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We are not satisfied with our review scores, and we are not going to fix them by hiding anything. We are fixing them by being faster, clearer and easier to reach than any reason to complain.

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Mitel 5613/03/DT390 SPARE BATTERY PACK

Mitel 5613/03/DT390 SPARE BATTERY PACK
Mitel 5613/03/DT390 SPARE BATTERY PACK
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R892
+R3 Reward
Keep your Mitel DECT handsets running through the busiest shifts with this dedicated spare battery pack. Unlike generic aftermarket cells, this Li-Ion unit is engineered to match the exact power profile of the 5603, 5613, and DT390 cordless phones, so you get consistent talk time and a snug, reliabl... Read More
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Stock 7 Code 3393694 Brand MITEL Model 51015431 Warranty 2 Years

Shipping & Returns

Estimated delivery Tuesday, October 6
You will be kept updated through our detailed tracking system
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Keep your Mitel DECT handsets running through the busiest shifts with this dedicated spare battery pack. Unlike generic aftermarket cells, this Li-Ion unit is engineered to match the exact power profile of the 5603, 5613, and DT390 cordless phones, so you get consistent talk time and a snug, reliable fit. The 950 mAh capacity and 3.7 V output deliver steady performance for daily use, while integrated protection circuits guard against overcharge, over-discharge, and short circuits—extending the overall service life of the battery and your device.

Highlights

  • Genuine Mitel replacement battery for 5603, 5613, and DT390 DECT handsets
  • Lithium-Ion chemistry with 950 mAh capacity and 3.7 V nominal voltage
  • Integrated overcharge, over-discharge, and short circuit protection
  • Compact internal form factor designed for easy installation
  • Rechargeable—simply dock the handset in its cradle to top up

In daily use

Whether you manage a busy front desk, a warehouse floor, or a healthcare environment, a spare battery means zero downtime when a handset runs low. Swap in this pack and continue calls without waiting for a charge cycle. The black housing blends seamlessly with the handset interior, and the battery is lightweight enough to carry as a backup in a pocket or drawer. Because it is a genuine Mitel part, you avoid the compatibility and safety risks often associated with third-party replacements.

Full specifications

  • Brand: Mitel
  • Model: 51015431
  • Manufacturer Part Number (MPN): 65000640
  • Battery type: Lithium-Ion (Li-Ion)
  • Voltage: 3.7 V
  • Capacity: 950 mAh
  • Energy rating: 3.5 Wh
  • Rechargeable: Yes
  • Number of batteries included: 1
  • Product colour: Black
  • Compatible devices: Mitel 5603, Mitel 5613, Mitel DT390
  • Protection features: Overcharge, over-discharge, short circuit
  • Form factor: Internal phone battery
  • Intended use: Replacement battery pack

Final note

For uninterrupted communication, keep a spare Mitel battery on hand—your team will thank you when the next call comes in.

Specifications
Battery type
Lithium-Ion (Li-Ion)
Brand
Mitel
Category
Cordless Phone Battery
Model
51015431
MPN
65000640
Number of batteries supported
1
Product colour
Black
Product type
Spare Battery Pack
Type
Battery
Weight
0.028 kg
Price history over the last 6 months
Mitel 5613/03/DT390 SPARE BATTERY PACK
Current
R892
Lowest
R877
Highest
R981
Change 24H
+R12   +1%
Week
-R86   -9%
Month
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