Guest On-Board Battery Charger 40A / 12V - 4 Bank - 120V Input - 2740A

Guest On-Board Battery Charger 40A / 12V - 4 Bank - 120V Input - 2740A

Marsoni

M251S

$202.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Guest On-Board Battery Charger 40A / 12V - 4 Bank - 120V Input - 2740AGuest On Board Waterproof Battery Charger 40A 12V 4 Bank (2740A) The Guest 2740A is a high performance, fully automated on board battery charger designed for serious anglers and boaters with multi battery setups. Delivering a total of 40 Amps across four independent banks (10 Amps per bank), this charger is the ideal solution for 36V trolling motor systems plus a dedicated 12V starting battery, or any configuration of up to four 12V batteries.

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Product was as described. Works well. I use it for measuring the amount of coffee for my drip coffee maker. I have not done any testing with respect to actual accuracy so cannot comment. But it seems close to the other scale that I have that only measures to the nearest gram. Construction seems good. Nice looking unit.

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Reviewed in the United States on May 12, 2026

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Mark Campbell

Lake Worth, US

★★★★★ 4

Nice scale

Color: Black

Works as expected, nice size. Makes a big difference when adjusting espresso extraction. I haven't used the timer. One improvement for my use would be to move the power switch from the back to the front, on the side or on the control panel.

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Reviewed in the United States on May 5, 2026

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Jerry McCamman

Whiting, US

★★★★★ 5

accurate scale

Color: Black

great product

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Reviewed in the United States on June 1, 2026

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Peter Merritt

Lexington, US

★★★★★ 5

Best Mid Priced Scale on the Market!

Color: Black, Color: Black

Hand down the best prices scale for the price. Excellent ability to precisely dial in pour overs. I’ve been waiting a long time for a scale like this to hit this price point.

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Reviewed in the United States on May 16, 2026

Verified Purchase

amazon user

Waukegan, US

★★★★★ 5

Good

Color: Black

This food scale is accurate, easy to use, and very helpful for cooking and baking.

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Reviewed in the United States on May 13, 2026