Net weight:​ ≈ 315 g​ (316.4 g per BatteryWeb, 320 g per some EU listings)

• Color:​ Black

• Shell:​ Flame-retardant ABS/PC

• Connector:​ Custom Biolight latch-type with data pin (communicates SoC / cycle count to host)

Compatible Biolight Monitors

A5, A6, A8, Q3, Q4, Q5, V6, BLT-V6, E70, F90

Environment & Compliance

• Operating temp:​ 0 – 45 °C (some CN sheets say -10 – 50 °C storage)

• Storage temp:​ -20 – 50 °C

• Humidity:​ 5 – 95 % RH non-condensing