The Speras R145 is a high quality 14500 (AA-sized) lithium-ion battery offering 750 mAh capacity and constant 3.7 V (2.75–4.2 V) output. This cell includes integrated overcharge, overdischarge, and short-circuit protection circuits, ensuring reliable safety in everyday and high-drain use.
Uniquely, the R145 supports micro-USB charging, eliminating the need for a separate charger in many use cases. Its compact form factor (φ14.5 mm × 50 mm) and low self-discharge make it suitable for flashlights (كشافات), LED devices, electronics, and backup power systems. Lightweight yet powerful, it's a dependable choice for users who want safe, rechargeable AA-format performance.
Key Features:
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750 mAh rated capacity in 14500 form factor
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Nominal voltage range: 2.75 V to 4.2 V
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Integrated protection: overcharge, overdischarge, short circuit
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Built-in micro-USB port for direct charging (no separate charger needed)
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Low self-discharge to retain charge over time
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Lightweight and compact (≈ 19.5 g net weight)
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Safe for use in high-drain devices and flashlights
Specifications:
| Specification |
Details |
| Capacity |
750 mAh |
| Nominal Voltage |
3.7 V (2.75–4.2 V range) |
| Form Factor |
14500 (≈ AA size) |
| Integrated Protections |
Overcharge / Overdischarge / Short circuit |
| Charging Method |
Micro-USB port built in |
| Dimensions |
14.5 mm (diameter) × 50 mm (length) |
| Net Weight |
~ 19.5 g |
| Use Cases |
Flashlights (كشافات), electronics, LED devices |
| Self-Discharge |
Low (good retention over time) |
| Warranty |
1 year |
