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What Is The GPL-6CT AGM Battery?
The GPL-6CT AGM battery is a 6V 300Ah valve-regulated sealed lead-acid battery designed for heavy-duty applications. Featuring absorbent glass mat (AGM) technology, it delivers high cyclic stability, vibration resistance, and maintenance-free operation. Optimized for marine equipment, aerial work platforms, and industrial machinery, its rugged construction ensures reliable performance in extreme temperatures (-40°C to 60°C). With low self-discharge (3% monthly), it supports long-term energy storage where frequent deep discharges occur.
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What defines AGM technology in the GPL-6CT?
The GPL-6CT uses AGM (absorbent glass mat) separators saturated with electrolyte, enabling spill-proof operation. Unlike flooded batteries, its oxygen recombination cycle minimizes water loss, allowing installation in any orientation.
AGM technology in the GPL-6CT employs ultra-fine glass fibers (<0.5mm thickness) between lead plates, achieving 95% electrolyte retention. This design increases charge acceptance by 40% compared to traditional lead-acid batteries, critical for applications like hydraulic lifts needing rapid recharge between cycles. Pro Tip: Use temperature-compensated chargers to maintain optimal 0.2C charge rates—overheating during charging reduces lifespan by 30% in marine environments. For example, a marine thruster system using GPL-6CT batteries can sustain 500 deep cycles at 80% depth of discharge (DoD), whereas standard batteries fail after 200 cycles.
Where is the GPL-6CT typically deployed?
This 6V 300Ah AGM battery excels in marine vessels, mobile work platforms, and telecom backup systems requiring vibration resistance and deep-cycle endurance.
Beyond marine use, the GPL-6CT powers articulated boom lifts needing compact energy storage—its 6V configuration allows series stacking up to 48V systems without cell imbalance. Practically speaking, three units in series create an 18V 300Ah bank capable of running 2kW winch motors for 90 minutes. Pro Tip: In cold climates, pair batteries with insulation jackets to maintain electrolyte liquidity below -20°C. A real-world example: Offshore wind turbine maintenance platforms use GPL-6CT banks to power hydraulic systems, enduring 8-hour continuous operations with 2-hour recharge windows.
| Application | Voltage Configuration | Runtime at 50A |
|---|---|---|
| Marine Bow Thrusters | 24V (4x6V) | 6 hours |
| Aerial Work Platforms | 12V (2x6V) | 5.5 hours |
How does GPL-6CT compare to other AGM batteries?
With 300Ah capacity at 6V, it outperforms standard 200Ah AGM units in energy density (75Wh/kg) and cycle life (1,200 cycles at 50% DoD).
The GPL-6CT’s lead-calcium alloy grids reduce gassing by 60% compared to antimony-based AGM batteries, making it safer for enclosed spaces. But what about cost? While 30% pricier than entry-level AGM models, its 7-year design life cuts replacement frequency—a fleet of 10 scissor lifts would save $12,000 over a decade. Pro Tip: For hybrid solar/engine applications, use battery monitors to keep state-of-charge between 20-90%—this prevents sulfation while maximizing usable capacity.
| Parameter | GPL-6CT | Standard AGM |
|---|---|---|
| Cycle Life (50% DoD) | 1,200 | 600 |
| Weight | 29kg | 25kg |
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FAQs
Yes, but ensure charge controllers have AGM presets—mismatched PV charging above 14.7V causes premature drying of glass mats.
What’s the lifespan in high-vibration environments?
6-8 years when mounted with anti-shock trays—plate separation risks increase by 40% if subjected to >5G vibrations unprotected.


