| Customization: | Available |
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| Type: | Li-ion Battery |
| Cathode Material: | NCM |
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21700 power lithium battery, 5000mAh.
Can replace 18650, saving huge costs.
The positive and negative electrodes have not been soldered, so it is better to use nickel. The battery has a very high safety personality and excellent quality!!! Battery voltage internal resistance paired
[Product Features]
1. Each box of this battery cell contains 100PCS, which is a box with high consistency
2. Features: High safety performance, no explosion, no combustion; Non toxic and pollution-free; Good consistency, long lifespan, with more than 1000 cycles; Good high-temperature resistance and resistance to overcharging
3. Safety: The battery has excellent safety and will not catch fire or explode. The product is suitable for electric tools, aircraft models, and some electrical appliances with high current loads and high cycling performance requirements.
UN38.3, MSDS, Specification, CB, Certificate for safe transport all available to make sure the smooth delivery.
It is 9 class goods, but we have own battery channel to arrange samples for our customers if they need.
| Model: 21700 |
| Dimensions: diameter 21mm, length 70mm |
| Weight: around 68g |
| Rated voltage: 3.6V |
| Capacity: 4500mAh -4800mAh -5000mAh |
| Internal resistance: around 13 |
| Charging voltage: 4.2V |
| Discharge cut-off voltage: 2.5V |
| Discharge current: 5C discharge (can instantly discharge at 10C) |
Application areas: 21700 high-capacity batteries are suitable for: electric bicycle batteries, mobile power supplies, strong flashlights, multiple series and parallel battery packs, curly hair heating rods, skateboards, LED lights, mining lights, street lights, backup power supplies, computers, mobile devices, etc.
We are direct factory since 2011, and supply all kinds of batterys according to customers' demand, car batteries, home energy storage batteries, heavy duty Veihcle Batteries, Road Cleaning truck battries, Toys, Power Tools, Home Appliances, Consumer Electronics, BOATS, Golf Carts, SUBMARINES, Electric Bicycles/Scooters, Electric Folklifts, electric vehicles, Electric Wheelchairs, Electric Power Systems, Solar Energy Storage Systems, Uninterruptible Power Supplies(UPS), low temperature, high temperature special batteries, etc.
And we have the world first class productionline and test equipments, to make sure the cost-effctive price with stable quality and supply ability.
From initial design to final production, we prioritize manufacturing quality to ensure that CNS Product not only meets but exceeds industry standards.
Our team of experts meticulously oversees every step, employing stringent quality control measures that guarantee the reliability and long-term performance of our storage solutions.
Our state-of-the-art laboratory serves as the foundation of our commitment to quality. We conduct comprehensive performance testing, analyzing every aspect of our batteries to ensure they meet the highest benchmarks.
This meticulous approach ensures that our customers receive battery systems they can rely on, even in the most demanding applications.
Q1: What is your terms of payment?
A: 30% deposit in advance, 70% balance against goods ready.We'll show you the photos of the products and packages before you pay the balance.
Q2: Can you print my logo on the battery cover?
A: Yes, OEM is available,we can print your logo on the battery case, and you can offer your logo.
Q3: How to maintain the battery?
A:The battery should be stored in clean, dry, ventilated, dark environment when not using, keep it after full charge, recharge it every 3 months or 6 months.
Q4: If a battery fails, what will be the indications?
A: 1.Lower performance
2.Low voltage
3.Cannot charge/recharge
4.Swelled container
5.Acid corrosion
Q5: How can you tell if a battery is good or bad?
A: You should first check the battery for defects such as a broken circuit, a short, or a broken container. If an outward problem is not apparent, then you will have to check the battery's capacity using known measuring techniques to ascertain the problem.
Q6: Do you test all your goods before delivery?
A:Yes, we 100% test before delivery.
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