Li-Ion Battery 350mAh 7.4v HPA - JST

A compact 7.4V 350mAh Li-Ion battery with JST connector, designed for HPA FCU and support power systems.

Product Features:

• Lithium-Ion battery chemistry
• Nominal voltage: 7.4V
• Capacity: 350mAh
• Designed for HPA FCU and control units
• JST connector
• Cylindrical cell format
• Length: 57mm
• Diameter: 14mm
• Lightweight, compact construction
• Direct-fit for compatible HPA systems

The 8256 Li-Ion Battery is a compact support power solution developed for use in HPA airsoft systems requiring a small, lightweight external power source. With a 7.4V output and 350mAh capacity, it is optimised for powering FCUs, regulators, and electronic control modules rather than driving AEG gearboxes.

Its cylindrical cell format, measuring 57mm in length and 14mm in diameter, allows easy installation into buffer tubes, grip compartments, or dedicated HPA battery housings where space is limited. The slim profile supports clean wiring layouts and minimal bulk in performance-focused builds.

Fitted with a JST connector, the battery integrates directly with compatible HPA electronics without modification. Using stable Li-Ion chemistry, it delivers reliable voltage output and consistent operation for players running HPA platforms who require dependable auxiliary power in a compact format.

Range Overview:

The NUPROL POWER Li-Ion battery range is engineered for players who prioritise endurance, consistency, and long-term reliability. Offering excellent energy density in compact formats, Li-Ion batteries deliver extended runtimes without excessive bulk, making them ideal for milsim, support roles, and long-duration skirmishes.

With strong resistance to voltage drop and low self-discharge during storage, Li-Ion packs provide dependable performance game after game. All packs are built using modern cell technology and undergo strict ISO 9000 quality control to ensure consistent output, durability, and long service life across a wide range of airsoft platforms.

• ISO 9000 Quality Control Manufacturer
• Supplied at optimal charge of over 60%
• High quality silicone leads
• Modern Li-Ion cell technology
• High energy density for extended runtime

Brand Statement:

NUPROL is a leading brand within the airsoft industry, delivering a comprehensive range of products covering consumables, replicas, attachments, and upgrades. Built on extensive industry knowledge and hands on experience, NUPROL focuses on practical design, consistent quality, and dependable performance. With a strong emphasis on reliability and usability, NUPROL products are developed to support airsoft players, retailers, and sites across all levels of the sport. From everyday essentials to advanced equipment, NUPROL continues to provide trusted solutions that perform where it matters most.

Safety Information:

Li-Ion batteries are designed to deliver reliable performance when used correctly. Always charge using a Li-Ion-compatible balance charger on a non-flammable surface. Do not overcharge, over-discharge, short-circuit, crush, puncture, or expose the battery to water or excessive heat. Inspect wiring and connectors before use and discontinue use if the battery shows signs of damage. Remove the battery from the replica when not in use and store in a cool, dry place. When used by under-18s, adult supervision is required.