2x Vapcell K62 6200mAh 26650 battery in a plastic protective case.
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1-20pcs LiitoKala Highest Capacity 26650 7000mah 21A/35A lithium battery 3.6V 26650 Rechargeable Battery Cell for Battery Pack
Aliexpress UK
26650 LithiumWerks Li-Ion Flat Top Rechargeable Battery - 3.3V 2.5Ah - 4 pack
eBay
Original Vapcell K70 26650 Battery 7000mAh CDR 15A Max 30A High Capacity 26650 Battery Rechargeable Lithium-ion Battery Cell
Aliexpress UK
A good quality 22650 flat top battery. The button top version of the battery can be foundhere.
eBay
1S 2S 26650 Battery Holder THM Batteries Case Storage Box 1 2 Slot 26650 DIY Rechargeable Battery Shell with Pin
Aliexpress UK
The Vapcell G53 26650 Rechargeable Batteries are a reliable and high-quality option for those in need of long-lasting power for their devices. With a capacity of 5300mAh and a voltage of 3.7V, these Li-Ion batteries provide consistent power for low drain devices. The set includes two units, ensuring you have a spare on hand for when you need it. Manufactured in China by the trusted brand Vapcell, these rechargeable batteries are a convenient and efficient choice for your everyday needs.
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Original 26650 3.7V 5000mAh Battery High Capacity 26650 Power Battery Lithium Ion Rechargeable Battery for Toy Flashlight
Aliexpress UK
High Quality 26650 Battery Box Transparent Clear Plastic Case Holder Battery Box for 1 X 26650 Rechargeable Battery Storage Case
Aliexpress UK
Soshine 3.2V 4000mAh Rechargeable Battery LiFePO4 26650 Batteries 4000mAh 26650 Battery for Laser Flashlight RC Toys Helicopter
Aliexpress UK
100%New.High Capacity 26650 5000mah Li-ion Rechargeable Battery Lii-50A 3.7v 26650-50A battery for Flashlight 20A new packing
Aliexpress UK
Soshine 5500mAh 26650 3.7V Battery 5500mAh 26650-55A Lithium Rechargeable Battery Suitable for Flashlight Mouse Head Lights Toys
Aliexpress UK