Description
The Trojan T-125 is a 6-volt, 240 Ah flooded lead-acid battery for house loads such as electronics, lighting and pumps. It weighs about 66 lb, so plan for a secure, vented battery box and a solid hold-down. The case follows a BCI GC2 footprint; confirm your tray size and terminal orientation before you buy. Reserve capacity is 488 minutes at a 25 A draw. As a flooded battery it needs periodic electrolyte checks and top-ups with distilled water.
Highlights
- 6 V, 240 Ah Flooded lead-acid
- BCI GC2 footprint
- 66 lb
- Best for: House Bank
Specifications
| Brand | Trojan |
|---|---|
| Model / SKU | T-125 |
| Nominal voltage | 6 V |
| Capacity | 240 Ah (20-hr rate) |
| Chemistry | Flooded lead-acid |
| Reserve capacity | 488 min @ 25 A |
| BCI group size | GC2 |
| Dimensions (L × W × H) | 10.3 × 7.11 × 11.07 in |
| Weight | 66 lb |
| Reserve minutes | @25 Amps / 488; @75 Amps / 132 |
| Energy | 1.60 kWh (20-hr) |
| Operating temperature | -4°F to 113°F (-20°C to 45°C) |
| Terminal options | Embedded Low Profile Terminal ELPT, Embedded High Profile Terminal EHPT, Embedded Automotive Post Terminal EAPT, Embedded Universal Terminal EUT |
Specs are from the manufacturer. Check your boat’s battery compartment, terminal layout and charging system before you order.






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