Kuugro ku-4000 18650 Battery 4000mAh 3.7V 12A Discharging Rechargeable Batteries For Battery Packs Power Tool Flashlight Fan
75,43 zł 701,41 złPrice range: 75,43 zł through 701,41 zł
- High-concerned chemical: None
- Battery Number: 1-20pcs
- Size: 18650
- Set Type: Batteries Only
- Type: Li-Ion
- Nominal Capacity: 4000mAh
- Model Number: 18650 battery
- Brand Name: kuugro
- Origin: Mainland China
- Product Name: 18650 Battery 4000mAh
- 18650 Battery Cycle Life: ≥1200 cycles
- Maximum Stable Discharge Current: 12A
- Suitable for: Battery Packs Power Tool Flashlight Fan
- 18650 Battery: Flat Top
Kuugro ku-4000 18650 Battery 4000mAh 3.7V 12A Discharging Rechargeable Batteries For Battery Packs Power Tool Flashlight Fan
Product parameters:
Brand: kuugro
Model: ku-4000
Capacity: 3900-4000mAh
Internal resistance: <16mΩ
Maximum charging current: 4A
Maximum discharge current: 12A
Charging times: 1200 times
Battery voltage: standard voltage 3.7V
the voltage after charging is 4.2V
and the voltage when discharging is 2.5V
Battery weight: About 48g±1g
Battery size: 18.3*65.05mm±0.1mm
Product features:
Comes with explosion-proof valve;
Quality Assurance;
long lasting;
High security;
Widely used: Flashlight, Fan, Bluetooth speaker, POS machine, driving recorder, massager, beauty instrument and so on.
Note:
1. Don’t wait until the battery runs out before charging, lithium batteries are not the same as ordinary batteries. Charging the batteries before using them is not conducive to the health of the lithium battery, Depleting the battery may cause it to fail to recharge.
2. Don’t put the lithium battery in a place with high temperature. The lithium battery prefers a place with a low temperature.
3. Summary of charging methods: short charging and short charging (infrequently charging, but if you want to rush!).
4. It is the time to charge when the power drops to 10% ~ 20%.
5. Use high-quality dedicated lithium battery charger with protection function.
6. In low-temperature weather, the use time of the lithium battery will be significantly shortened. This is normal, and it will be restored in about 1 hour in a warm place.
7. The capacity will vary depending of the discharge current.
8 reviews for Kuugro ku-4000 18650 Battery 4000mAh 3.7V 12A Discharging Rechargeable Batteries For Battery Packs Power Tool Flashlight Fan
Only logged in customers who have purchased this product may leave a review.
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Kuugro ku-4000 18650 Battery 4...
75,43 zł 701,41 złPrice range: 75,43 zł through 701,41 zł
M***b (verified owner) –
According to the manufacturer’s description. 🥳 👍
Thank you very much 🤗
A***l (verified owner) –
Very fast delivery!! !
I will order even more.
I haven’t gotten to the 4k mAh yet, but it’s getting better with each cycle!
I am satisfied with the product.
AliExpress Shopper (verified owner) –
I’m not entirely sure if it’s really 4000mAh, but it’s definitely sufficient for my mini fan.
Н***ч (verified owner) –
AliExpress Shopper (verified owner) –
I haven’t tested it for capacity. They arrived charged to 3.84. The resistance is also not high, 16 mOhm. If I’m not mistaken.
F***a (verified owner) –
I received the product and it looks exactly as described. It remains to be seen over time how well it will hold up. I recommend the product and the seller. It could also be improved in the shipping and communication of the package!
M***a (verified owner) –
The batteries have arrived within the estimated time, they have good capacity and energy storage. I recommend them.
AliExpress Shopper (verified owner) –
arrived intact, working.
I did not check the capacity.