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Matrix 7.4v 350mAh Fusion Engine Controller LiPo Airsoft Battery

ID: 53557 (BAT-MTX031)
2.7 stars, based on 3 reviews
Matrix 7.4v 350mAh Fusion Engine Controller LiPo Airsoft Battery
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FIRE HAZARD WARNING: Lithium batteries (LiPoly/LiMn) are extremely volatile and must be handled and charged properly. Please read instructions before use.

Non-Export ItemShips Inside USA Only
This is an export-restricted item and can only be shipped within the United States. No international delivery for these items.
Non-Express ItemGround Shipping Only
This is an express-restricted item and can only be shipped via ground shipping methods.


  • Ideal for PolarStar Fusion Engine / PR-15 Airsoft Rifles
  • Fits into compact space with ease
  • For use with JST Style Plug
  • BMS Unit adapter not included
Dimensions: 42mm x 23mm x 12mm
Compatibility: For use with PolarStar Fusion Engine / PR-15 Airsoft Rifles
Plug type: JST
Charging plug type: BMS / XH 3-Pin Charging Connector
Specifications: 7.4 V / 350 mAh
Charger: Not Included. Lithium Polymer / Li-Poly Chargers Only (BMS / XH 3-Pin Charging Connector)

Manufacturer: Matrix

About Matrix

Established in 2001 for Airsofters by Airsofters. Team Matrix thrive on the vision to better the sport of Airsoft with affordable high quality Airsoft equipment. With decades of experiences as Airsoft enthusiasts ourselves, we live, sleep, and breathe Airsoft. Matrix offers a wide selection of skirmish grade replicas from rifles to pistols, a wide variety of accessories, and tactical equipment from helmets to boots. It is the Matrix mission to prepare every Airsoft shooter the perfect experience!

GROUND SHIPPING ONLY NOTICE: Due to US DOT and IATA shipping regulations, batteries shipping Air must have a charge of less than 30%. A lithium polymer battery in this state of charge for long periods of time will become damaged. For this reason, will not be shipping batteries via Air shipping methods. This includes all international destinations outside the continental U.S. You will only be presented with ground based shipping options if your order contains a lithium battery.

3 Customer Reviews

(Write a review)

by Matthew V. on 02/11/2016
"I'd have to agree with the other reviewer, these are really hit and miss. Bought two, one never charged. These things are tiny, smaller than a AA battery and they do their job. 3/5
by Harrison G. on 12/10/2015
"Okay so if u r going to purchase this battery i recommend buying atleast 4 or 5 at once, i use this battery for my polarstar and ive gone thru 4 batteries so far(in not even a full year), they just stop charging after awhile n die, not that great, idk if its my smart charger or what(gone thru 3 of those 2) but these batteries arnt the greatest, im givin it 3 stars cuz there about the size of half yer finger and can fit literally anywhere
by Jacob S. on 12/31/2020
"Ordered 2, both stopped charging after about 4 months of light use.

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