Lankoo B0CT3F47J8
Lankoo CR123A USB Rechargeable Battery User Manual
Model: B0CT3F47J8
1. Introducción
This user manual provides essential information for the safe and effective use of your Lankoo CR123A USB Lithium-ion Rechargeable Batteries. These high-capacity 3.7V 700mAh batteries are designed for convenience and longevity, featuring a Type-C charging port and a long cycle life.

Figure 1: Lankoo CR123A USB Rechargeable Batteries and Charging Cables
2. Información de seguridad
Please read and understand all safety warnings before using the batteries to prevent injury or damage.
- No desmonte, aplaste ni perfore la batería. This can lead to internal short circuits, overheating, or fire.
- No exponer a temperaturas extremas. Avoid direct sunlight, heat sources, or temperatures below -40°C or above 70°C.
- Utilice únicamente cables de carga y fuentes de alimentación compatibles. Asegúrese del volumentage and current match the battery's requirements.
- Mantener fuera del alcance de los niños y las mascotas. Ingestion can be dangerous.
- Deseche las baterías de forma adecuada. Do not dispose of in household waste. Follow local regulations for lithium-ion battery recycling.
- Evite cortocircuitar los terminales de la batería. This can cause severe damage to the battery and potential fire hazard.
- Do not mix with non-rechargeable batteries or batteries of different types/brands.

Figura 2: Protecciones de seguridad integradas
3. Configuración y carga
Before first use, fully charge the batteries.
- Locate the Type-C charging port on the side of each battery.
- Connect the provided Type-C USB cable to the battery's port.
- Plug the other end of the USB cable into a compatible USB power source (e.g., AC adapter, power bank, computer USB port).
- The LED indicator on the battery will show Rojo durante la carga.
- Once fully charged (approximately 1.5 hours), the LED indicator will turn Azul.
- Disconnect the battery from the charging cable once charging is complete.

Figura 3: Capacidad de carga rápida
Charging Demonstration Video
Video 1: Demonstration of CR123A battery charging and voltage output. This video shows the battery being connected to a power supply and a multimeter, demonstrating its 3.7V output and charging process.
4. Instrucciones de funcionamiento
These batteries are designed to replace standard alkaline CR123A batteries in various devices.
- Insert the fully charged Lankoo CR123A battery into your device, ensuring correct polarity (+/-).
- The 3.7V constant output is suitable for a wide range of devices including cameras, flashlights, photo equipment, smart sensors, light meters, and security cameras.
- The battery is designed for over 1200 charge cycles, providing long-term, cost-effective power.
This CR123A battery can replace the following models and sizing names: 123, 123A, BR2/3A, CR123, CR123A, CR123R, CR17335, CR17345, DL123A, EL123AP, K123, K123A, K123LA, L123A, RCR123, SF123A, VL123A, VL123A, 5018LC.

Figure 4: Key Battery Features
5. Mantenimiento y almacenamiento
Proper maintenance ensures the longevity and performance of your batteries.
- Guarde las baterías en un lugar fresco y seco, lejos de la luz solar directa y de temperaturas extremas.
- For long-term storage, it is recommended to charge the batteries to about 50% capacity.
- Avoid completely draining the batteries before recharging to maximize cycle life.
- Clean battery terminals with a dry cloth if necessary to ensure good contact.

Figura 5: Amplio rango de temperatura de funcionamiento
6. Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| Battery not charging (Red LED not on) | Loose cable connection, faulty cable, faulty power source, damaged battery port. | Ensure cable is securely connected. Try a different USB cable or power source. Inspect battery port for damage. |
| La batería no mantiene la carga | Battery nearing end of life, extreme temperature exposure during use/storage. | Ensure proper charging and storage conditions. If battery is old, consider replacement. |
| El dispositivo no se enciende con la batería | Battery not fully charged, incorrect polarity, device incompatibility (rare for CR123A). | Fully charge the battery. Check battery insertion for correct polarity. Verify device requires 3.7V CR123A. |
7. Especificaciones
- Tipo de batería: CR123A USB Lithium-ion Rechargeable
- Capacidad: 700 mAh
- Volumentage: 3.7V (Constant Output)
- Puerto de carga: Tipo-C USB
- Tiempo de carga: Aproximadamente 1.5 horas
- Ciclo de vida: Más de 1200 ciclos
- Certificaciones de seguridad: UL, CE, FCC, RoHS
- Temperatura de funcionamiento: -40°C a 70°C
- Compatibilidad: Replaces 123, 123A, BR2/3A, CR123, CR123A, CR123R, CR17335, CR17345, DL123A, EL123AP, K123, K123A, K123LA, L123A, RCR123, SF123A, VL123A, VL123A, 5018LC.

Figure 6: Detailed Battery Features
8. Garantía y soporte
Para obtener información sobre la garantía o asistencia técnica, consulte el sitio web oficial del fabricante. website or contact their customer service directly. Contact details are typically found on the product packaging or the manufacturer's online presence.
Manufacturer: smartoools
Brand: Lankoo
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