Are CELLONIC batteries safe?

Yes, we use premium-grade cells with built-in protection against over-voltage, short-circuits and overheating. Every battery pack is tested several times before it ships, ensuring reliable, smooth performance.

Is this battery compatible with my device?

Match the model or part-number in our “Compatible with” list. If your device appears there, the battery fits perfectly—no adapters needed.

Can I replace the battery myself?

Depending on the battery type, it will either simply fit in or require only basic tools and care. If the original is glued or soldered in, or you're not confident in changing it yourself, we recommend using a professional to avoid any damage.

Can I use a higher- or lower-capacity battery than the original that came with my device?

Yes - as long as voltage and model compatibility match. Higher capacities deliver longer runtimes, lower capacities works the same but may run shorter.

Why choose CELLONIC over original, branded batteries?

CELLONIC replacement batteries offer reliable performance at a lower cost. Our batteries meet the highest standards, ensuring safe, long-lasting power, the same if not better than your original.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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CELLONIC 2x Battery compatible with Siemens x656, SL610H Pro, 4250366817255 | (850mAh-3.7V-Lithium Ion) for Siemens Gigaset SL4, Openstage, SL350, Professional, S30852-D2152-X1, for Telekom Sinus A806

Product ID: 165909143

Details

Number of batteries
2 Product
Brand
CELLONIC
Battery cell composition
Lithium Ion
Battery capacity
850 Hour (mAh)
Recommended uses for product
Camera Gaming

⚡3.7V stable Lithium Ion cells

🔄Wide compatibility with Siemens Gigaset models

🔋850mAh high-capacity power

¥7556

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Description

🔋 Power up your calls, stay connected longer!

BACKUP READY - Keep a spare on hand to avoid downtime and stay connected when it matters most
LONG LASTING POWER - Premium Lithium Ion cells deliver extended call time and fewer charging interruptions
COST EFFECTIVE UPGRADE - Extend your device’s life without the premium price of original batteries
SEAMLESS COMPATIBILITY - Perfectly fits Siemens Gigaset SL400, SL450HX, SL78H & more for hassle-free replacement
RELIABLE GERMAN ENGINEERING - Tested to strict standards ensuring durability and consistent performance

This 850mAh, 3.7V Lithium Ion replacement battery is engineered for Siemens Gigaset SL400, SL450HX, SL78H, and SL78 models. It offers premium performance with long-lasting power, tested for durability under German standards, providing a cost-effective and reliable alternative to original batteries.

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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¥7556

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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