14500 Rechargeable Lithium-ion Batteries, 800mAh (2-Pack) – Protected Cells for Flashlights

Reliable 3.7V 14500 Li-ion cells delivering 800mAh with integrated PCB protection against over-charge/over-discharge. Perfect drop-in power for many LED flashlights and EDC devices. Rated for >500 recharge cycles with excellent energy density and low weight.

Key Features

High capacity: 800mAh nominal (750mAh min) for longer runtime
Protected cells: Built-in PCB safeguards at 2.5V (low) & 4.25V (high)
3.7V Li-ion chemistry: High energy density, lightweight, low self-discharge
Long life: ~90% capacity after 400 cycles; 500+ cycle life expectancy
EDC ready: Ideal for 14500-compatible LED flashlights, headlamps & gear

Specifications

Format: 14500 (Ø14 mm x 53 mm)
Chemistry: Li-ion (rechargeable)
Voltage: 3.7V nominal; 2.5V cutoff; 4.25V max charge (PCB protected)
Capacity: 800mAh nominal (750mAh min)
Cycle Life: >500 cycles (≈90% after 400)
Protection: Integrated PCB (over-charge/over-discharge/short-circuit)

Compatibility & Use

Designed for devices that explicitly support 14500 Li-ion 3.7V cells (not standard AA alkalines). Popular with tactical/EDC flashlights, compact headlamps, laser pointers, bike lights, and electronics projects.

What’s in the Box

(2) 14500 3.7V 800mAh protected Li-ion batteries

Note: USPS Ground Advantage™ service includes up to $100 insurance in the price. We recommend adding the Order Protection option for orders over this amount.

All orders are processed within 2-3 business days.

All orders are processed and shipped during our business hours. Orders are not shipped or delivered on U.S. holidays.

If we are experiencing a high volume of orders, shipments may be delayed.

Please allow additional days in transit for delivery. 

If a significant delay in shipment is expected, then we will contact you via the information you provide at checkout.

Overnight delivery is only available for orders with delivery addresses within the continental United States.

Delivery delays can occasionally occur.

Expected Transit Times

All transit times are based on once your order ships.

USPS Ground Advantage™ - 2 to 5 Business Days

USPS Priority - 1 to 3 Business Days

USPS Priority Express - Next-Day to 2 Business Days

UPS Ground - 1 to 5 Business Days

Once we receive your item, we will inspect it and notify you that we have received your returned item. We will immediately notify you on the status of your refund after inspecting the item. If your return is approved, we will initiate a refund to your original method of payment. You will receive the credit within the terms set forth by your credit card/debit card company.

VIEW FULL RETURNS & REFUNDS POLICIES HERE

You have 30 calendar days to return an item from the date you received it. To be eligible for a return, your item must be unused and in the same condition in which you received it. Your item must be in the original packaging. Your item must have the receipt or proof of purchase .If you make a purchase for the holidays between October 1st and December 25th we will accept returns for those items up until January 31st of the following year provided that the same requirements above are met - the item is unused, has original packaging returned with it, and has a proof of receipt showing the date of purchase. PLEASE NOTE:  The purchaser shall be responsible for paying return shipping costs. Initial shipping fees are nonrefundable.  If your return qualifies for a refund you will receive the refund for that item(s) minus a 10% restocking fee.

VIEW FULL RETURNS & REFUNDS POLICIES HERE