Phone · Motorola · G8 Power
Motorola G8 Power Battery Replacement
Battery Replacement guide for the Motorola G8 Power
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Spudger tool
- Precision screwdriver set (Phillips #000)
- SIM eject tool
Parts / materials
- Replacement battery
- Battery adhesive removal strips
- Isopropyl alcohol
- Rear cover replacement adhesive
Safety
- Power down the phone completely before starting the disassembly.
- Do not bend, puncture, or apply direct heat to the lithium-ion battery.
- Wear safety glasses to protect against accidental glass or plastic debris.
Overview
Step-by-step
- 1
Eject the SIM Tray
1 minInsert a SIM eject tool into the hole on the left edge of the phone. Push gently until the tray pops out and remove it completely.
- 2
Heat the Rear Cover
2 minUse a heat gun or hair dryer to warm the back cover edges for 2 minutes. This softens the adhesive holding the plastic rear shell.
- 3
Attach Suction Cup
2 minPress a suction cup near the bottom edge of the back panel. Pull upward gently to create a seam between the cover and midframe.
- 4
Slice Rear Adhesive
4 minInsert a plastic opening pick into the gap created by the suction cup. Slide it along all four sides to slice through the adhesive seal.
- 5
Pry Open Rear Cover
2 minCarefully swing the rear cover open like a book from the left side. Do not pull it away completely yet, as the fingerprint cable is still connected.
- 6
Remove Motherboard Screws
3 minUse a Phillips #000 screwdriver to remove all screws securing the plastic top motherboard cover. Keep track of the screws for reassembly.
- 7
Detach Motherboard Frame
2 minInsert a spudger under the top plastic frame and lift it up to detach it from the phone chassis. Set the frame aside.
- 8
Disconnect Fingerprint Sensor
2 minUse a flat plastic spudger to pry the fingerprint reader flex connector straight up from its motherboard socket. Remove the rear panel.
- 9
Disconnect Battery Cable
1 minPry the battery connector directly up from the motherboard to safely cut electrical power to the device.
- 10
Disconnect Interconnect Cable
1 minUse the plastic spudger to detach the main display interconnect cable that runs across the top of the battery.
- 11
Soften Battery Glue
2 minApply a few drops of high-concentration isopropyl alcohol along the top and bottom edges of the battery. Allow it to sit for 1 minute to weaken the adhesive.
- 12
Pry Out Old Battery
4 minSlide a wide plastic card or spudger under the battery from the side. Gently lever it upward until the adhesive releases and remove the battery.
- 13
Clean Battery Recess
2 minClean any remaining adhesive residue from the frame recess using isopropyl alcohol and a lint-free cloth. Ensure the surface is completely dry.
- 14
Apply Battery Adhesive
2 minPlace new custom battery adhesive strips onto the back of the replacement battery. Peel off the protective film backing.
- 15
Place New Battery
2 minLower the new battery into the housing recess and press down firmly across its surface to set the adhesive.
- 16
Reconnect Cables
2 minReattach the main display interconnect cable and the battery press connector to their motherboard sockets. Press gently until they snap into place.
- 17
Reinstall Motherboard Shield
3 minAlign the plastic motherboard cover over the upper board and replace all Phillips screws firmly.
- 18
Reconnect Fingerprint Flex
2 minPosition the rear cover close to the frame and snap the fingerprint sensor connector back onto its port.
- 19
Reseal Rear Cover
2 minPress the rear cover firmly around all edges to re-engage the adhesive and snap clips into place.
- 20
Reinsert SIM Tray
1 minPush the SIM card tray back into its slot on the side of the phone until it sits flush.
After your Motorola G8 Power battery replacement
Power the G8 Power back on and test the battery replacement function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Motorola G8 Power job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Motorola G8 Power repair context in the encyclopedia, or open related DIY guides.

