HRB 5S 18.5V 4000mAh 100C LiPo Battery 2-Pack for RC Car/Truck/Boat/Airplane, 74Wh

Overview

This 2-pack HRB 5S 18.5V 4000mAh LiPo battery set is designed for RC power systems where a matched 5S pack size, voltage, and connector are required. Each pack is rated at 74Wh with a 100C continuous discharge rate and includes a 7-pin balance port.

Key Features

• Cell configuration: 5S1P
• Continuous discharge rate: 100C
• Max discharge rate: up to 200C
• 10AWG silicone wire
• 7-pin balance port
• Pack size tolerance noted: 0–3mm (0.12in) difference

Specifications

Brand	HRB
Battery type	Li-Poly (LiPo)
Cell count	5S
Configuration	5S1P
Voltage	18.5V
Capacity	4000mAh
Energy	74Wh
Continuous discharge rate	100C
Max discharge rate	Up to 200C
Charging rate	2A–4A
Size (L x W x H)	135 x 42 x 41mm (±0–3mm)
Size (inches)	135mm/5.31in; 42mm/1.65in; 41mm/1.61in
Weight	495g (approx. 17.46oz / 1.09lb)
Main plug / connector	XT60 (product title); EC5 (labeling shown); Deans female plug (provided text). Connector information is inconsistent—confirm the required plug before ordering.
Balance connector	7-pin balance port
Main wire	10AWG silicone wire

What's Included

• HRB 5S 18.5V 4000mAh LiPo battery x 2

Applications

• RC airplane
• RC quadcopter / helicopter
• RC car / truck
• RC boat

For help choosing the correct connector and fitment for the battery compartment, contact [email protected] or visit https://voltaspir.com/.

Details

A matched 5S 18.5V 4000mAh pack rated 100C continuous, with 10AWG silicone leads, EC5 main connector, and a 7‑pin balance port.

Fits common RC car battery compartments when the pack dimensions and connector match your setup.

Built for high-demand RC power systems, with up to 200C max discharge noted for short bursts.

Performance highlights emphasize lower internal resistance and steadier output under load compared with typical packs.

Compatible uses include RC airplanes, quadcopters/helicopters, cars/trucks, and boats—verify voltage, size, and plug type before ordering.