Products

3S1P LG 21700 11.1V 5800mAh Battery

Built with original LG 21700 cells in a 3S1P configuration, this 11.1V 5800mAh lithium-ion battery pack delivers high energy density, stable output, and long cycle life in a compact design. It features low internal resistance for efficient discharge and consistent performance, making it ideal for portable electronics, backup power, and industrial applications. OEM/ODM customization for connectors, wiring, and protection options is available.

Additional information

Product Type

Lithium Ion Battery Pack

Model number

LG 21700-3S1P

Voltage (Nominal)

11.1V

Capacity (Nominal)

5800mAh

Dimensions

23*65*75.5mm

Constant Discharge Current

10A, Peak 12.5A

Working Temperature

-20°C~60°C

Certification

ISO9001/ISO14001

3S1P LG 21700 11.1V 5800mAh Battery

Product description

LithoTop’s high discharge rate Li-ion battery packs are engineered for applications that require instant high current output and stable voltage. Built with premium Grade A lithium-ion cells, these battery packs deliver powerful performance in a compact and reliable design.
Each pack is professionally assembled with precise cell matching, strong nickel connections, and strict quality inspection to ensure consistent output and long service life.

Product features

  • High Discharge Capability
    Supports high continuous and peak discharge current for power-hungry equipment.

  • Stable Voltage Output
    Maintains stable performance even under heavy load with minimal voltage drop.

  • Grade A Lithium-ion Cells
    Brand-new cells with low internal resistance, accurate capacity, and excellent consistency.

  • Long Cycle Life
    Designed for frequent charge and discharge with reliable performance over time.

  • Compact & Durable Structure
    Optimized pack design with strong mechanical stability and heat resistance.

  • OEM & ODM Customization Available
    Custom voltage, capacity, discharge rate, dimension, connectors, wiring.

Product details

NO.

Items

Specifications

1

Mode

LG 21700-3S1P

2

Size

23*65*75.5(mm)

3

Charge voltage

12.6V

4

Nominal voltage

11.1V

5

Nominal capacity

5800mAh

6

Charge current

Standard Charging::0.5C/Rapid charge:1.0C

7

Standard Charging method

0.2C(constant current)charge to 12.6V,then CV(constant voltage 12.6V)charge till charge current decline to≤0.01C

8

Charging time

Standard Charging:3.0hours(Ref.)/Rapid charge:2hours(Ref.)

9

Max.charge current

1C

10

Max.discharge current

10A|Peak 12.5A

11

Discharge cut-off voltage

9V

12

Operating temperature

Charging:0℃~45℃/Discharging:-20℃~60℃

13

Storage temperature

-20℃~ +45℃

14

Weight

Approx:0.25kg

Product assemble

12V Li-ion Battery

Nominal voltage: 11.1V |Charge voltage: 12.6V |Customized capacity(mAh):

5000mAh, 10000mAh, 15000mAh, 20000mAh, 30000mAh

24V Li-ion Battery

Nominal voltage: 25.2V |Charge voltage: 29.4V |Customized capacity(mAh):

5000mAh, 10000mAh, 15000mAh, 20000mAh, 30000mAh

Battery pack customize

Custom nominal voltage

Custom capacity(mAh)

Custom BMS

Custom wires

Custom connector

 

8S4P-5C

Battery shape choosing

PVC, ABS case, iron case choosing

Cell choosing

Usage

  • Power tools and industrial equipment

  • Robotics, AGV, and automation systems

  • Electric scooters and mobility devices

  • Drones and RC equipment

  • Medical and monitoring devices

  • High-power portable electronics

Get custom battery and BMS solutions—fast, reliable.

Contact us today !