Mastervolt Mass 24V / 25A Marine Battery Charger – 40020256
Supplying clean DC power on offshore yachts, the Mastervolt Mass 24/25 produces 25A on 24V banks with low ripple output, utilizing MasterBus integration and smart 3-stage+ algorithms.
- 25A current charges 24V battery banks.
- Low-ripple output powers sensitive onboard electronics.
- MasterBus network integration simplifies system controls.
- Adaptive 3-stage+ curves optimize battery absorption.
- Corrosion-resistant metal casing ensures marine durability.
$682.95
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Configured for one main 24V bank plus a 3-amp secondary starter output, theMastervolt Mass 24/25 Marine Battery Chargersupplies 25 amps of continuous charging. It accepts 180V to 265V AC single-phase input at 45 to 65 Hz and supports listed LiFePO4, AGM, gel cell, and flooded lead-acid battery systems.
The 3-stage-plus adaptive smart charger lists low-ripple output with 28.5V absorption and 26.5V float. An external temperature sensor is included, and MasterBus network compatibility is enabled. The IP23 corrosion-resistant metal casing is identified for dry mounting, while CE approval, ABYC standards, and RRR certification are listed.
Warranty and Support
The Mastervolt Mass 24/25 Marine Battery Charger includes a 2 Years Limited Manufacturer Warranty. Review the manufacturer documentation for product details, setup, and warranty coverage.
Before Ordering the Mastervolt Mass 24/25 Marine Battery Charger
Before ordering, confirm that your vessel uses a 24V main battery bank and accepts 180V to 265V AC single-phase input. Review the 25-amp output, 3-amp starter output, listed chemistry profiles, dry-mount classification, MasterBus compatibility, installation dimensions, and warranty. You should confirm compatibility with your battery manufacturer and vessel electrical system before purchase.
Product Specifications
Mastervolt Mass 24/25 Marine Charger
| Brand | Mastervolt |
|---|---|
| Manufacturer Part Number (MPN) | 40020256 |
| Total Output Current | 25 Amps Continuous Output |
| Number of Isolated Banks | 1 Main 24V Bank + 3A Secondary Starter Output |
| Nominal DC Output Voltage | 24V DC |
| AC Input Voltage Range | 180V–265V AC Single-Phase (45Hz to 65Hz) |
| Compatible Battery Chemistries | LiFePO4, AGM, Gel Cell & Flooded Lead-Acid Systems |
| Charging Algorithm | 3-Stage+ Adaptive Smart Charging with Low-Ripple Output |
| Absorption / Float Voltage | 28.5V / 26.5V |
| Maximum Efficiency | >90% Efficiency |
| Network Communication | MasterBus Network Compatibility Enabled |
| Temperature Compensation | External Temperature Sensor Probe Included |
| Ingress & Housing Material | IP23 Corrosion-Resistant Metal Casing (Dry Mount) |
| Dimensions & Dry Weight | 325 x 220 x 111 mm (12.8" x 8.7" x 4.4") / 3.3 kg (7.3 lbs) |
| Compliance Certifications | CE Approved, ABYC Standards, RRR Certified |
| Application Vessel Size | Offshore Sailing Yachts, Patrol Craft & Professional 24V Marine Banks |
| Standard Warranty | 2 Years Limited Manufacturer Warranty |
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