Battery Charger Basen Bo-2 Pro Charger Universal 21700 26650 18650 18350

Basen BO2 Smart Battery Charger: Dual Charging with Intelligent Features The Basen BO2 is a premium smart charger equipped with a wide-temperature control device. This product is designed with two independent charging channels, allowing you to charge two rechargeable batteries simultaneously. It offers various charging current options to cater to both fast-charging and trickle-charging needs. The charger provides real-time charging status for each individual battery. Safety is a top priority with this charger, featuring a secure charge and discharge circuit with multiple security protection settings. These safeguards prevent issues such as reverse polarity, short circuits, overcharging, over-discharging, and overcurrent, ensuring user safety. Additionally, the charger includes a USB output port, effectively turning it into a mobile power source for charging devices like iPad, iPhone, and other digital products. Specifications: Input Power: USB DC5V-2A Charging Current: 0.5A 500mA±10% 1.0A 1000mA±10% 2.0A 2000mA±10% (Channel 1 doesn't work, channel 2 works) Cut-off Voltage: 4.20 ± 0.05 V Compatible with Li-ion Battery: 10440 14500 14650 16340 16650 17650 17670 18350 18490 18500 18650 1870 22650 20700 21700 22700 25500 26650 26700 (Not for AA or AAA batteries) Activate Current: 10mA ~ 20mA, Battery Voltage < 2.9V External Power Supply Standby Current < 20.0mA Storage and Environment: -40°C ~ +70°C Usage and Environment: -20°C ~ 65°C Features: Three charging modes: current of 0.5A/1A/2A can be switched by pressing the switch button to meet the charging requirements of various 3.7V lithium batteries with different cylindrical specifications. Circuit anti-reverse function: In case of positive and negative short circuits in the channel, battery short circuits, or reversed battery polarity, the charger's protection function activates promptly to prevent damage. Low Voltage Activation Function: When the charger is on standby and detects a low voltage battery (battery voltage ≤ 2.9V), it activates trickle charging to revive the low voltage battery automatically. Overcharge Protection and Automatic Detection of Charging Function: If the battery voltage is below 4.18V, the charger initiates the charging function and charges the rechargeable battery. Once the battery is fully charged, the charger automatically activates overcharge protection and stops charging. Package Includes: 1 x Basen BO2 Battery Charger 1 x Charger Cable 1 x User Manual 1 x Warranty Card "We have an effective age verification process that satisfies due diligence and will not sell to persons that are under 18 years old."