Best Fritzfone C4 2026

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Last Updated - 22.07.2026

Best Choice

01

FRITZ!

FRITZ! Fon X6 Black DECT Comfort Telephone (High Quality Colour Display, HD Telephony, Full Duplex Hands-Free Calling, Control FRITZ!Box Functions), Black, German Version

10% Off

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9.7

Exceptional

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Use of Internet services: emails, web radio, feeds, podcasts as well as live image from webcams, comfort services such as wake-up call, call forwarding and baby monitor
Regular, free updates at the touch of a button for maximum safety and new functions as well as eco functions, such as brightness and motion sensor for energy-efficient display operation and wireless shutdown in standby mode
Control of FRITZ!Box functions, e.g. WLAN switching, smart home applications, playback function of the media server, as well as button for quick access to freely assignable favourites
Comfort cordless phone with full duplex hands-free calling and intuitive menu navigation for all FRITZ!Box models with DECT base station
Clear menus on high-quality colour display (2.4 inches), telephone books for up to 300 entries, multiple answering machines with remote query, up to 16 hours of call time, up to 10 days standby
Box contents: FRITZ!Fon X6 black, charging station with integrated power supply for connection to the 230 volt power supply, Li-ion battery pack, printed German quick start guide (English language not guaranteed)

88,93 € 99,00 €(10% Off off)
02

Wicked Chili

Wicked Chili Pack of 3 Batteries Compatible with AVM Fritz!Fon C5 / C4 / M2 / Fritzfon Telephone Additional Battery Replacement Battery for Original AVM Fritz Fon 312BAT006, 312BAT016 (750 mAh Li-Ion)

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9.6

Exceptional

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Wicked Chili Pro Series 750 mAh battery - replaces the original Fritzfon batteries 312BAT016, 312BAT006, 312BAT006CS-FVM446CL for MT-F/C5/C4/M2
Rechargeable Li-ion battery with a capacity of 750 mAh and 2.78 Wh. Reliably powers compatible AVM Fritz phones
Quality and high-quality workmanship guarantee optimal battery life, high battery capacity and a long service life of the additional battery
No difference, the powerful long-lasting battery is a perfect fit and 100% suitable for AVM FRITZ-Fon C5 C4 MT-F and Fritz Fon M2 phones
Box contents: 3x Wicked Chili replacement battery for AVM FRITZ!Fon M2 / C5 / C4 / MT-F (0.75 Ah - Li-ion battery, 2.4 V - 2.78 Wh)

19,99 €
Value for Money

03

digibuddy

Battery for AVM Fritz!Fon MT-F / M2 / C4 / C5 Replaces 312BAT006, 312BAT016

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9.4

Excellent

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Type: Li-ion

6,99 €
04

Wicked Chili

Wicked Chili Battery Compatible with AVM Fritz!Fon C5 / C4 / M2 / Fritzfon Telephone Additional Battery 1x Replacement Battery for Original AVM Fritz Fon 312BAT006, 312BAT016 (750 mAh Li-Ion)

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wicked Chili Pro Series 750 mAh battery - replaces the original Fritzfon batteries 312BAT016, 312BAT006, 312BAT006CS-FVM446CL for MT-F/C5/C4/M2
Rechargeable Li-ion battery with a capacity of 750 mAh and 2.78 Wh. Reliably powers compatible AVM Fritz phones
Quality and high-quality workmanship guarantee optimal battery life, high battery capacity and a long service life of the additional battery
No difference, the powerful long-lasting battery is a perfect fit and 100% suitable for AVM FRITZ-Fon C5 C4 MT-F and Fritz Fon M2 phones
Box contents: Wicked Chili 1x replacement battery for AVM FRITZ!Fon M2 / C5 / C4 / MT-F (0.75 Ah - Li-ion battery, 2.4 V - 2.78 Wh)

9,95 €
05

Wicked Chili

Wicked Chili Pack of 2 Batteries Compatible with AVM Fritz!Fon C5 / C4 / M2 / MT-F/Motorola Moto F3 / EM325 / M325 / EM25 - Replacement Battery for: AVM 312BAT016, 312BAT006, 312BAT006CS-FVM446CL, 750 Li-ion Li-ion Li-ion

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wicked Chili Pro Series 750 mAh battery - replaces the original Fritzfon batteries 312BAT016, 312BAT006, 312BAT006CS-FVM446CL for MT-F/C5/C4/M2
Rechargeable Li-ion battery with a capacity of 750 mAh and 2.78 Wh. Reliably powers compatible AVM Fritz phones
Quality and high-quality workmanship guarantee optimal battery life, high battery capacity and a long service life of the additional battery
No difference, the powerful long-lasting battery is a perfect fit and 100% suitable for AVM FRITZ-Fon C5 C4 MT-F and Fritz Fon M2 phones
Box contents: 2 x Wicked Chili replacement batteries for AVM FRITZ!Fon M2 / C5 / C4 / MT-F (0.75 Ah - Li-ion battery, 2.4 V - 2.78 Wh)

14,99 €
06

JUBOTY

850 mAh 2026 Updated Version Battery for AVM Fritz!Fon Model MT-F / C5/ C4/ M2 / 312BAT006/ 312BAT016/ 312BAT006CS-FVM446CL/BD50/ SNN5796A Telephone, Rechargeable Li-ion Replacement Battery (Pack of 1)

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Widely compatible- Please open your phone to carefully check the compatible battery model and part number before purchase. Only compatible with AVM Fritz!Fon model MT-F / M2 / C4 / C5 /312BAT006/ 312BAT016 312BAT006CS-FVM446CL/ BD50/ SNN5796A/ SNN5796 phone replacement battery, part number: MT-F
Strict Quality Selection The battery is manufactured and tested to strict quality control standards to ensure the safety of you and your devices. We have a professional manufacturer, with professional production equipment, strict quality tests will be carried out during production, and high-quality batteries will be screened by layers to ensure the quality and life of the battery
Purchase Worry-Free Warranty: If you received a defective item, please contact our JUBOTY support team by email: Product page--Sold by JUBOTY--Ask us, we will reply you within 12 hours
High quality and safety protection MT-F battery are made of high-quality materials and circuit boards with improved low self-discharge, and integrated multi-circuit and high-quality intelligent chip to protect against overcharging, short circuit, overheating and overvoltage, to ensure battery charging safety, extend the life of the battery
Battery specifications and high-performance battery: battery type: lithium-ion battery, capacity: 850 mAh/3.14 Wh, voltage: 3.7 V, size: 1.85 x 1.38 x 0.2 inches. 850 mAh rechargeable battery with intelligent protection technology, durable and excellent performance, up to 1200+ deep charge/discharge cycles

7,99 €
07

TAYUZH

2 x 1000 mAh batteries for AVM Fritz!Fon C5 / C4 / M2 / Fritzfon phone 312BAT006, 312BAT016, 312BAT006CS-FVM446CL

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Pack of 2 1000 mAh batteries for AVM Fritz!Fon C5 / C4 / M2 / Fritzfon phone 312BAT006, 312BAT016, 312BAT006CS-FVM446CL

11,99 €
08

TAYUZH

1000 mAh Battery for AVM Fritz!Fon C5 / C4 / M2 / Fritzfon Phone 312BAT006, 312BAT016, 312BAT006CS-FVM446CL

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

What you get: customer satisfaction protection + 1000 mAh battery for AVM Fritz!Fon C5
Warm tips: the capacity of the AVM Fritz!Fon C5 battery: 1000mAh; Voltage: 3.7V; When using this replacement battery, please use the original charger to charge and remember that full power and longevity is only achieved after 3 to 5 full charge and discharge cycles, so that the battery can achieve the optimal effect of use
High-quality Li-ion battery: each battery for AVM Fritz!Fon C5 has been tested under strict quality control and testing. The built-in A-grade quality batteries can effectively prevent overcharging, over-discharge and overheating protection, short circuit protection, and durable
Compatible Battery Model This battery is compatible with AVM Fritz!Fon C5, C4, M2, Fritzfon Phone 312BAT006, 312BAT016,312BAT006CS-FVM446CL. Please check your device model before placing your order
1000 mAh high capacity: 1000 mAh battery with higher capacity for AVM Fritz!Fon C5, more power than original or other batteries. Brand new 0 cycle, last over 1000 cycles. Store more energy, extend the life of the battery and standby time, say goodbye to the hassle of insufficient old batteries

6,99 €
09

TAYUZH

Battery for AVM Fritz!Fon C5 / C4 / M2 / Fritzfon Telephone 312BAT006, 312BAT016, 312BAT006CS-FVM446CL 850mAh

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

What you get: customer satisfaction protection + 850 mAh battery for AVM Fritz!Fon C5
Warm tips: the capacity of the AVM Fritz!Fon C5 battery: 850 mAh; voltage: 3.7 V; when you use this replacement battery, please use the original charger to charge and remember that the full power and longevity is only achieved after 3 to 5 full charge and discharge cycles, so that the battery can achieve the optimal effect of use
High-quality Li-ploymer battery: each battery for AVM Fritz!Fon C5 has been tested under strict quality control and testing. The built-in A-grade quality batteries can effectively prevent overcharging, over-discharge and overheating protection, short circuit protection, and durable
Compatible Battery Model This battery is compatible with AVM Fritz!Fon C5, C4, M2, Fritzfon Phone 312BAT006, 312BAT016,312BAT006CS-FVM446CL. Please check your device model before placing your order
850 mAh high capacity: 850 mAh battery with higher capacity for AVM Fritz!Fon C5, more power than original or other battery. Brand new 0 cycle, last over 1000 cycles. Store more energy, extend the life of the battery and standby time, say goodbye to the hassle of insufficient old batteries

7,99 €
10

FIALDETEC

FIALDETEC Battery for AVM Fritz!Fon MT-F M2 C4 C5 Replacement Battery 312BAT006 750 mAh Li-Ion

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Long-lasting performance: constant and reliable power supply for your compatible high capacity phone
Lithium-ion technology: advanced battery technology ensures a long life and consistent performance without memory effect
HIGH QUALITY REPLACEMENT BATTERY: Rechargeable Li-ion battery with a capacity of 750 mAh, which replaces the original battery 312BAT016 and 312BAT006
Easy replacement: the battery can be easily installed as a replacement for the original battery in your Fritz!Fon device
Compatibility: Specially designed for AVM Fritz!Fon phones and ensures a reliable power supply

7,99 €