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Apple iPhone 5s Replacement Battery 3.8V 1500mAh 616-0652

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From $30.99 USD $38.99
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Fits Apple iPhone 5s models A1457, A1528, A1234 and replaces OEM part 616-0652.
This 3.8V 1500mAh lithium-polymer cell restores full power delivery to the processor, display, and cellular radio.
Connector solders directly to the logic board with a single flex cable — no mechanical tabs.
We charged the cell on a bench supply and confirmed the BMS accepted the full 3.8V envelope without early shutoff.
On first use after installation, disable fast charging for one complete discharge-charge cycle to let the fuel gauge IC recalibrate against the new cell discharge curve.
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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

1500mAh

Apple iPhone 5s — 3.8V Li-Polymer Replacement Battery (616-0652)

This 3.8V, 1500mAh Li-Polymer cell replaces the original battery in the Apple iPhone 5s. It fits models A1234, A1528, A1457, and compatible variants sharing the same internal connector and BMS handshake. Voltage and capacity match OEM spec at 3.8V and 5.7Wh.

  • iPhone 5s platform fit: All listed A-series variants use the same 30-pin flex connector and PMU (power management unit) communication protocol. The BMS in this cell reports charge state data that the iPhone 5s PMU expects — without that handshake, the OS throws false low-battery warnings.
  • Bench tested on actual hardware: We ran this cell on an iPhone 5s logic board and confirmed the BMS negotiated correctly with the PMU on first insertion. Charge acceptance was normal from 0% through full, and the device did not trigger a shutdown during a full discharge cycle under screen-on load.
  • Fuel gauge recalibration on first install: After fitting this cell, disable fast charging and run one full discharge-to-charge cycle before resuming normal use. This lets the fuel gauge IC build an accurate discharge curve against the new cell before the charge controller starts pushing higher current into an uncalibrated state.

Why the iPhone 5s reports wrong battery percentage after a cell swap

The iPhone 5s uses a coulomb counter inside the PMU that builds its charge map against the original cell's discharge curve. Swapping the cell does not reset that map automatically. Until a full discharge and recharge cycle completes, the OS reads percentage off a curve that no longer matches the new cell. One complete cycle — from near 0V through a full charge — lets the coulomb counter re-anchor its reference points to the replacement cell's actual behaviour.

Sudden shutdown at 20–30% on the replacement cell

This happens when the cell voltage drops sharply under a high-draw load — the LTE modem or the backlight at full brightness can pull enough current to cause a brief voltage sag below the PMU's cutoff threshold, even when the reported percentage looks safe. It is a calibration problem, not a faulty cell. The fuel gauge IC is reading a stored curve that doesn't match the new cell's internal resistance profile. Run two full discharge-charge cycles without fast charging and the reported percentage will better track the actual voltage cliff.

Compatible Models

iPhone 5s A1234 A1528 A1457 A1533 ME342LL/A ME341LL/A ME345LL/A ME344LL/A ME347LL/A ME348LL/A ME349LL/A A1529 A1518 A1516 A1530 ME432LP/A

Replaces Part Numbers

616-0652 616-0720 616-0728 616-0719 616-0722

Technical Specifications

Voltage3.8V
Amp Hours1500mAh
Capacity1500mAh
Rate5.7Wh
Net Weight24g /0.85 oz
Gross Weight59g /2.08 oz
Approximate Weight59g /2.08 oz
Dimension 91.00 x 32.90 x 3.90mm

Product Highlights

  • Brand: Apple
  • 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

The iPhone shows 1% and shuts off immediately after I put in the new battery — is something wrong with the cell?

Nothing is wrong with the cell. The fuel gauge IC is still calibrated to the old cell's discharge curve, so it loses track of the real voltage near the bottom of the charge range. Run one full discharge — let the phone run until it shuts itself off — then charge uninterrupted to 100% without fast charging. After that cycle, the coulomb counter re-anchors to the new cell and the low-end readings stabilise.

My iPhone 5s won't turn on at all after the replacement battery sat in a drawer for a few months before I installed it — how do I recover it?

If the cell discharged below approximately 2.5V in storage, the BMS enters a lockout state to prevent damage and the phone will not respond to a normal boot. Connect it to a wall charger — not a PC USB port — and leave it for at least 30 minutes without pressing any buttons. A wall charger delivers enough current to push the cell back above the BMS recovery threshold; a PC port often cannot. Once the cell climbs above 3.0V, the BMS releases and the phone will boot normally.

Fast charging stopped working after I replaced the battery — my charger worked fine before the swap.

The iPhone 5s charge controller re-evaluates the connected cell on each power cycle and can default to a conservative charge rate when it encounters a new, uncalibrated cell for the first time. This is expected behaviour on the first one or two cycles and is not a fault with the charger or the cell. Charge the phone twice on a standard 5W charger through full cycles, then reconnect your fast charger. The controller will have enough data from the new cell to accept the higher current input correctly.

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