Authorised Dealer of Coslight 2V Solar VRLA Batteries
Looking for the best Solar Battery for home or industrial use in India? Based in New Delhi, SAMCO BATTERY is an authorised supplier of high-performance Coslight 2V VRLA batteries—factory-fresh units shipped Pan-India with on-site service and a 60-month solar application warranty.
Why Choose Our Coslight Solar Battery in India?
This VRLA battery line is preferred across India for performance, life, and reliability in solar power systems.
Technical Specifications for Coslight GFM Series
Find the right 2V VRLA Solar Battery model for your system.
Key Features
- ✓ 2V SMF Advanced VRLA for efficient power delivery.
- ✓ High energy density—ideal for solar storage.
- ✓ No acidic fumes—cleaner, safer installations.
- ✓ Exceptional deep discharge recovery.
- ✓ Low self-discharge for standby reliability.
- ✓ Fast recharge capability to reduce downtime.
- ✓ Maintenance-free SMF—fit and forget.
Significant Benefits
- ✓ Superb charge acceptance.
- ✓ Consistent power output & long cycle life.
- ✓ Direct factory dispatch for freshness.
- ✓ Pan-India on-site support by COSLIGHT.
- ✓ Resilient to hot & harsh Indian climates.
Robust Construction
- ✓ Proprietary alloy grids (positive & negative).
- ✓ High-purity lead oxide plates.
- ✓ Premium micro-porous AGM separators.
- ✓ Flame retardant UL94-V0 container.
- ✓ Brass inserts on front terminal models.
- ✓ One-way pressure relief valves.
- ✓ Flame arrestor in each cell.
Quality Standards & Operation
Built to international standards for reliable, long-term operation in Solar Battery systems.
Certifications & Standards
- ✓ Complies with IS 15549:2005 and IEC 60896-21/22.
- ✓ Manufacturing units: ISO 9001:2015, ISO 14001:2015, ISO 45001:2018.
Installation & Performance
- ✓ Space-efficient footprint for easy installation.
- ✓ VRLA design for zero maintenance.
- ✓ >10-year life expectancy in float service at 25°C.
- ✓ Wide operating temperature: discharge −15°C to 50°C.
GENERAL SPECIFICATION
2V VRLA – GFM Series (dimensions in millimetres; weights approximate)
| Model | Nominal Capacity (Ah @ 27 °C) |
Nominal Voltage (V) |
L (mm) ±3 |
W (mm) ±3 |
H (mm) ±3 |
Approx. Weight (kg) ±3% |
Terminal Type | Plastic |
|---|---|---|---|---|---|---|---|---|
| GFM-100 | 100 | 2 | 80.7 | 173.0 | 268.0 | 7.2 | M6 | ABS |
| GFM-120 | 120 | 2 | 80.7 | 173.0 | 268.0 | 7.9 | M6 | ABS |
| GFM-150 | 150 | 2 | 84.0 | 173.0 | 268.0 | 8.5 | M6 | ABS |
| GFM-180 | 180 | 2 | 92.3 | 177.6 | 372.0 | 11.7 | M8 | ABS |
| GFM-200 | 200 | 2 | 92.3 | 177.6 | 372.0 | 13.1 | M8 | ABS |
| GFM-300 | 300 | 2 | 135.0 | 178.5 | 372.0 | 18.3 | M8 | ABS |
| GFM-400 | 400 | 2 | 164.0 | 179.5 | 373.0 | 24.1 | M8 | ABS |
| GFM-500 | 500 | 2 | 206.7 | 180.0 | 373.0 | 29.5 | M8 | ABS |
| GFM-600 | 600 | 2 | 235.5 | 180.5 | 373.0 | 35.0 | M8 | ABS |
| GFM-800 | 800 | 2 | 318.0 | 179.4 | 382.0 | 45.0 | M8 | ABS |
| GFM-1000 | 1000 | 2 | 419.6 | 181.6 | 382.0 | 60.0 | M8 | ABS |
Tip: On smaller screens, scroll the table horizontally ⇄.
Tolerances ±3 mm (dimensions) and ±3% (weight).Constant Current Discharge (Ampere at 25 °C)
| End Voltage | Minute | Hour | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 10 | 15 | 30 | 40 | 50 | 1 | 2 | 3 | 4 | 5 | 8 | 10 | |
| 1.85 V | 1.86 | 1.60 | 1.05 | 0.71 | 0.61 | 0.54 | 0.50 | 0.32 | 0.24 | 0.19 | 0.16 | 0.11 | 0.09 |
| 1.80 V | 2.00 | 1.68 | 1.26 | 0.79 | 0.67 | 0.57 | 0.52 | 0.32 | 0.25 | 0.20 | 0.16 | 0.12 | 0.10 |
| 1.75 V | 2.12 | 1.78 | 1.40 | 0.81 | 0.69 | 0.60 | 0.55 | 0.33 | 0.26 | 0.21 | 0.17 | 0.12 | 0.10 |
Note: Values are discharge currents in amperes (A) at 25 °C. “End Voltage” refers to the per-cell cut-off voltage of a lead-acid battery (e.g., 1.85 V/cell).