ULTRAFIRE Rechargeable Ion Battery Smart Charger 4000MAH Batteries 4PCS 18650 3.7V

( Brand: Ultrafire ), ( Model: 4000MAH ), ( Part Type: Battery Charger ), ( Chemical-composite: Li-ion ), ( Battery Size: 18650 ), ( Product Type: Battery With Charger ), ( Coin Cell Diameter: 18mm ), ( Voltage: 3.7 V )

Review ULTRAFIRE 4pcs Rechargeable Li ion 18650 Battery 3.7v Batteries Smart Charger Us Stock

The 4000mah 4-pack Rechargeable Li-ion 18650 Batteries by Ultrafire is a versatile and reliable power solution for your electronic devices. Each battery features a capacity of 4000mAh, providing a substantial amount of energy for extended use. The batteries are 18650 in size, a standard dimension widely used in various devices such as flashlights, vaporizers, and certain types of portable electronic gadgets.

The batteries operate at a voltage of 3.7V, ensuring compatibility with most devices that utilize Li-ion batteries. These rechargeable batteries are made of high-quality materials and undergo rigorous testing to ensure safety and performance. They feature a protected circuit that prevents overcharging, over-discharging, over-current, and short-circuiting, ensuring the longevity and safety of the batteries.

To keep these batteries in top shape, Ultrafire includes a smart charger in this package. The smart charger features over-charging protection, temperature control, and multi-slot charging, allowing you to charge up to four batteries simultaneously. The charger provides a clear LED display, showing the charging status of each battery, making it easy to monitor the charging process.

The Ultrafire 4000mah 4-pack Rechargeable Li-ion 18650 Batteries and Smart Charger is a great value for those seeking reliable and long-lasting power for their devices. With their high capacity, safety features, and included smart charger, these batteries are an excellent choice for anyone looking to extend the battery life of their electronics.

1. High Capacity: The 4000mah batteries have a high capacity, which means they can store a large amount of energy and provide a longer runtime for devices such as flashlights, vapes, and portable electronic devices.

2. Smart Charging: The smart charger can detect the battery's charge status and adjust the charging current accordingly to maximize battery lifespan and prevent overcharging or overheating.

3. Cost-effective: Buying a 4-pack of batteries and a charger can be more cost-effective than buying individual batteries and chargers.

4. Compatibility: 18650 batteries are widely used and compatible with a variety of devices, making them a versatile choice.

1. Safety concerns: Li-ion batteries can be dangerous if not handled properly, such as overcharging, overheating, or short-circuiting.

2. Limited charging speed: While the smart charger can detect the battery's charge status, it may not charge the batteries as quickly as a faster charger.

3. Limited warranty: The warranty for these batteries and charger may be limited or non-existent, which means you may not be covered for any manufacturing defects.

The 4000mah 4pcs rechargeable li-ion 18650 batteries and smart charger offer a high capacity, smart charging, cost-effectiveness, and compatibility with various devices. However, safety concerns and limited charging speed are important considerations. If you need a reliable and safe battery solution for your devices, it is recommended to choose a reputable brand with a good warranty and safety features. Additionally, it's important to follow the manufacturer's instructions for proper usage and charging to ensure the longevity of the batteries.

Details:

part #: 4000mah price

• $13.95

specifications baterchar:

• brand: Ultrafire
• model: 4000mah
• part type: Battery Charger
• chemical-composite: Li-ion
• battery size: 18650
• product type: Battery With Charger
• coin cell diameter: 18mm
• voltage: 3.7 V

Returns baterchar:

• type: Money back or replacement buyers choice
• paid by: Buyer
• time: 30 Days
• policy: returns accepted

Payments baterchar:

• PayPal

Seller baterchar:

• zipcode: 91761
• city: Ontario, California

Ratings:

1. FIVE STAR SELLER! FAST FREE shipping with tracking number! PERFECT! Thanks! 07-23-18
2. Great quality, fast shipping A Seller! Thank you 07-23-18
3. Fast shipping. A A A A 07-22-18
4. Thanks again! AAA A pleasure to do business with! 07-23-18
5. GreatQuick 07-22-18

Shipping baterchar:

• cost: $0.0
• handling: 1 days
• type: Calculated

General baterchar:

• condition: New
• multipurpose batteries > battery chargers
• in stock: Yes

Offer baterchar:

• bids: 0
• Sold: 0
• best offer: false
• Started: July 23, 2018, 4:31 am
• quantity: 28

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