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GreatCall Jifferbug Smart Replacement Battery TLp025A2 3.8V 2500mAh

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From $24.99 USD $30.99
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Fits GreatCall Jifferbug Smart (A622, A622GL) — direct replacement for OEM TLp025A2 battery pack.
3.8V, 2500mAh capacity delivers full talk time and standby performance on this senior-focused smartphone platform.
Connector slides straight into the stock slot with positive contact first — single locking tab seats flush against the housing clip.
Bench testing confirmed the BMS accepted a full charge cycle on standard 5V USB input without fault codes or cutoff events.
On first use after installation, disable fast charging for one complete discharge-charge cycle — this lets the fuel gauge IC recalibrate against the new cell discharge curve before high-current charging.
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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.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

3.8V

Amp

2500mAh

GreatCall Jitterbug Smart A622 — 3.8V Li-Polymer Replacement Battery (TLp025A2)

This 3.8V 2500mAh Li-Polymer cell replaces the original TLp025A2 battery in the GreatCall Jitterbug Smart, A622, and A622GL. It fits the standard battery bay without modification and connects to the same three-pin contact used by the factory cell. Capacity is 2500mAh at 9.5Wh — matching the OEM specification.

  • A622 and A622GL compatibility: Both variants share the same 3.8V battery rail, connector pinout, and BMS handshake protocol. The TLp025A2 part number covers all three models — no variant-specific cell exists.
  • Bench tested on actual hardware: We cycled this cell through a full charge and discharge on the A622GL. The BMS accepted the charge handshake on the first cycle and reported cell state correctly through the fuel gauge IC after one complete discharge.
  • Fuel gauge recalibration on first install: On first use after installation, disable fast charging and run one complete discharge-charge cycle at standard current. This gives the fuel gauge IC time to map the new cell's discharge curve before high-current charging begins on an uncalibrated cell.

Why the Jitterbug Smart reports wrong battery percentage after a cell swap

The fuel gauge IC stores a learned discharge curve from the original cell. When a new cell goes in, the IC is still reading against old data — so reported percentage drifts from actual charge state. This shows up most as an inflated reading that drops sharply once the phone is under modem or screen load. One full discharge to auto-shutoff followed by an uninterrupted charge to 100% forces the IC to rewrite its reference curve against the new cell. After that cycle, percentage reporting stabilises.

Sudden shutdown at 20–30% on the replacement cell

This is a voltage cliff issue, not a capacity problem. The Jitterbug Smart's modem and display draw a combined current spike that the cell cannot sustain once it dips below roughly 3.5V under load — even when the resting voltage reads higher. The phone's under-voltage protection triggers a hard shutoff rather than allowing the cell to drop further. Charge the phone fully, then run one complete cycle to let the fuel gauge IC set a new low-voltage reference point at the correct state of charge for this cell.

Compatible Models

Jifferbug Smart A622 A622GL

Replaces Part Numbers

TLp025A2

Technical Specifications

Voltage3.8V
Amp Hours2500mAh
Capacity2500mAh
Rate9.5Wh
Net Weight41g /1.45 oz
Gross Weight66g /2.33 oz
Approximate Weight66g /2.33 oz
Dimension 73.10 x 54.13 x 4.40mm

Product Highlights

  • Brand: GreatCall
  • Manufacturer: CS
  • Series: X-Longer
  • Color: Black
  • Product Type: Li-Polymer
  • Battery Type: Li-Polymer
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My Jitterbug Smart won't turn on at all after sitting unused for a few months — is the battery dead?

Most likely the BMS has locked the cell out due to deep discharge below 2.5V per cell, which happens when a Li-Polymer cell self-discharges in storage. Plug the phone into a wall charger — not a PC USB port — and leave it for 20–30 minutes without pressing the power button. The charge IC needs to trickle current into the cell before the BMS will release the lockout and allow a normal boot. If the charge indicator still doesn't appear after 30 minutes on wall power, the original cell is unrecoverable and replacement is the next step.

The battery percentage on my Jitterbug Smart jumps around erratically — one minute it says 60%, then 45%, then back to 55%.

This is the fuel gauge IC recalibrating after a new cell is installed. The IC tracks charge state using a coulomb counter that was calibrated to the old cell's impedance and discharge curve. With a new cell in place, the counter loses accuracy mid-cycle and reports unstable readings. Run one full uninterrupted discharge — use the phone normally until it shuts itself off — then charge straight to 100% without interruption. That single cycle gives the IC enough data to anchor the coulomb counter to the new cell.

Fast charging stopped working after I replaced the battery — the phone just charges slowly now.

The USB-PD or proprietary fast-charge handshake between the charge IC and the BMS sometimes fails on the first cycle with a new cell. The charge IC defaults to standard current as a safety measure when it can't confirm cell state from the new BMS. Charge the phone fully at standard speed first, then disconnect and reconnect the charger — on the second connection cycle the BMS typically confirms cell state and the fast-charge protocol re-enables. If it still doesn't trigger, reboot the phone while on charge to reset the charge IC negotiation.

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