SKU: 92012338893

JAC0342MAN - Schauer 42V, 2.5A Golf Cart & Industrial Battery Maintainer - 115VAC - Battery Clips

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Description

JAC0342MAN - Schauer 42V, 2.5A Golf Cart & Industrial Battery Maintainer - 115VAC - Battery ClipsModel JAC0342MAN (0891 142 42V) Schauer JAC0342MAN 42V, 2. 5A Electronic Battery Maintainer with Battery Clips Extend the life of your batteries with the Schauer JAC0342MAN Battery Maintainer. Simply connect it to your set of fully charged batteries, and this maintainer will keep your batteries at full charge and prevent sulfation during periods of storage. The JAC0342MAN is designed to be connected to your batteries for extended periods, even months

Model JAC0342MAN  (0891-142-42V)

Schauer JAC0342MAN - 42V, 2.5A Electronic Battery Maintainer with Battery Clips

Extend the life of your batteries with the Schauer JAC0342MAN Battery Maintainer. Simply connect it to your set of fully-charged batteries, and this maintainer will keep your batteries at full charge and prevent sulfation during periods of storage. The JAC0342MAN is designed to be connected to your batteries for extended periods, even months at a time - keeping them in peak condition and ready to go.

2-Stage Charge Control provides 2.5A bulk charge to a constant finishing voltage of 46.2V, then to a float mode, providing only the amperage necessary to maintain the batteries at a float voltage of 46.2, depending upon their condition.

FOR 42 VOLT BATTERY SYSTEMS ONLY. PLEASE CHECK YOUR SYSTEM VOLTAGE BEFORE ORDERING.

NOTE: The JAC0342MAN is a BATTERY MAINTAINER, NOT A BATTERY CHARGER. It will keep your fully-charged batteries at a proper maintenance voltage, but it WILL NOT recharge a set of discharged batteries.

Features

• For 42 Volt battery systems ONLY. Use on 10AH to 300AH lead acid batteries - typical of golf carts, industrial scrubbers, lifts,etc.
• Can be used for any type lead acid battery, including conventional, maintenance free, deep cycle, gelled-type, or AGM valve regulated batteries.
• Current limiting
• Short Circuit and Reverse-Polarity protection (user-replaceable fuse)
• Fully automatic maintainer can be left on the battery in maintaining/float mode. If AC power is interrupted, the maintainer will turn itself back on when AC power is restored.
• Aluminum case with 2 LED status lights

Specifications

• Finish Voltage: 46.2V ±0.2
• Float Voltage: 46.2V ±0.2
• AC Input Voltage: 115VAC 50/60Hz
• AC Input Amps: 2A
• Nominal DC Output Volts: 42V
• Nominal DC Output Amps: 2.5A
• Minimum Battery Voltage Required to Start Charging: 0V
• AC Cord: 72", with grounded North America 115VAC plug (IEC C13 connector)
• DC Lead: 45", with Battery Clips
• Unit Length (case): 6.5"
• Unit Width: 3.5"
• Unit Height: 1.8"
• Unit Weight: 1.8 lbs.
• Approvals: CE
• Warranty: 2 Year Limited

Operation

• Operate in an environment with proper ventilation
• Do not operate in a damp or wet environment

The battery pack should first be fully charged with a primary charger. When primary charging is complete, remove the primary charger and connect the maintainer.

NOTE: THIS UNIT IS A BATTERY MAINTAINER, NOT A BATTERY CHARGER. IT WILL KEEP YOUR FULLY-CHARGED BATTERIES AT A PROPER MAINTENANCE VOLTAGE, BUT IT WILL NOT RECHARGE A SET OF DISCHARGED BATTERIES. If you use this unit on discharged batteries, damage to the unit will likely result, and the warranty will be voided.

Connection Sequence:
1) Attach positive (Red) battery clip to positive post of first battery in the series. (This post can be identified because it has a cable that does not connect to another battery. The cable from this post is connected to the positive side of the vehicle's electrical system.)
2) Attach Negative (Black) battery clip to negative post of last battery in the series. (As with the positive post connection, this post can also be identified because it has a cable that does not connect to another battery. The cable from this post is connected to the negative side of the vehicle's electrical system, or to a common ground.)
3) Plug maintainer into AC power.
4) Turn maintainer power switch on.
Use Caution! Incorrect connection across complete battery pack may cause battery over voltage/damage/fire/explosion.
NOTE: Since the maintainer is connected directly to the battery posts (and not charging through the vehicle system), the vehicle may be put in "tow" mode to avoid any load on the batteries while in maintenance.

The JAC0342MAN maintainer will provide 2.5 amp charging current until the battery voltage reaches 46.2V. Then it will hold float voltage at 46.2V and only provide the amount of current necessary to maintain the batteries at 46.2V, depending upon their condition. If the battery voltage is below 46.2V when the maintainer is connected, then it will cycle through this process.

LED Status Indicator Lights in normal charge cycle:
• LED 1 (Left): RED - AC Power connected, Power Switch ON
• LED 2 (Right): OFF - Battery not connected / Fuse Blown
• LED 2 (Right): YELLOW - High Current mode - 2.5-0.5A output. Fan: HIGH
• LED 2 (Right): GREEN - Low Current mode - ≤1A output. Fan: OFF

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 92012338893

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Michael Bauer
Belleville, US
★★★★★ 5
Makes everything look so much clean
got these mostly to deal with all the random cords around the house, and they made a bigger difference than I expected. They’re simple, but they actually do what they’re supposed to. Once everything is tucked inside, it instantly makes the area look way more organized and less cluttered. I’ve been using them for things like power strips and extra cords, and they hide everything really well. They’re lightweight but still feel sturdy enough, and the lids stay on without being annoying to open. Pros: Really helps clean up the look of messy cords Easy to use, no setup needed Simple design that blends in Cons: Not huge, so larger power strips can be a tight fit Plastic isn’t super thick Overall I’d definitely recommend these if you’re trying to make a space look cleaner without doing anything complicated.
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Reviewed in the United States on March 19, 2026
G
Verified Purchase
Genesis Block
Louisville, US
★★★★★ 5
Great Space Saver!
I purchased these for our family room charging hub and honestly wish I had known about them sooner. They are sturdy and very kid proof (at least for my kids). I love the push and lift design so little hands can’t just lift it open and they hold a lot yet blend in.
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Reviewed in the United States on April 8, 2026
D
Verified Purchase
Desktop Shopper
Birmingham, US
★★★★★ 4
Handy boxes hides wire clutter.
Does what it is meant for. A bit hard to open once the top is fitted.
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Reviewed in the United States on May 25, 2026
A
Verified Purchase
AmazingDog
San Leandro, US
★★★★★ 5
Clean, secure cable management
These are good cable boxes that close securely. They hide cables very well and look clean and blend into the home well.
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Reviewed in the United States on February 5, 2026
B
Verified Purchase
Bill Patterson
Omaha, US
★★★★★ 3
Ok but not great
Ok but not great. Seemed a little cheap
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Reviewed in the United States on April 24, 2026

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