SMD battery SoLiCell SCD4532K

3 VIoTall-solid-state

Overview
All‑solid‑state SMD battery SoLiCell® removes liquid electrolytes to eliminate leakage and ignition risks. Its compact surface‑mount package supports SMT assembly and ensures stable operation in rotating systems and vacuum environments. Designed for reliable performance across wide temperature ranges, suitable as a next‑generation 3V‑class power source for embedded and IoT devices.

Manufactured in
Manufactured in Kosai plant (Location: Kosai City, Shizuoka, Japan).

Key Features of SoLiCell®

• No risk of ignition (solid electrolyte)
• Compact chip size suitable for SMD
• SMT-compatible surface‑mount design
• Wide operating temperature range
• Versatile 3V-class power source

Applications of SoLiCell®

• Backup power for RTCs (Real‑Time Clocks)
• IoT sensors
• Dashcams (dashboard cameras)
• Smart meters
• Remote controllers and other embedded devices

Specifications
Model: SCC4532K / SCD4532K (SCD4532K: under development)
Nominal voltage: 3V
Nominal capacity: 0.15mAh (SCC4532K) / 0.10mAh (SCD4532K)
Rated capacity: 0.13mAh (SCC4532K) / 0.08mAh (SCD4532K)
Charge (CC‑CV) charge voltage: 3.37–3.43V (SCC4532K) / 2.8–3.2V (SCD4532K)
Standard charge current: 0.15mA (SCC4532K) / 0.1mA (SCD4532K)
Discharge (CC) lower limit voltage: 0V
Standard discharge current: 0.03mA (SCC4532K) / 0.02mA (SCD4532K)
Dimensions (L×W×H): 4.5 mm × 3.2 mm × 1.4 mm
Approx. weight: 0.05 g
Operating temperature range: -20–105°C (both models); SCD4532K: -40–105°C for RTC backup
Data sheet: scc4532k_data-sheet_20260318.pdf

Technical notes
(1) Nominal capacity: Representative capacity measured at 23°C. After charging 5 hours at the standard charge current/voltage midpoint, discharged under standard conditions (end voltage: 1.5V).
(2) Rated capacity: Minimum capacity value on the 5th cycle under the same test conditions at 23°C.

Additional technical details

• Manufacturer: FDK
• Safety: all‑solid‑state construction, no liquid electrolyte
• Mounting: SMT‑compatible surface‑mount device