Meet the Xantrex Truecharge3 20 Amp 3 Bank 12V Charger — a high-efficiency, ultra-compact charger designed to power three independent 12V battery banks with precision and reliability. Built for global use, this Lithium-ion compatible charger delivers advanced charging in a small footprint for boats, RVs, fleets, and commercial applications.

• Three-bank charging provides dedicated output for three 12V battery banks, with a total output current of up to 20 A per unit. For larger systems, you can parallel stack up to two chargers to scale capacity.
• Universal input complies with 90–265 Vac and 47–63 Hz, making it ideal for worldwide travel and handling variable power quality.
• Automatic 3-stage charging with precise regulation: Charge at 14.2–15.5 VDC, Float at 13.4–13.8 VDC, and Equalize at 16 VDC for optimal battery health.
• Flexible connections three positive terminals and one negative terminal allow versatile battery configurations and easier wiring.
• Protection you can trust built-in surge and spike protection on the AC power line, plus circuit breaker protection for safe operation.
• Lithium-ion compatibility unlike predecessors, TRUEcharge3 supports Lithium-ion batteries alongside Gel, Flooded, and AGM chemistries.
• Efficient and quiet efficiency greater than 80%, with low electrical interference and power-factor corrected multistage charging.
• Drip-proof design enables mounting in multiple orientations, giving you flexible installation options in tight spaces.
• Climate-ready temperature compensation with three settings ensures optimal charging performance from 0 to 60°C (32–140°F).
• Compatibility and capacity supports Gel, Flooded, AGM, and Lithium-Ion batteries with a minimum recommended bank size of 40 Ah.
• Compact and robust at only 4.8 lb (2.2 kg) and dimensions 70 x 170 x 250 mm (2.8 x 6.7 x 9.8 in), designed for demanding environments.
• Remote monitoring option the 12V models can be enhanced with an optional remote display panel for easy status viewing.

Specifications

• Model: 804-1220-10
• Output current (nominal): 20 A
• Charge voltage: 14.2–15.5 VDC
• Float voltage: 13.4–13.8 VDC
• Equalize voltage: 16 V
• AC input voltage: 90–265 Vac; 47–63 Hz (nominal 120/230/240 Vac)
• Temperature compensation: 3 settings
• Charger efficiency: >80%
• Battery types supported: Gel, Flooded, AGM, Lithium-Ion
• Minimum bank size: 40 Ah
• Operating temperature: 0–60°C (32–140°F)
• Battery connections: Three positive terminals, One negative terminal
• Weight: 4.8 lb (2.2 kg)
• Dimensions: 70 x 170 x 250 mm (2.8 x 6.7 x 9.8 in)
• Warranty: 2 years

engineered for reliability in marine, RV, and commercial environments, the TRUEcharge3 20A 3-bank charger combines a compact form factor with robust protection, global compatibility, and advanced charging profiles. It helps extend battery life, reduce maintenance, and keep power systems ready when you need them most.