cs battery Replacement Battery for Garmin Alpha Alpha 100 T5 TT15 DC50 TT10

Quick take

This replacement rechargeable lithium-ion battery is built for select Garmin dog tracking systems, including Alpha/Alpha 100, TT15/TT15X, TT10, and DC50 models. It lists 3.7V and 3400mAh capacity, with physical dimensions that are intended to match the specified compartment. The main buying caveat is that reported runtime and charging longevity are mixed across users, so compatibility checks matter as much as battery expectations.

Pros and cons

Pros

  • Designed to replace Garmin batteries for multiple listed Alpha, TT, and DC50 collar systems.
  • Includes safety protections in the battery design (over-charge, over-discharge, over-heat, over-current, short-circuit).
  • Users describe a fit that matches the collar battery compartment and a relatively direct installation process.
  • Rechargeable lithium-ion battery rated at 3.7V, 3400mAh.

Cons

  • Battery life and long-term charging reliability are inconsistent in user reports.
  • Small screws and careful handling are required for installation, so it is not a “drop-in” swap for everyone.
  • You must match the correct Garmin part number before buying to avoid fit or performance issues.

What buyers think

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Buyer-review evidence is limited, but the available feedback centers on three themes: installation fit, charging behavior, and how long the battery lasts in normal use. Some buyers report the battery fits well in the Garmin TT series and that charging indicators show charging has started after installation. Others report very short runtime (only a couple of hours on a full charge) or that the battery stops charging after a handful of charges. A small number of reviews describe the replacement as working well or as easy to replace, but the overall signal suggests that performance longevity may vary, so it is wise to buy with realistic expectations and confirm compatibility carefully.

What this battery is for

This is a replacement rechargeable battery intended for Garmin dog tracking systems, including listed models across the Alpha, Alpha 100, TT10, TT15/TT15X, T5, and DC50 family. It is also specified to work with certain part-number variants (for example, 010-11828-03 and 010-10806-30 are listed among supported numbers). If your collar or tracker will no longer hold a charge, or you are planning a replacement to get back to reliable tracking sessions, this is the type of component you would evaluate.

Compatibility checklist (do not skip)

Battery swaps are only “easy” when the new battery matches both the physical compartment and the electronic expectations of the device. Before purchasing, verify your Garmin battery part number matches one of the supported part numbers listed for this replacement. Pay attention if your device is labeled with a specific model variant (for example, TT15 versus TT10, or DC50 versus other related units) and confirm that the battery you choose is intended for that exact family.

Specs that matter for buyers

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  • Battery chemistry: lithium-ion (rechargeable)
  • Voltage: 3.7V
  • Capacity: 3400mAh (12.58Wh)
  • Physical size: 66.20 x 20.60 x 18.50 mm
  • Weight: 47g

Installation and day-to-day use

One reported advantage is that the battery can fit correctly inside at least some of the listed collar compartments. However, installation may require patience: some users describe small screws and careful alignment when reassembling the battery plate. If you are comfortable opening the battery compartment, you are more likely to have a smooth swap. If you prefer tool-free repairs, this may feel more involved than a typical consumer battery change.

Pros and cons in plain English

When it makes sense

  • You have a compatible Garmin Alpha/TT/DC50-family device and you can confirm the correct part number.
  • You need a replacement battery to restore tracking, and you are able to handle a careful battery-compartment install.
  • You value having a spare battery on hand for field sessions where downtime is inconvenient.

When you should think twice

  • Your priority is consistent, long charging cycles, and you want strong confidence in longevity, because user reports are mixed on runtime and whether charging remains reliable over time.
  • You are sensitive to small-screw assembly tasks and would rather use a simpler replacement process.
  • You have not verified the part number match, since compatibility is a critical determinant of both fit and expected behavior.

Alternatives to consider

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If you are shopping around for a battery replacement, compare on compatibility (part number match first), chemistry and voltage (3.7V lithium-ion), and practical battery-life expectations from buyer feedback. If your use case is intensive and you run long tracking sessions, it can also be worth considering whether buying additional spare batteries (so you can rotate them) better fits your field routine than relying on a single replacement unit.

Verdict

The cs battery replacement battery is a reasonable option for Garmin Alpha/TT/DC50-family owners who can confirm the correct supported part number and are comfortable with a careful installation. The best reason to buy is compatibility and the stated voltage and capacity match. The main caution is mixed reports on how long the battery lasts or whether it continues charging after several charges, so if long-term consistency is your top priority, weigh battery-life risk and consider how you manage spares.

FAQ

Is this battery compatible with Garmin TT15?

It is listed as compatible with Garmin TT15 and TT15X models, but you should still verify your specific Garmin battery part number matches one of the supported numbers provided for this replacement.

What voltage and capacity does it have?

It lists a 3.7V lithium-ion battery with a 3400mAh capacity (12.58Wh).

Is it rechargeable?

Yes, it is described as a rechargeable lithium-ion battery.

How difficult is the installation?

Installation may require careful handling. Some users describe small screws and using tools to align and reinsert them, so it is not always a fast, tool-free swap.

Does it hold a charge for a long time?

Buyer feedback is mixed. Some reports describe normal charging and usable operation, while others mention short runtime or charging issues after a small number of charges, so real-world longevity may vary.

What part number should I look for before ordering?

Check your current battery for the Garmin part number and confirm it matches one of the supported part numbers listed for this replacement (such as 010-11828-03).

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Specifications

Product Titlecs battery Replacement Battery for Garmin Alpha Alpha 100 T5 TT15 DC50 TT10 Alpha GPS Pig Hunting Dog Tracking System DC50 Dog Tracking Collar GAA002 GAA003 GAA004, fits Part No 010-11828-03
CategoryElectronics > GPS, Finders & Accessories > GPS System Accessories > Batteries
BrandCS BATTERY
Manufacturercs battery
Model NameAlpha Alpha 100
Number of Batteries1 Product Specific batteries required. (included)
UPC732159349579
Built-In MediaBattery
Battery Capacity3400 Milliamp Hours
Voltage3.7 Volts
ReusabilityRechargeable
Unit Count1 Count
Battery Weight47 Grams
Antenna LocationGPS
Battery Cell TypeLithium Ion
Battery Cell CompositionLithium Ion
Recommended Uses For ProductGPS

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