What charger works with these batteries?

Hi , you should use the lifepo4 3.6V charger to charge the AA 3.2V LIFEPO4 Battery, AA 3.2v lifepo4 battery have TWO main difference from AA rechargeable ni-mh 1.2V batteries? ONE Difference 1: Different voltage: The volt of LIFEPO4 battery is 3.2v, but the ni-mh volt is 1.2v, and the li-ion battery is 3.7v, You need to make sure that the voltage is suitable for your device. Using higher voltage can damage your device TWO Difference 2： The charging voltage is different： The charging voltage of AA AAA NI-MH is 1.48v, But The charging voltage of AA LIFEPO4 3.2v battery is 3.6v, and the charging voltage of lithium ion battery is 4.2v The AA 3.2v lifepo4 battery and the AA NI-MH battery have same size(Same diameter and length)

What charger do i need for these?

The kind that charges LiFe batteries.

Can these be used in a flashlight that uses one AA battery?

Only if you have a flashlight that can accept the two (very different) types. Alkaline and Ni-MH put out about 1.2V while these LiFePo4 batteries put out 3.2V. The higher voltage CAN burn out a flashlight designed only for the lower voltage alkaline/Nickel cells.

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4 Pack- Shockli AA 3.2V LiFePo4 650mAh Battery, AA 3.2V Solar Rechargeable Batteries - Ideal for Solar Garden Light

Product ID: 133728160

Details

Battery Capacity
650 Milliamp
Battery Cell Composition
NiMH
Brand
funkawa
Number of Batteries
4 AA batteries
Recommended Uses For Product
Camera

🔄1500 recharge cycles

🔋650mAh high capacity

☀️Optimized for solar recharge

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Description

☀️ Power your garden with the future of solar energy!

PERFECT AA SIZE FIT - Compact 50.5x14 mm dimensions fit most solar garden lights—check compatibility to avoid FOMO.
LONG LASTING RECHARGEABILITY - Up to 1500 charge cycles means fewer replacements and more eco-friendly use.
POWER PACKED 650 M AH CAPACITY - Keeps your solar garden lights glowing for 5-7 hours after a full charge.
ECO CONSCIOUS ENERGY SOLUTION - Rechargeable and durable batteries that reduce waste and keep your outdoor spaces lit sustainably.
SOLAR OPTIMIZED 3 2 V LI FE PO 4 CHEMISTRY - Designed specifically for solar devices, ensuring efficient and safe energy storage.

This 4-pack of Shockli AA 3.2V LiFePo4 650mAh rechargeable batteries is engineered for solar garden lights, delivering reliable 5-7 hour runtimes after full solar charging. Featuring a robust 1500 cycle lifespan and compact AA size, these batteries combine eco-friendly sustainability with high-performance energy storage.

Specifications

ASIN	B07RGQX6W7
Amperage	0.6 Amps
Antenna Location	Camera
Battery Capacity	650 Milliamp Hours
Battery Cell Type	NiMH
Battery Weight	68 Grams
Best Sellers Rank	#80,860 in Health & Household ( See Top 100 in Health & Household ) #210 in AA Batteries
Brand	funkawa
Customer Reviews	4.3 4.3 out of 5 stars (884)
Item Weight	68 Grams
Manufacturer	shockli
Model Name	lifepo4
Number of Batteries	4 AA batteries required. (included)
Reusability	Rechargeable
UPC	787446450810
Unit Count	4.0 Count
Voltage	3.2 Volts

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