1. Introduzione
Thank you for choosing the Flujoy CS-HTR621BL Replacement Battery. This manual provides essential information for the safe and effective use, installation, and maintenance of your new battery. This battery is designed as a high-quality replacement for various Hetronic remote control systems.

Figura 1: in alto view of the Flujoy CS-HTR621BL Replacement Battery, showing the product label with model and specification details.
2. Informazioni sulla sicurezza
Please read all safety warnings carefully before using this product. Failure to follow these instructions may result in fire, electric shock, injury, or damage to the product or property.
- DO NOT ATTEMPT TO DISASSEMBLE, OPEN OR SERVICE THE BATTERY PACK. This battery pack is a sealed unit and contains no user-serviceable parts.
- SOSTITUIRE SOLO CON IL PACCO BATTERIA DESIGNATO PER QUESTO PRODOTTO. Ensure compatibility with your device model and part number.
- DO NOT CRUSH, PUNCTURE, SHORT EXTERNAL CONTACTS OR DISPOSE OF IN FIRE OR WATER. Such actions can lead to overheating, explosion, or leakage.
- DO NOT STORE ABOVE 60°C (140°F). High temperatures can degrade battery performance and pose safety risks.
- Tenere la batteria lontano dalla portata dei bambini e degli animali domestici.
- Se la batteria presenta segni di danneggiamento, rigonfiamento o perdite, interromperne immediatamente l'uso e smaltirla correttamente.
3. Configurazione e installazione
This section guides you through the process of replacing your old battery with the new Flujoy CS-HTR621BL battery.
3.1 Controllo di compatibilità
Before installation, verify that your device model or original battery part number is listed as compatible. This battery is compatible with:
- Compatible Device Models: ERGO, NOVA-XL, HET300, MINI, IIC RP, Mini FBH300, NOVA-S, NOVA, MINI-EX-IIB, NOVA-M, EURO
- Numeri di parte compatibili: 68300520, RHE3620KG, 68300940, Mini EX2-22, HE900, 68304605, 68301000, KH68300990, 900, 68304600, RHE3614KG, 68300900, 68300600
3.2 Passaggi di installazione
- Dispositivo di spegnimento: Ensure the Hetronic remote control device is completely powered off before attempting battery replacement.
- Individuare il vano batteria: Identify and open the battery compartment on your device. Refer to your device's original manual if you are unsure.
- Rimuovere la vecchia batteria: Carefully disconnect and remove the old battery. Note its orientation.
- Inserire una nuova batteria: Align the Flujoy CS-HTR621BL battery with the contacts in the compartment. Ensure a secure fit.

Figura 2: lato view of the Flujoy CS-HTR621BL Replacement Battery, showing the electrical contacts for device connection.
- Chiudi scomparto: Chiudere saldamente il coperchio del vano batterie.
- Carica iniziale: Si consiglia di caricare completamente la nuova batteria prima del primo utilizzo.
4. Istruzioni per l'uso
The Flujoy CS-HTR621BL is a Ni-MH battery designed for reliable performance. Follow your device's instructions for charging and usage.
4.1 Ricarica
- Use only the charger specifically designed for your Hetronic device and Ni-MH batteries.
- Ensure proper connection between the battery and the charger.
- Allow the battery to charge fully before disconnecting. Overcharging is generally not an issue with modern Ni-MH chargers, but prolonged excessive charging can reduce battery life.
4.2 Utilizzo
- Operate your device within its specified temperature range.
- Avoid completely draining the battery frequently, as this can shorten its lifespan. Ni-MH batteries benefit from occasional full discharge cycles to prevent memory effect, but not every time.
5. Manutenzione
Una corretta manutenzione prolungherà la durata e le prestazioni della batteria.
- Pulizia: Keep the battery contacts clean and free of dirt or corrosion. Use a dry, soft cloth to wipe them if necessary.
- Magazzinaggio: If storing the battery for an extended period, store it in a cool, dry place, ideally at room temperature (20-25°C or 68-77°F) and at approximately 40-50% charge. Avoid extreme temperatures.
- Stoccaggio a lungo termine: For very long storage periods, it is advisable to periodically charge the battery to maintain its capacity and prevent deep discharge.
6. Risoluzione Dei Problemi
If you encounter issues with your Flujoy CS-HTR621BL battery, consider the following common solutions:
- Batteria non in carica:
- Ensure the charger is properly connected and functioning.
- Check battery contacts for dirt or corrosion and clean if necessary.
- Verify the charger is compatible with Ni-MH batteries.
- Tempo di funzionamento breve:
- Assicurarsi che la batteria sia completamente carica prima dell'uso.
- Battery capacity naturally degrades over time and with usage cycles.
- L'utilizzo a temperature estreme può influire sulle prestazioni della batteria.
- Il dispositivo non si accende:
- Confirm the battery is correctly installed and fully charged.
- Check for any damage to the battery or device.
If problems persist, refer to your device's original manual or contact customer support.
7. Specifiche
Detailed specifications for the Flujoy CS-HTR621BL Replacement Battery:

Figura 3: primo piano view of the battery label, detailing model number, rating, and type.
| Caratteristica | Dettaglio |
|---|---|
| Numero di modello | CS-HTR621BL |
| Tipo di batteria | Ni-MH (nichel metallo idruro) |
| Capacità | 2500mAh |
| Voltage | 3.6V |
| Watt-ora (Wh) | 9.0 Wh |
| Dimensioni del prodotto | 60.35 x 54.6 x 22.1mm (2.38 x 2.15 x 0.87 pollici) |
| Peso dell'articolo | 6.2 once |
| Produttore | Flujoy |
| Certificazioni | ISO9001, RoHS, CE, UN38.3, MSDS |
8. Garanzia e supporto
Flujoy stands behind the quality of its products.
- Garanzia: This product comes with a 60-day period for a full refund or a free replacement, with no reason required.
- Assistenza clienti: For any questions, concerns, or support needs regarding your Flujoy CS-HTR621BL battery, please contact the manufacturer or your point of purchase.