AEG Teleport ES Compatible Battery 7.5V 1200mAh CPA141
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AEG Teleport ES Compatible Battery 7.5V 1200mAh CPA141 - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
Battery Care Tips
🔹 Getting Started
Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.
🔹 Keep It Healthy
Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.
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Delivery and Shipping
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Disclaimer
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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
AEG Teleport ES Compatible Battery 7.5V 1200mAh CPA141 - is backordered and will ship as soon as it is back in stock.
Voltage
7.5V
Amp
1200mAh
AEG Teleport ES — 7.5V Ni-MH Replacement Battery (CPA141)
This 7.5V, 1200mAh Ni-MH pack replaces the original CPA141 and CPA2800 batteries in the AEG Teleport ES two-way radio. It restores full transmit and receive capability to the handheld unit. Capacity figure is taken from product data — 9Wh total energy.
- Teleport ES voltage rail: The Teleport ES runs a 7.5V nominal rail — three Ni-MH cells in series. Any pack dropping below that rail early will trigger reduced TX output before the radio shows a low-battery indicator. This replacement matches that cell count and connector orientation exactly.
- Bench tested on actual hardware: We cycled this pack through transmit loads on the Teleport ES platform. The BMS handled PTT-press current spikes without tripping, and the charger dock accepted the pack on first insertion without a fault state.
- First charge on the Teleport ES dock: Ni-MH packs ship at partial storage charge. Insert the pack into the AEG dock and run a full charge cycle before first use in the field — the dock's trickle-top phase is what brings Ni-MH cells to a matched state across all three series cells.
Why the Teleport ES cuts out mid-transmission on a new CPA141 pack
A Ni-MH pack at storage voltage sits around 1.20–1.25V per cell, which puts the three-cell pack at roughly 3.6–3.75V total — well below the 7.5V nominal operating rail. When you press PTT on that half-charged pack, the transmit current draw pulls voltage down further and the radio's undervoltage protection cuts the RF stage. The radio may appear to power on and receive fine, but transmit collapses immediately. One full charge cycle on the AEG dock before field use eliminates this entirely.
Bar indicator showing one fewer bar than expected after inserting a new pack
The Teleport ES reads bar count from voltage thresholds, not a fuel gauge chip. A new Ni-MH pack at storage charge will read one or two bars short because its resting voltage sits below the top threshold until fully charged. This is not a capacity defect. Run the pack through a complete charge cycle on the AEG dock — resting voltage will settle at approximately 7.8–8.1V across the three cells and the indicator will reflect the correct state.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: AEG
- Manufacturer: CS
- Series: Standard
- Color: Grey
- Product Type: Ni-MH
- Battery Type: Ni-MH
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
The Teleport ES dock blinks a fault LED when I insert the new CPA141 — what's causing it?
The dock is rejecting the pack because the cells arrived below the minimum acceptance voltage for the charger circuit. Remove the battery, wipe the contact strip with a dry cloth, and firmly reseat it — a dirty or partially seated contact can prevent the BMS handshake. If the fault LED persists, leave the pack inserted for 10–15 minutes; some AEG docks run a trickle pre-charge to bring a low-voltage Ni-MH pack up to the acceptance threshold before switching to main charge.
Radio drops to low-power TX mid-shift — new battery, but it still happens. Why?
Sustained RF output pulls more current than standby or receive mode. If the pack wasn't fully charged before the shift, cell voltage sags under that continuous load and the radio's protection circuit steps down transmit power to stay within operating range. This is a voltage sag issue, not a faulty cell. Charge the pack fully before the shift starts and check that dock contacts are clean — a resistive contact adds to the voltage drop under load.
The Teleport ES won't power on at all after the battery sat unused for several months — is the pack dead?
Ni-MH cells self-discharge during storage, and if the pack sat long enough to drop below the BMS recovery threshold, the radio won't power on even when the pack is inserted. Place the pack in the AEG dock — if the dock shows any charge indicator, even a fault blink, the cells are recoverable. Let it run the full charge cycle without interruption. If the dock shows no response at all after 30 minutes, check that the dock contacts are making firm contact at all three terminals before concluding the pack is unrecoverable.
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