The Best Battery Extenders 2025

1. Lenmar CBC909 Nickel Metal Hydride Cordless Phone Battery

Lenmar CBC909 Nickel Metal Hydride Cordless Phone Battery, Nickel-Metal Hydride (NiMH), 3.6V DC

Lenmar CBC909 Nickel Metal Hydride Cordless Phone Battery With 700 mAh capacity, the battery delivers a long lasting charge to your phone Nickel Metal Hydride (NiMH) battery chemistry delivers energy to the phone through an easily controlled reaction 3.6 V DC battery - Powers your phone safely

2. Lenmar Wclr27a 12V Alkaline Battery(Pack of 2)

Lenmar Wclr27a 12V Alkaline Battery(Pack of 2)

Lenmar Wclr27a 12V Alkaline Battery(Pack of 2)

3. Lenmar CB0511 Panasonic P-P511 Replacement Battery

Help your customers get more life out of their cordless phone with the Lenmar CB0511 P-P511 Panasonic Replacement Battery. The battery will replace the manufacturer's battery pack, so they can continue using their phone after the original battery has died or been damaged. The Lenmar replacement battery is a 3.6V battery with a 850mAh capacity. It's ideal for those who use their current phones quite a bit and want to continue to do so.Lenmar CB0511 Panasonic P-P511 Replacement Battery:

3.6 V 850mAh NiCd replacement battery made for Panasonic P-P511 and HHR-P402 batteries Replaces OEM's battery pack in certain devices

4. Lenmar PDABSTORM Smartphone Battery

Lenmar PDABSTORM Smartphone Battery, For Cell Phone, Battery Rechargeable, 1400 mAh, 5.20 Wh, 3.7 V DC

Lenmar PDABSTORM Smartphone Battery Proprietary Battery Size battery - A convenient spare for your cell phone, giving you peace of mind Save your precious time by recharging the battery instead of running to the store each time you run out of batteries Smaller and lighter than other rechargeable batteries, proving ideal for portable devices 3.7 V DC battery - Powers your cell phone safely

5. Lenmar CBA337 - Phone battery - NiCd - 350 mAh - for Southwestern Bell FF 2150, 2150BL, 2150MS; GH 3010SCS, 3028NB

Lenmar CBA337 phone battery - NiCd

Key Features and Benefits: Airplane safe Safe for air shipments or any type of airplane travel. No mem technology Battery contains no "memory effect" & can be charged up to 100% every time. Quality assurance Factory inspected & double checked upon delivery to ensure optimal quality. RoHS compliant Does not contain hazardous substances & meets electronic equipment regulations. UL approved Product contains UL Approved plugs &/or cells.

6. Lenmar CBD958 - Phone battery - NiMH - 700 mAh - for AT&T E5947B; GE 25839GE3; Motorola E51 Digital Cordless Phone MD7161

Lenmar CBD958 phone battery - NiMH

Key Features and Benefits: Airplane safe Safe for air shipments or any type of airplane travel. No mem technology Battery contains no "memory effect" & can be charged up to 100% every time. Quality assurance Factory inspected & double checked upon delivery to ensure optimal quality. RoHS compliant Does not contain hazardous substances & meets electronic equipment regulations. UL approved Product contains UL Approved plugs &/or cells.

7. Lenmar CLZ360SG - Battery - Li-Ion - 1200 mAh - black - for Samsung Epic 4G; Galaxy S 4G, S Plus; SGH-i897 Captivate, i917 Focus, t959 Vibrant

Lenmar CLZ360SG battery - Li-Ion

Key Features and Benefits:Airplane safeSafe for air shipments or any type of airplane travel.No mem technologyBattery contains no "memory effect" and can be charged up to 100% every time.Quality assuranceFactory inspected and double checked upon delivery to ensure optimal quality.RoHS compliantDoes not contain hazardous substances and meets electronic equipment regulations.

8. Replacement LG G2 Li-ion Mobile Phone Battery

LG BL-T7 / LGBLT7Features:Voltage: 3.8v Composition: Lithium Ion

Replacement LG G2 Li-ion Mobile Phone Battery

9. B740AC B740AE Battery 2330mAh for Samsung Galaxy S4 Zoom C101 C1010 C105 C105K

B740AC B740AE Battery 2330mAh for Samsung Galaxy S4 Zoom C101 C1010 C105 C105K C105A C101L C101S Battery

B740AE Replacement Lithium Ion Battery for NX Mini and S4 Zoom, 3.8v, 2600mAh Lithium Ion Battery

10. NiMH Cordless Phone Battery

Lenmar NiMH Cordless Phone Battery

Lenmar' s cordless phone battery keeps you talking. Our battery meets or exceeds the original manufacturer' s specifications and are fully compatible with your cordless phone. Our wide range of cordless phone battery fits most of today' s popular models. Provides reliable power to your phone with a capacity of 1500 mAh Rechargeable battery - Lasts longer on a single charge than its disposable counterparts Eco-friendly and its nickel content makes recycling more beneficial 2.4 V DC battery - Ensures a steady and uninterrupted supply to your phone