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Will this fit my tool box?How do I install this holder?Can I store three batteries?Does this mount on the wall?What is the warranty period?

FLEX STACK PACK Plastic Battery holder Battery holder for up to 3 batteries

Name: FLEX STACK PACK Plastic Battery holder Battery holder for up to 3 batteries
Brand: FLEX
SKU: 5013681203
Price: 21.98 USD
Availability: InStock
Rating: 4.9 (11 reviews)

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4.9

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Mon, Oct 5

3 available

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Sat, Oct 10

3 available

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Organize and securely store your batteries with the FLEX STACK PACK™ Battery Holder. Versatile mounting options allow you to store your batteries inside STACK PACK™ storage boxes, hang them from outside attachment racks, or mount them to the walls of your workshop when the job is done.

STACK PACK™ COMPATIBLE - Fits with select FLEX STACK PACK™ tool boxes and organizers. Ideal for the Rolling Tool Box (FS1101) and Medium Tool Box (FS1102)
VERSATILE MOUNTING - Securely mounts batteries inside STACK PACK™ tool boxes, on outer rack attachments, or on the wall
STORE UP TO THREE BATTERIES - Compatible with FLEX batteries only
EASY ACCESS - Minimize downtime on the job with easy access to batteries mounted inside or outside your STACK PACK™
QUICK INSTALLATION - The Battery Holder can be installed by sliding onto side or front rail racks, or fits inside the FLEX STACK PACK™ Rolling Tool Box (FS1101) or Medium Tool Box (FS1102)
WHAT'S INCLUDED - (1) FLEX STACK PACK™ Battery Holder, fasteners for installation
FULL RANGE COMPATIBILITY - Toolboxes, organizers, STACK PACK™ accessory cases, and toolbox attachments are endlessly configurable across the full STACK PACK™ system

General
Color/Finish Family	Gray	Material	Plastic
Sub-Brand	STACK PACK	Package Contents	Battery holder for up to 3 batteries
Type	Battery holder

Features
Case Included	No	Model	FS1601

Certifications
CA Residents: Prop 65 Warning(s)	No

Warranty
Warranty	None

Miscellaneous
UNSPSC	24112400

Check out the Best Selling Tool Storage Accessories on Lowes.com

Review

4.9 out of 5

11 Reviews

3 Star

2 Star

1 Star

100% Recommend this product

Ratings may include incentivized customer reviews.

11 Customer Reviews

Sort By

Excellent battery holder

Would Recommend

Snaps into my medium tool box and rolling drawer. Nice to have the batteries off to the side and not have to dig through my box.

Regular tool guyMay 17, 2026
Verified Purchaser

Was this Review Helpful ?

Prácticas

En mi caja de baterías mantengo dos, uno de cada lado puedo tener 6 baterías organizadas.

RolyDecember 25, 2025

From flexpowertools.com

Battery holder let down

Would Recommend

I just recently bought 4-FS1601 battery holders with the plan to use externally on my pack out boxes. The construction of the battery brackets are decent enough and appear to robust. The mounting is simple by just sliding brackets on outside supports. The problem is they slide off as easy as they slide on. The is no extra support clips to hold the brackets on. I gor off the Flex phone with customer. They have nothing for this issue. I guess I am going to have to figure out something mysel...

Ridgid RonFebruary 19, 2025

From flexpowertools.com

STACK PACK

Would Recommend

Compact and organic to my STACK PACK. Can’t wait to purchase more accessories like these.

IMando323May 10, 2023
Verified Purchaser

Was this Review Helpful ?

A much needed mod!

Would Recommend

I’m not sure exactly what I was expecting to receive when I ordered a set of these, but I’ve been pleasantly surprised by it’s sturdiness and perfect fit. Are they secure the batteries perfectly and are themselves secured quite well when placed inside the toolbox. Removing them is a snap and they mount effortlessly to the optional side bars. The only downside to using these inside the toolbox is needing to reconfigure the interior lid. Unfortunately they sit just a little too high for one to u...

GabeSJanuary 20, 2023
Verified PurchaserVerified Pro

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/9418298f-9cbc-55c7-93c1-2e42f13a4908

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/9ad74ce9-42cc-5620-9e69-cfa096c9f5fc

Was this Review Helpful ?

Durability tested!!

I’ve just purchased this item a week ago it’s held up pretty well I keep it in my enclosed trailer and I had a mishap where my ladders came undone and smacked into my kit it didn’t even have a scratch on it

FlexroyaltyJanuary 14, 2023

From flexpowertools.com

Flex

Would Recommend

I love these battery holders the slide right in the Flex boxes or mount them wherever you want and they hold the batteries tight and makes it easier to access without digging through your toolbox

JamesJanuary 8, 2023
Verified Purchaser

Was this Review Helpful ?

Only fits FLEX batteries

Would Recommend

Can be stored inside the medium and rolling tool box

TruePanthersFanNovember 29, 2022
Verified PurchaserIncentivized

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/850e831e-7f75-54b9-88a6-0363ac7586f8

Was this Review Helpful ?

Awesome batterie holder

Would Recommend

Holds batteries great a lot better than putting in box

KmccNovember 25, 2022
Verified PurchaserVerified Pro Incentivized

Was this Review Helpful ?

Great add on

Would Recommend

Holds batteries well. Just with they where included in the Flex stack tool box set.

WESUTTON23November 24, 2022
Verified PurchaserVerified Pro Incentivized

Was this Review Helpful ?

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COMPARE PRODUCTS

		Name	Current Item FLEXSTACK PACK Plastic Battery holder Battery holder for up to 3 batteries
		Ratings	11
		Type	Battery holder
		Material	Plastic
		Case Included
FLEXSTACK PACK High Strength Durable Steel Front tool rack rail (1) FLEX Stack Pack front tool rack rail attachment and installation accessories	FLEXSTACK PACK Plastic Level holder (1) 2-Piece FLEX Stack Pack level holder and installation accessories	FLEXSTACK PACK Polypropylene Cord wrapper (1) 2-Piece FLEX Stack Pack cord wrapper and installation accessories	FLEXSTACK PACK 2-Pack High Strength Durable Steel Side tool rack rail (2) FLEX Stack Pack side tool rack rails and installation accessories	FLEXSTACK PACK Polypropylene Shelf STACK PACK shelf, 2 folding brackets, fasteners	FLEXSTACK PACK Steel Box mount 2 Steel Box Mount	FLEXSTACK PACK Steel Bracket	StealthMountsPlastic Battery holder Battery Mounts Holders compatible with DeWalt 20v (Yellow, 6 Pack)	FLEXSTACK PACK Steel Box mount kit
8	21	17	19	38			28	1
Front tool rack rail	Level holder	Cord wrapper	Side tool rack rail	Shelf	Box mount	Bracket	Battery holder	Box mount kit
High Strength Durable Steel	Plastic	Polypropylene	High Strength Durable Steel	Polypropylene	Steel	Steel	Plastic	Steel