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Cell pack for EcoFlow Blade BP 21V 21700 9,0Ah
Index:
EAN:
Available
High-quality cells from the best suppliers
Compatible with a wide range of tools
High performance in all conditions
12-month warranty
Replacement Difficulty:
Fits the selected model Ecoflow blade BP – Please verify compatibility with your device or battery casing before purchase.
Samsung INR21700-30T Cells
Our batteries use original lithium-ion cells manufactured by Samsung with the designation INR21700-30T. These cells have a capacity of 3000 mAh and a current rating of 35 A, ensuring reliable battery performance even under heavy loads.
Thanks to using Samsung cells of the highest quality, we are the only manufacturer offering a quality guarantee! We are confident in our products and are not afraid of potential warranty repairs. We have the knowledge, equipment, and all necessary components for production and servicing of the batteries we offer.
Pre-welded Nickel Tabs
Ready-made output tabs welded to the cell pack enable fast and reliable connection of electronics, BMS, or external contacts. Clean welds with low resistance ensure durability and efficiency. Additionally, Kapton tape is used to protect the pack from overheating and short circuits.
General Battery Handling Instructions – Li-Ion and NiMh/NiCd
- Before Installation
- Check all cells for damage, swelling (Li-Ion), leaks (NiMH/NiCd), or corrosion.
- Ensure correct polarity and clean contacts.
- Do not mix different battery types or new and used cells.
- ⚙️ Cell Characteristics
- Li-Ion: Nominal voltage ~3.7 V per cell (max 4.2 V / min 3.0 V).
- NiMH/NiCd: Nominal voltage ~1.2 V per cell (full charge ~1.4 V / min ~1.0 V).
- 🔋 Charging
- Use chargers designed specifically for the given chemistry.
- Li-Ion: Always use a BMS system. Charge in a fireproof place.
- NiMH/NiCd: Use a smart charger with peak detection. Avoid overcharging.
- 📦 Storage
- Store in a cool (15–25°C), dry place away from sunlight.
- Li-Ion: Store at about 3.7 V (40–60% capacity).
- NiMH/NiCd: Recharge every 2–3 months.
- ⚠️ Safety Tips
- Do not short-circuit terminals or expose batteries to fire, heat, or water.
- If overheating, swelling, or leakage occurs – stop using immediately.
- Do not puncture or open sealed cells.
- ♻️ Disposal
- All batteries should be taken to recycling points.
- NiCd contains cadmium – do not dispose of in mixed waste!
Data sheet
- Battery capacity
- 9000mAh
- Cell type
- Litowo-jonowe
- Cell brand
- Samsung
- Number of cells
- 18
- Condition
- New
- Warranty
- 12 months
- Producent
- Lupo sp. z o.o.
1) The accurate working temperature
Batteries suffer very badly at extreme temperatures. If you want to extend the life of your battery, you should avoid overloading it too much. If your battery works for a very long time, that's why it is probably very hot. It is wise to pull it out of the device and wait 10-15 minutes until it cools down.
2) Battery overcharge
If you want your batteries to have a very long life, you should also avoid their deep discharge. If during daily work on the battery you see a fairly large decrease in the efficiency of the device powered by the battery, you should stop its work as soon as possible and connect the battery to the charger.
3) Battery rest
You must also remember that the discharged battery for proper operation needs about 5 minutes of "free charging" before connecting to ”normal” charging. During "free charging" our battery temperature will drop significantly which will obviously have a very beneficial effect during subsequent charging.
4) Appropriate storage of the battery
The life of batteries is also greatly influenced by their proper storage. If you are not going to use the battery in the near future, it is worth charging it for the level 60-70%. Charged battery should be put in a safe place with temperature above zero.
5) Battery formatting
If you have batteries based on popular NiCd cells, you should also remember that it is possible that the so-called "memory effect" may occur. Batteries with NiCd cells should be discharged at least once every three cycles, and then charged to 100% level. Through these actions you will keep the maximum capacity of the battery.
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High-quality cells from the best suppliers
Compatible with a wide range of tools
High performance in all conditions
12-month warranty
Replacement Difficulty: