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NINEBALL External Battery Conversion Adapter for TM MP7 Airsoft AEP

ID: 32049 (NB-PT-NB1168)
Prometheus / Laylax859188320499458210958921232049
5.0 stars, based on 2 reviews
NINEBALL External Battery Conversion Adapter for TM MP7 Airsoft AEP
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Prometheus / Laylax


The NINEBALL External Battery Conversion Adapter allows you to use an external battery source for your Tokyo Marui MP7 AEP. Laylax / NINE BALL recommends 7.2v batteries. Using 8.4v or higher batteries can cause premature wear and possibly damage the AEP. Professional installation recommended.

About Prometheus / Laylax

Providing products in the Japanese market for the better part of 20 years, Laylax is well known for their high manufacturing quality and precise tolerances. Their tried and true parts and accessories have led them to be the leader in Japanese airsoft engineering.

2 Customer Reviews

(Write a review)

by Greg A. on 12/29/2020
"Fit perfectly in my son's TM MP7. build quality is solid. the only con is the price. it just seems excessive for what this is and does, but, it is doing what it is supposed to so far. As far as being a good product that achieves its goal, this is 5 stars, though I considered knocking a star off for the price tag.
by Brendan K. on 01/22/2015
"I purchased this for my Well R4 MP7 AEG/AEP. Overall its a super good purchase if you don't want to deal with the small AEP batteries. I use this in conjunction with a CYMA M5 PEQ box which fits all of my batteries. I would not recommend using anything more than an 8.4v battery with any AEP though. One side note is that you do need to trim off some of the adapter in order to fit in the Well MP7 since the TM version has a much larger battery compartment.

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