SKU: 56323196711

Xantrex TRUEcharge3 40A 3 Bank Battery Charger - 12V [804-1240-10]

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Description

Xantrex TRUEcharge3 40A 3 Bank Battery Charger - 12V [804-1240-10]TRUEcharge3 40A 3 Bank Battery Charger 12V TRUEcharge3 battery chargers lead the industry with a small footprint and ultra compact design. In addition to meeting global safety and regulatory standards, they feature low electrical interference and efficient power factor corrected multistage charging. The TRUEcharge3 Chargers can be mounted in multiple positions thanks to their inherent drip proof design characteristics. Unlike its predecessors,

TRUEcharge™3 40A 3 Bank Battery Charger - 12V

TRUEcharge3 battery chargers lead the industry with a small footprint and ultra-compact design. In addition to meeting global safety and regulatory standards, they feature low electrical interference and efficient power factor-corrected multistage charging. The TRUEcharge3 Chargers can be mounted in multiple positions thanks to their inherent drip-proof design characteristics. Unlike its predecessors, TRUEcharge3 is lithium-ion battery compatible.

Designed for recreational and commercial applications worldwide, TRUEcharge3 accepts 90–265 Vac, and 47–63 Hz, which makes traveling abroad and handling poor-quality power a breeze. The easy-to-read display of the TRUEcharge3 12 V models can be enhanced with an optional remote panel. Each model has built-in protection against surges and spikes on the AC power line.

Features:

  • Microprocessor-controlled, multistage charging algorithms
  • Settings for two and three-stage charging
  • Battery-equalization feature
  • Settings for flooded, gel, AGM, or lithium-ion batteries
  • Equipped with parallel stacking (remote panel required)
  • Ability to charge batteries drained to extremely low voltage
  • Added quiet mode

Protection Features:

  • Reverse-battery polarity protection
  • Drip-proof design
  • DC over-voltage protection
  • Over-temperature protection
  • Circuit breaker protection

Three-Stage Charging

Multistage charging ensures batteries receive optimum charging, but with minimal wear and tear, regulating the voltage and current delivered to the batteries in three automatic stages:

  • Bulk: Replaces 70–80% of the battery’s state-of-charge at the fastest possible rate
  • Absorption: Replenishes the remaining 20–30% of charge, bringing the battery to a full charge at a slow, safe rate
  • Float: Voltage is reduced and held constant to prevent damage and maintain batteries at a full charge for the remaining 20–30% of charge, bringing the battery to a full charge at a slow, safe rate

Power Factor Corrected (PFC) Charging

Less shore power is required for charging batteries, freeing up more usable AC power for running electrical devices and appliances and reducing the likelihood of tripping shore power breakers.

Electrical Specifications (@ 25 degrees C unless otherwise noted):

  • Output Current (nominal): 40 A 
  • Output Voltage (nominal, depending on settings): Charge 14.2–15.5; Float 13.4–13.8 Vdc; 16 V
  • DC Output Connections: Three
  • AC Input Voltage: 90–265 Vac; 47–63 Hz 120 Vac, 230 Vac, 240 Vac nominal
  • Temperature Compensation: Three settings 
  • Charger Efficiency: > 80%
  • Battery Type: Gel, Flooded, AGM, LiFePO4 
  • Minimum Recommended Battery Bank Size: 80 Ah

General Specifications:

  • Operating Temperature Range: 0–60°C (32–140°F) 
  • Storage Temperature -40–80°C (-40–176°F)
  • Battery Connection: Three positive terminals and one negative terminal
  • Dimensions (H x W x L): 70 x 170 x 250 mm (2.8 x 6.7 x 9.8”)
  • Weight 2.2 kg (4.8 lb)

Regulatory Approvals 

Meets CSA 60335-2-29, CE Marked for the Low Voltage Directive (safety) and the EMC Directive, UL1564, IEC 60335-2-29, IP32 per EN.IEC 60529, FCC Part 158, Canada ICES-003 Class B emissions limits, ABYC A-31, and DOE/CEC energy efficiency compliant.

This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Specifications:

  • Charger Output - Amps: 40a
  • Charger Output Voltage: 12v
  • Charging Banks: 3
  • Portable: No
  • Box Dimensions: 6"H x 11"W x 14"L WT: 6.1 lbs
  • UPC: 715535920814

Quick Guide (pdf)
Owner's Manual (pdf)
Brochure (pdf)
Shipping Notes
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Exchange/Return Notes
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SKU: 56323196711

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Product Reviews
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Verified Purchase
Gary Gilley
Fort Morgan, US
★★★★★ 5
Excellent treatment on the subject of waiting on the Lord
Format: Paperback
Waiting Isn’t a Waste, The Surprising Comfort of Trusting God in the Uncertainties of Life by Mark Vroegrop (Wheaton, Illinois: Crossway, 2024), 135 pp. paper, $13.49 Vroegrop’s book Dark Clouds, Deep Mercy was popular partly due to its subject matter: grief and suffering. Now Vroegrop, lead pastor of College Park Church in Indianapolis, is addressing another hot subject—waiting. It is no wonder that it has drawn the attention of Christianity Today, which awarded it one of the best books for 2024. Everyone struggles with waiting. The author writes, “This book is about the ‘gaps of life’ and how the Bible calls us to fill the void of uncertainty by waiting on God” (p. 1). We tend to fill the gaps with fear, anxiety, frustration, or anger (pp. 2, 16, 33-36); Scripture calls us to fill them with hope and trust in God. The stated aim is “to help us take steps in learning to wait” (p. 5), and the goal is to unpack this definition: “Waiting on God when I don’t know what’s true about my life” (p. 5). The book has six subjects, each of which has a chapter devoted to these topics: • Honestly: waiting is hard • Frequently: waiting is common • Thoughtfully: waiting is biblical • Patiently: waiting is slow • Intentionally: waiting is commanded • Collectively: waiting is relational (p. 6) Waiting is loaded with good quotes such as this one from Ben Patterson: “To wait is to journey in faith toward the things God has promised” (p. 11). Andrew Murray and his devotional classic Waiting on God are liberally quoted. One example: “This is the blessing of waiting upon God, that it takes our eyes and thoughts away from ourselves, even our needs, and desires, and occupies us with our God” (pp. 12-13). The author is quotable as well. Three excellent statements are as follows: When my desire for control gets the best of me, I frequently turn to three unhelpful and sinful responses: anger, anxiety, and apathy (p. 33). Waiting requires living by what I know to be true about God when I don’t know what’s true about my life (p. 39). Rather, my typical response is annoyance at best and anger at worst. You too? Understanding the biblical connection between wait and hope invites us to shift our focus from what’s not true about our lives to what is true about God. In other words, waiting biblically is seeing seasons of delay as opportunities to hope in God (p. 42). Vroegop often turns to the Psalms for insight and direction, noting that there are 14 psalms that celebrate waiting (p. 30). From Psalm 25 and 27 he draws a four-fold strategy for waiting, forming the anacronym FAST: Focus: live with a God-centered perspective (Psalm 25:3). Adore: worshipfully rehearse what you know to be true (Psalm 27:1) Seek: request God’s help (Psalm 25:16, 17, 18, 20) Trust: “embracing by faith the contentment and spirited rest that comes from knowing God can be trusted” (Psalm 27:13-14). Trusting is a choice (pp. 75-76). Vroegop reminds his readers that while we are waiting, the Lord may intervene in ways that are amazing: “I’ve seen problems solved, solutions surface, people convicted, and conflict resolved” (pp. 109-110). These past interventions give us hope for present ‘gaps’” (p. 66). I was disappointed with the author’s passing references to the Message paraphrase, the Enneagram (p. 3), lighting of candles (p. 69), and Dallas Willard (p. 79). But these slights do not tarnish the excellent treatment on the subject of waiting on the Lord. Reviewed by Gary E. Gilley, Southern View Chapel
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2025
D
Verified Purchase
Duffy Guyton
Omaha, US
★★★★★ 5
Edifying
Format: Paperback
Very well written. Very edifying. Very scriptural. What are the best books written on waiting on God’s timing and that God uses waiting that can bless us.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
H
Verified Purchase
HRoberts
West Palm Beach, US
★★★★★ 5
Encouraging book when suffering!
Format: Paperback
Wonderful, encouraging book, excellent author. Read for yourself or someone you love, if you're suffering during a time of waiting on the Lord.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 22, 2025
F
Verified Purchase
Flyngal
Cuba, US
★★★★★ 4
Good
Format: Paperback
Good book
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 9, 2025
K
Verified Purchase
keiana
Dallas, US
★★★★★ 5
Great purchase!
Format: Paperback, Format: Paperback
This book was a gift to my grandmother for mothers day and it came in great quality! Although I have not read the contents of the book, it was not bent when delivered (like previous books Ive purchased) and it is good quality! The paperback texture is not smooth and it has some texture but it still feels good quality. As I flipped through it I noticed the scripture index which I was very happy by!! 10/10 and if you read it leave another review based on the contents of the book!!
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Reviewed in the United States on May 10, 2026

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