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A dark grey Gigaset cordless phone, captured at an angle from the top right. A bright, blank display is visible, with a keypad below featuring a green call button and a red hang-up button, a navigation pad and number keys. The background is out of focus.

Rechargeable batteries for cordless phones – reliable power for your calls

Stay in touch at all times with our high-quality batteries for cordless phones. In our range, you’ll find long-lasting batteries that have been specially developed for use in cordless phones.

  • Reliable performance for long talk times.
  • High capacity, to minimise the need for frequent recharging.
  • Compatibility with a wide range of brands and models.

Whether for personal or business use – our batteries ensure that your cordless phone is always ready for use.

Find the right battery model for your cordless phone now!

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Rectangular Li-Ion replacement battery with a black casing and a light grey label. Specifications: 1300mAh, 4.81Wh, Siemens Gigaset-compatible part number V30145-K1310 X133. Three gold-plated contacts at one end.
Li Ion replacement battery for Siemens Gigaset 400 SL4 Professional - V30145-K1310-X445

Out of stock

Li Ion replacement battery for Siemens Gigaset 4000 micro, 4010, 4015, 4210, 4215, SL30, SL3501 - L36880-N5401-A102, V30145-K1310-X125, V30145-K1310-X127, V30145-K1310-X132, V30145-K1310-X1333.7 Volt 1.3 Ah 4.81 Wh - approx. Dimensions in mm 53.6x36.95x7.95 - approx. Weight 0.027 kgnon original


  • Item number: 112119
  • for manufacturer: Siemens
  • Voltage: 3,7
  • Capacity: 1,3
  • Producer: non original

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Product specifications
Black, rectangular Li-ion battery with a white label on top. The label reads: ‘3.7V 650mAh Li-ion’, with a barcode and the CE and RoHS symbols. On one side, red and black cables lead to a small white plug.
Li-Ion battery suitable for Aastra DT 390

Available for immediate delivery

Li-Ion battery suitable for Aastra DT 390, Avaya 3720, Ascom 660177, R1D FA01302005 3,7 Volt 0,65 Ah - approx. dimensions in mm 45x34x5 - approx. weight 0,020 kgnon original


  • Item number: 112129
  • for manufacturer: Avaya
  • Voltage: 3,7
  • Capacity: 0,65
  • Producer: non original

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Product specifications
Black lithium-ion battery with a white label. Gold-coloured contacts on the left, with text such as ‘Cameron Sino Technology’, a serial number and a barcode. Shown at an angle against a white background; for DeTeWe/Aastra devices.
Li-Ion battery for Aastra DeTeWe 600D, 610D, 620D,

Available for immediate delivery

Li-Ion battery for Aastra DeTeWe 600D, 610D, 620D, 630D, DTS113,7 Volt 0,8 Ahnon original


  • Item number: 112121
  • for manufacturer: Aastra
  • Voltage: 3,7
  • Capacity: 0,8
  • Producer: non original

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Product specifications
Black, rectangular Li-ion battery on a white background. Label: Model CS-KNF300SL, P/N AEC18650-2S2P, 7.4V, 5050mAh, 37.37Wh, safety instructions. Suitable for Konftel 300M/300MX.
Li Ion battery suitable for Konftel 300M, 300MX

Out of stock

Li Ion battery suitable for Konftel 300M, 300MX, 300W, 300WX Replaces 900102095, for AEC18650-2S2P, for Li18S7.4 Volt 5.05 Ah 37.37 Wh - approx. dimensions in mm 144.65x38.9x20.7 - approx. weight 0.203 kgNon original


  • Manufacturer: COPACKS
  • Item number: 112150
  • for manufacturer: Konftel
  • Voltage: 7,4
  • Capacity: 5,05
  • Producer: non original

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Product specifications
Compact, black, cylindrical NiMH rechargeable battery consisting of two connected cells. White label: ‘NiMH battery pack, 2.4 volts / 0.40 Ah’. Red and black cable with a small white connector, e.g. for the AEG Beat 15.
CoPacks NiMH battery suitable for AEG Beat 5

Available for immediate delivery

CoPacks NiMH battery suitable for AEG Beat 52,4 Volt 400 mAh non original


  • Manufacturer: COPACKS
  • Item number: 112138
  • for manufacturer: AEG
  • Voltage: 2,4
  • Capacity: 0,4
  • Producer: non original

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Product specifications
A black lithium-ion battery with gold-coloured contact pins on the top, compatible with Aastra DT690 and DT692 telephones. The front features a detailed label with technical specifications and safety warnings.
Li-Ion battery for Aastra DT690, DT692, DH4-BAAA/2

Available for immediate delivery

Li-Ion battery for Aastra DT690, DT692, DH4-BAAA/2B 3.7 Volt 0.93 Ah 3.44Wh approx. dimensions in mm 72.8x43.78x9.2 - approx. weight 0.028 kgNon original


  • Manufacturer: COPACKS
  • Item number: 112123
  • for manufacturer: Aastra
  • Voltage: 3,7
  • Capacity: 0,93
  • Producer: non original

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Product specifications
White Li-Ion battery Cameron Sino, model CS-AYH100MD, part no. RB-490926-LW. Specifications: 3.7 VDC, 1750 mAh, 6.48 Wh. Warning: do not dismantle; do not store above 60°C. The downward-pointing arrow indicates the insertion direction. For Ascom devices.
Li-Ion battery suitable for Ascom 490926A, RB-4909

Out of stock

Li-Ion battery suitable for Ascom 490926A, RB-490926-LW, Myco, Myco SH1 VoWiFi, SH1-ABAA, SH1-ABAA/F3,7 Volt 1,75 Ah 6,48 Wh - approx. dimensions in mm 53,5x51,4x6,8 - approx. weight 0,063 KgNon original


  • Manufacturer: COPACKS
  • Item number: 112149
  • for manufacturer: Ascom
  • Voltage: 3,7
  • Capacity: 1,75
  • Producer: non original

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Product specifications
Black, rectangular Li-ion battery with a white label bearing technical specifications and safety instructions. Three gold-coloured contact pins are visible at the top. The battery is housed in a black plastic holder for Ascom/Innovaphone devices.
Li-Ion battery suitable for Ascom 49033A, 660497

Out of stock

Li-Ion battery suitable for Ascom 49033A, 660497, Innovaphone 490933A, D63, DH7, DECT 37353,7 Volt 0,8 Ah 2.96 Wh - approx. dimensions in mm 79,72x47,16x10,3 - approx. weight 0,029 kgnon originalNote: not for i63


  • Manufacturer: COPACKS
  • Item number: 112148
  • for manufacturer: Ascom
  • Voltage: 3,7
  • Capacity: 0,8
  • Producer: non original

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Product specifications
Black lithium-ion battery with gold-coloured contacts on the left. Labelled with technical specifications and safety warnings, including 3.7 volts and 0.65 Ah. Replacement battery suitable for the Alcatel, Lucent DECT Mobile 500 and NEC i755.
Li-Ion battery for Alcatel Lucent Dect 500

Available for immediate delivery

Li-Ion battery for Alcatel Lucent Dect 500 3,7 Volt 0,65 Ah non original


  • Manufacturer: COPACKS
  • Item number: 112145
  • for manufacturer: Alcatel
  • Voltage: 3,7
  • Capacity: 0,65
  • Producer: non original

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Product specifications
Black cylindrical NiMH battery with a white label showing the brand, model and capacity (1.2 volts, 2.0 Ah). Two wires, red and black, lead to a small white plug. This battery is compatible with the Alcatel 4068IP Touch Bluetooth.
NiMH battery for Alcatel 4068IP Touch Bluetooth

Out of stock

NiMH battery for Alcatel 4068IP Touch Bluetooth1,2 Volt 2,0 Ah - approx. dimensions in mm 50,2x15,3x15,3 - approx. weight 0,03 kgnon original


  • Manufacturer: COPACKS
  • Item number: 112144
  • for manufacturer: Alcatel
  • Voltage: 1,2
  • Capacity: 2,0
  • Producer: non original

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Product specifications
Black Li-ion battery for Avaya and Aastra DECT phones, with a sticker bearing the model number CS-AYD810CL, 3.7V, 1100mAh, 4.07Wh. Three gold contacts are visible at the top, with a matching device connector at the bottom.
Li-Ion battery suitable for Avaya JM1131, 3700 EX, DECT 3740, Aastra DT413

Available for immediate delivery

Li-Ion battery suitable for Avaya JM1131, 3700 EX, DECT 3740, Aastra DT413 3,7 Volt 1,1 Ah 4,07 Wh - approx. dimensions in mm 72x44x9non original


  • Item number: 112140
  • for manufacturer: Avaya
  • Voltage: 3,7
  • Capacity: 1,1
  • Producer: non original

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Product specifications
A small, rectangular black lithium-ion battery on a white surface. On the top is a white label showing the model number V30145-K1310K-X447, 3.7 V, 1050 mAh and safety instructions. There are three gold contacts at one end.
Li Ion battery suitable for Siemens Gigaset SL910 - V30145-K1310K-X447

Out of stock

Li Ion battery suitable for Siemens Gigaset SL910, SL910A, SL910H3,6 Volt 1,0 Ah - Replacement for: V30145-K1310K-X447Non original


  • Manufacturer: COPACKS
  • Item number: 112135
  • for manufacturer: Siemens
  • Voltage: 3,6
  • Capacity: 1,0
  • Producer: non original

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Product specifications
A light green, cylindrical NiMH battery with red and black cables leading to a small white plug. Marked ‘HM1OP’. Suitable for various Medion Life models, delivers 2.4 volts.
NiMH battery suitable for Medion Life S63036, MD82622

Out of stock

NiMH battery suitable for Medion Life S63036, S63062, S63064, S63065, S63069, S63075, S63080, S63182, X63003, X63005, MD82622, MD82973, MD83001, MD83022, MD83024, MD83091, MD83166, MD83230, MD83542, Swissvoice DP500, DP500 Eco Plus, DP5502,4 Volt 0,5 Ahnon original


  • Manufacturer: COPACKS
  • Item number: 112131
  • for manufacturer: Medion
  • Voltage: 2,4
  • Capacity: 0,5
  • Producer: non original

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Product specifications
Compact, silver-grey Li-ion battery insert with housing for Avaya Tenovis DECT telephones, shown at an angle from above. Slightly rounded top with three fine, horizontal embossed lines. Three small, round connectors at the front.
Li Ion battery suitable for Avaya Tenovis Dect IH4 - with case

Out of stock

Li Ion battery suitable for Avaya Tenovis Dect IH4 3,6 Volt 0,7 Ah - aprox. dimensions in mm 51x41x10 - aprox. weight 0,02 kgnon original


  • Manufacturer: COPACKS
  • Item number: 112127-G
  • for manufacturer: Avaya Tenovis
  • Voltage: 3,6
  • Capacity: 0,7
  • Producer: non original

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Product specifications
Rectangular lithium-ion battery with a green surface and silver casing, viewed from above. Markings: barcode, ‘3.6V/700mAh 2.5Wh Li-ion’, RoHS CE, Made in China, safety warnings. Two gold-coloured contacts. Compatible with the Avaya Tenovis DECT IH4.
Li Ion battery for Avaya Tenovis DECT IH4

Out of stock

Li Ion battery for Avaya Tenovis DECT IH4 3,6 Volt 0,7 Ah - aprox. dimensions in mm 36x34x7 - aprox. weight 0,016 kgnon original


  • Manufacturer: COPACKS
  • Item number: 112127
  • for manufacturer: Avaya Tenovis
  • Voltage: 3,6
  • Capacity: 0,7
  • Producer: non original

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Product specifications
Black, rectangular Li-ion battery for Avaya DECT phones. A white label on the top reads: ‘BATTERY PACK FOR AVAYA 3725 DECT 3.7V 900mAh 3.3Wh’ with safety instructions. Three gold-coloured contacts on the left.
Li Ion battery suitable for Aastra Avaya DT690, DECT 3720, 3725, DH4

Available for immediate delivery

Li Ion battery suitable for Aastra Avaya DT690, 3720, DECT 3720, 3725, DH4, DECT DH4, WH1type 660190, R1A, 04865153,7 Volt 0,9 Ah - aprox. dimensions in mm 72x45x9 - aprox. weight 0,03 Kgnon original


  • Manufacturer: COPACKS
  • Item number: 112125
  • for manufacturer: Avaya Tenovis
  • Voltage: 3,7
  • Capacity: 0,9
  • Producer: non original

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Product specifications
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