110VAC Lithium Charger

110VAC Lithium Charger is a lithium Battery Charger designed for 110V AC input grid, mainly suitable for the United States, Canada, Taiwan and other regions. The function of this charger is to convert 110V AC into suitable DC, and charge various types of lithium batteries (such as ternary lithium, lithium iron phosphate) with constant current and constant voltage. This charger is widely used in power tools, mobile medical equipment, electric mobility tools, portable power systems and other industries and scenarios.

The 110VAC input standard is mainly civil AC voltage, so this type of charger needs to have good voltage tolerance, high power conversion efficiency, charging curve accuracy and multiple safety protection mechanisms in design.

2. Features

1. Designed for 110V grid, wide input voltage tolerance

Function description: The charger can adapt to 110V ±10% AC power supply in the United States, Canada and other countries to ensure stable operation on fluctuating civil power grids.

Professional parameters:

Rated input voltage: 110VAC

Able to withstand input range: 90VAC ~ 130VAC

Input frequency: 50Hz / 60Hz dual-frequency automatic identification

Startup delay protection: < 2 seconds

Technical advantages: Wide tolerance design avoids voltage fluctuations from damaging the circuit, improves service life, and has strong stability.

2. Compatible with a variety of lithium battery chemical systems

Function description: Supports a variety of mainstream lithium battery types, including lithium-ion (Li-ion), lithium iron phosphate (LiFePO₄) and ternary lithium (NMC).

Professional parameters:

Output voltage range: 12.6V / 16.8V / 29.4V / 42V / 54.6V and other common configurations

Output current optional: 1A - 20A

Constant voltage accuracy: ±0.5%

Charging efficiency: up to 93%

Technical advantages: meet the needs of different battery capacities and groups (3S-13S), high charging efficiency, low temperature rise, help to extend battery life.

3. Three-stage intelligent charging algorithm

Function description: Adopt intelligent three-stage constant current constant voltage algorithm (CC-CV-Trickle), automatically adjust the output according to the battery status.

Charging stage:

Pre-charge: When the battery voltage is too low (<2.5V/cell), slowly activate the battery with a small current (0.1C);

Constant current charging (CC): Quickly charge to the target voltage with a set current;

Constant voltage charging (CV): Enter the trickle stage to ensure that the battery is fully charged and prevent overcharging.

Professional parameters:

Current accuracy: ±1%

Battery identification automatic switching algorithm: Built-in MCU detects port voltage and starts the appropriate charging stage

Technical advantages: Prevent overcharging and over-discharging, reduce heat accumulation; adapt to aging batteries to avoid damage.

4. Multiple safety protection mechanisms

Function description: With complete safety protection design to prevent battery danger during charging.

Built-in protection functions:

Input overvoltage/undervoltage protection

Output overcurrent/short circuit protection

Temperature protection (NTC/thermistor monitoring)

Battery polarity reverse connection protection

Professional data:

Temperature control protection start temperature: ≥ 75°C

Input surge protection standard: Complies with IEC 61000-4-5

Short circuit protection response time: <2ms

Technical advantages: High safety design, especially suitable for medical, electric travel and other demanding fields.

5. High-efficiency converter and low-heat design

Function description: High-frequency transformer and synchronous rectification technology are used to ensure high efficiency and low loss in the charging process.

Structural data:

Conversion efficiency: ≥ 92% (typical value)

Heat dissipation method: passive aluminum heat dissipation / active fan forced heat dissipation (depending on the power size)

Shell temperature control: < 60°C (normal use)

Technical advantages: no frequency reduction during long-term work, improving the comprehensive life of the charger and battery, suitable for continuous charging scenarios.

6. Comply with multiple international certification standards

Function description: Comply with electrical safety, EMC, and environmental protection regulations of multiple countries and regions.

Certification covers:

UL (US), FCC (US electromagnetic interference)

CE / RoHS (EU safety and environmental protection)

PSE (Japan), KC (Korea), etc.

Technical advantages: suitable for export, adapted to global market demand, and in line with high-end industry procurement standards.

III. Application scenarios

1. Power tools (Drills / Grinders / Saws)

Typical use of 18V / 21V lithium battery packs, 110VAC chargers can be directly adapted to US and Canadian sockets;

Efficient and fast charging reduces workers' waiting time and improves industrial construction efficiency.

2. Electric mobility products

Including electric scooters, electric bicycles, and electric wheelchairs;

Usually use 36V/48V battery packs, and the matching 110V charger can achieve full charging within 2~3 hours.

3. Portable medical equipment

Such as portable ECG monitors, suction pumps, infusion pumps, etc.;

Requires high safety and low temperature rise. 110VAC chargers are UL/FCC certified and are ideal supporting equipment.

4. Outdoor energy storage system (Portable Power Station)

Provides input port for mobile energy storage power supply, usually with a battery capacity of 500Wh~2000Wh;

Supports fast energy replenishment using 110V sockets at home and outdoor camps.

5. Consumer electronic devices and DIY robots

Robots, unmanned vehicles, handheld gaming devices, etc. contain lithium batteries;

110V AC mains is very convenient as a standard household input, providing solutions for charging user-defined devices.