
Original New SP303 10.8V 6600mAh Battery for Siemens SIMATIC Field PG M3
Does your Siemens SIMATIC Field PG M3 lose battery power during:
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PLC diagnostics?
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HMI setup?
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Onsite commissioning?
A worn-out battery can halt your productivity in critical environments. The Original New SP303 10.8V 6600mAh Battery is the perfect OEM replacement for the Field PG M3 series. With a strong 6600mAh capacity, it offers hours of reliable power. You can run TIA Portal, STEP 7, WinCC, and other engineering software without needing to find an outlet. This product meets Siemens’ original specs. It fits perfectly. It charges safely with your power adapter. Plus, it works well with the device’s power management. Swapping it out is easy. Just remove the battery cover and slide in the new pack. Once replaced, your Field PG M3 will feel like new. It’s ready for full shifts of industrial programming and troubleshooting.
Battery Specification:
- Output voltage: 10.8V
- Capacity: 6600mAh (71W)
- Content Rating: Li-Polymer
- Feature: New Original
- Color : Black
- Warranty : One Year
This product is compatible with the following part number: 8474
For SAMSUNG
SP303
This product is suitable for the following models:
For SAMSUNG
SIEMENS SIMATIC FIELD PG M3
Why Choose Our New Original SP303 Battery?
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Industrial‑grade cells – Same as Siemens original. Vibration and temperature tolerant.
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Fresh stock – Manufactured within the last 6 months. Date printed on label. No old inventory.
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Exact fit – Same dimensions, connector, and latch. No modifications.
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Full safety certifications – CE, UN38.3 (air transport safe), RoHS.
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Accurate fuel gauge – Works perfectly with Siemens power management. No “battery not supported” errors.
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12‑month warranty – Free replacement if it fails.
You don’t need to overpay Siemens. But you also shouldn’t trust a generic battery that might leave you stranded in the field. Our new original SP303 gives you OEM quality at a fair price.
| Battery Capacity | 6600mAh (71W) |
| Voltage | 10.8V |
| Model No | SP303 |
| Warranty | 12 Months |
🔋 Lithium-Ion Battery Conditioning
For optimal electrochemical performance, new lithium-ion batteries should undergo 2–3 complete charge and discharge cycles before reaching full capacity.
This stabilization phase allows the internal cell chemistry to achieve balanced ion distribution, ensuring maximum runtime, stable voltage output, and extended cycle life.
After this initial conditioning period, no further full discharge cycles are required.
🛡 Premium Warranty Protection
- 12-Month Limited Manufacturer Warranty
- Up to 30-Day Return Guarantee (Policy Based)
- Replacement for defective or misrepresented items
- Dedicated customer service response within 24 hours
🚚 Professional Shipping Standards
- Orders placed Monday–Friday are processed within 1–2 business days. Orders placed on weekends are processed the following Monday.
- Tracking information appears in your order within 1–2 business days after dispatch.
- Transit time varies by region and logistics carrier
- Please verify your shipping address before order confirmation
- Address changes are not possible once shipment is dispatched
📌 Product-Specific Notice
📩 Customer Care Commitment
We are committed to delivering professional-grade battery solutions and responsive after-sales service. If you experience any issues, please contact our support team before leaving feedback.
✓ Safety & Quality Assurance
- Built-in protection against overcharging, overheating, and short circuits.
- Shipped in compliance with IATA regulations for lithium batteries.
- Compatible with OEM chargers. No firmware modification required.
Questions about compatibility? Contact us with your device model number before ordering.
Cao Chuanping
Power Systems Consultant · 8+ years in replacement battery sourcing & evaluation · View profile →
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