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  • Reviews ⭐️⭐️⭐️⭐️⭐️ (388)

Introducing Our Homebrand

We are excited to introduce our Tinker 18650 batteries.
Designed in Australia for TinkerTech AU.

Shop Now
Save 21%
Tinker 25R 18650 2500mAh 20A Battery - TinkerTech AU TinkerTech AU 18650 Flat TopTinker 25R 18650 2500mAh 20A Battery - TinkerTech AU TinkerTech AU 18650 Flat Top
Tinker 25R 18650 2500mAh 20A Battery
Sale price$5.49 AUD Regular price$6.99 AUD
In stock
Tinker 34B 18650 3400mAh 10A Battery - TinkerTech AU TinkerTech AU 18650 Flat TopTinker 34B 18650 3400mAh 10A Battery - TinkerTech AU TinkerTech AU 18650 Flat Top
Tinker 34B 18650 3400mAh 10A Battery
Sale price$8.45 AUD
In stock
Save 38%
Tinker 40P 21700 4000mAh 35A BatteryTinker 40P 21700 4000mAh 35A Battery
Tinker 40P 21700 4000mAh 35A Battery
Sale price$7.49 AUD Regular price$11.99 AUD
In stock
Save 30%
Tinker 50E 21700 5000mAh 15A BatteryTinker 50E 21700 5000mAh 15A Battery
Tinker 50E 21700 5000mAh 15A Battery
Sale price$7.99 AUD Regular price$11.49 AUD
In stock
Tinker 30Q 18650 3000mAh 15A Battery - TinkerTech AU TinkerTech AU 18650 Flat TopTinker 30Q 18650 3000mAh 15A Battery - TinkerTech AU TinkerTech AU 18650 Flat Top
Tinker 30Q 18650 3000mAh 15A Battery
Sale price$6.99 AUD
In stock
Tinker LG M58T 21700 5800mAh 12A BatteryTinker LG M58T 21700 5800mAh 12A Battery
Tinker LG M58T 21700 5800mAh 12A Battery
Sale price$15.99 AUD
In stock
Tinker LG MJ1 18650 3500mAh 10A BatteryTinker LG MJ1 18650 3500mAh 10A Battery
Tinker LG MJ1 18650 3500mAh 10A Battery
Sale price$9.99 AUD
In stock

Popular 18650 Batteries

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Molicel P28A 18650 2800mAh 35A Battery - TinkerTech AU Molicel 18650 Flat TopMolicel P28A 18650 2800mAh 35A Battery - TinkerTech AU Molicel 18650 Flat Top
Molicel P28A 18650 2800mAh 35A Battery
Sale price$10.99 AUD
In stock
Molicel P30B 18650 3000mAh 35A BatteryMolicel P30B 18650 3000mAh 35A Battery
Molicel P30B 18650 3000mAh 35A Battery
Sale price$12.99 AUD
In stock
Save 11%
Front view of genuine Samsung 25R 18650 2500mAh 20A flat top unprotected  lithium-ion battery, 2025 production.Top view of genuine Samsung 25R 18650 2500mAh 20A flat top unprotected  lithium-ion battery, 2025 production.
Samsung 25R 18650 2500mAh 20A Battery
Sale price$7.99 AUD Regular price$8.99 AUD
In stock
Front view of genuine Samsung 30Q 18650 3000mAh 15A flat top unprotected  lithium-ion battery, 2025 production.Samsung 30Q 18650 3000mAh 15A Battery - TinkerTech AU Samsung 18650 Flat Top
Samsung 30Q 18650 3000mAh 15A Battery
Sale price$8.99 AUD
In stock
Front view of genuine Samsung 35E 18650 3500mAh 10A flat top unprotected  lithium-ion battery, 2025 production.Samsung 35E 18650 3500mAh 10A Battery - TinkerTech AU Samsung 18650 Flat Top
Samsung 35E 18650 3500mAh 10A Battery
Sale price$8.99 AUD
In stock
Panasonic NCR18650-B 3400mAh 10A Battery - TinkerTech AU Panasonic 18650 Flat TopPanasonic NCR18650-B 3400mAh 10A Battery - TinkerTech AU Panasonic 18650 Flat Top
Panasonic NCR18650-B 3400mAh 10A Battery
Sale price$11.45 AUD
In stock
Save 33%
Panasonic NCR18650-GA 3500mAh 10A BatteryPanasonic NCR18650-GA 3500mAh 10A Battery
Panasonic NCR18650-GA 3500mAh 10A Battery
Sale price$7.99 AUD Regular price$11.99 AUD
In stock
Sony | Murata VTC5A 18650 2600mAh 25A Battery - TinkerTech AU Sony / Murata 18650 Flat TopSony | Murata VTC5A 18650 2600mAh 25A Battery - TinkerTech AU Sony / Murata 18650 Flat Top
Sony | Murata VTC5A 18650 2600mAh 25A Battery
Sale price$8.99 AUD
In stock
Sony | Murata VTC6 18650 3000mAh 15A Battery - TinkerTech AU Sony / Murata 18650 Flat TopSony | Murata VTC6 18650 3000mAh 15A Battery - TinkerTech AU Sony / Murata 18650 Flat Top
Sony | Murata VTC6 18650 3000mAh 15A Battery
Sale price$8.49 AUD
In stock
Tinker LG MJ1 18650 3500mAh 10A BatteryTinker LG MJ1 18650 3500mAh 10A Battery
Tinker LG MJ1 18650 3500mAh 10A Battery
Sale price$9.99 AUD
In stock

Popular Button Top | Protected

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Genuine Molicel P30B buttpn nipple top fitted Genuine Molicel P30B buttpn nipple top fitted lay down view
Molicel P30B 18650 3000mAh 35A Battery - Button Top
Sale price$14.49 AUD
In stock
Samsung INR 18650 30Q 3000mAh 15A rechargeable lithium-ion battery with button nipple top terminalSamsung 30Q 18650 3000mAh 15A Battery - Button Top - TinkerTech AU Samsung 18650 Button Top
Samsung 30Q 18650 3000mAh 15A Battery - Button Top
Sale price$10.99 AUD
In stock
Samsung INR 18650 35E 3500mAh 10A lithium-ion battery with button nipple top terminalSamsung 35E 18650 3500mAh 10A Battery - Button Top - TinkerTech AU Samsung 18650 Button Top
Samsung 35E 18650 3500mAh 10A Battery - Button Top
Sale price$11.45 AUD
In stock
Panasonic NCR 18650 B 3400mAh 10A lithium-ion battery with button nipple top terminalPanasonic NCR18650-B 3400mAh 10A Battery - Button Top - TinkerTech AU Panasonic 18650 Button Top
Panasonic NCR18650-B 3400mAh 10A Battery - Button Top
Sale price$10.45 AUD
In stock
Samsung INR 18650 35E 3500mAh 8A protected lithium-ion battery with button topSamsung 35E 18650 3500mAh 8A Battery - Protected Button Top - TinkerTech AU Samsung 18650 Protected
Samsung 35E 18650 3500mAh 8A Battery - Protected Button Top
Sale price$12.95 AUD
In stock
Panasonic NCR 18650 B 3400mAh 10A protected lithium-ion battery with button topPanasonic NCR18650-B 3400mAh 10A Battery - Protected Button Top - TinkerTech AU Panasonic 18650 Protected
Panasonic NCR18650-B 3400mAh 10A Battery - Protected Button Top
Sale price$12.95 AUD
In stock
Panasonic NCR18650-GA 3500mAh 10A Battery - Button Top - TinkerTech AU Panasonic 18650 Button TopPanasonic NCR18650-GA 3500mAh 10A Battery - Button Top - TinkerTech AU Panasonic 18650 Button Top
Panasonic NCR18650-GA 3500mAh 10A Battery - Button Top
Sale price$12.45 AUD
Sold out
Panasonic NCR18650-GA 3500mAh 10A Battery - Protected Button Top - TinkerTech AU Panasonic 18650 ProtectedPanasonic NCR18650-GA 3500mAh 10A Battery - Protected Button Top - TinkerTech AU Panasonic 18650 Protected
Panasonic NCR18650-GA 3500mAh 10A Battery - Protected Button Top
Sale price$14.95 AUD
Sold out
Samsung 25R 18650 2500mAh 20A Battery - Button Top - TinkerTech AU Samsung 18650 Button TopSamsung 25R 18650 2500mAh 20A Battery - Button Top - TinkerTech AU Samsung 18650 Button Top
Samsung 25R 18650 2500mAh 20A Battery - Button Top
Sale price$7.95 AUD
Sold out
Sony | Murata VTC6 18650 3000mAh 15A Battery - Button Top - TinkerTech AU Sony / Murata 18650 Button TopSony | Murata VTC6 18650 3000mAh 15A Battery - Button Top - TinkerTech AU Sony / Murata 18650 Button Top
Sony | Murata VTC6 18650 3000mAh 15A Battery - Button Top
Sale price$9.95 AUD
Sold out
Sony | Murata VTC5A 18650 2600mAh 25A Battery - Button Top - TinkerTech AU Sony / Murata 18650 Button Top
Sony | Murata VTC5A 18650 2600mAh 25A Battery - Button Top
Sale price$10.45 AUD
Sold out
Samsung 30Q 18650 3000mAh 15A - Protected Button Top - TinkerTech AU Samsung 18650 ProtectedSamsung 30Q 18650 3000mAh 15A - Protected Button Top - TinkerTech AU Samsung 18650 Protected
Samsung 30Q 18650 3000mAh 15A - Protected Button Top
Sale price$11.95 AUD
Sold out
Sony | Murata VTC6 18650 3000mAh 15A Battery - Protected Button Top - TinkerTech AU Sony / Murata 18650 ProtectedSony | Murata VTC6 18650 3000mAh 15A Battery - Protected Button Top - TinkerTech AU Sony / Murata 18650 Protected
Sony | Murata VTC6 18650 3000mAh 15A Battery - Protected Button Top
Sale price$12.95 AUD
Sold out
Panasonic NCR18650-BD 3200mAh 10A Battery - Button Top - TinkerTech AU Panasonic 18650 Button TopPanasonic NCR18650-BD 3200mAh 10A Battery - Button Top - TinkerTech AU Panasonic 18650 Button Top
Panasonic NCR18650-BD 3200mAh 10A Battery - Button Top
Sale price$9.45 AUD
Sold out
Panasonic NCR18650-BD 3200mAh 10A Battery - Protected Button Top - TinkerTech AU Panasonic 18650 ProtectedPanasonic NCR18650-BD 3200mAh 10A Battery - Protected Button Top - TinkerTech AU Panasonic 18650 Protected
Panasonic NCR18650-BD 3200mAh 10A Battery - Protected Button Top
Sale price$12.95 AUD
Sold out

Popular 21700

View all
Molicel P42A 21700 4200mAh 45A BatteryMolicel P42A 21700 4200mAh 45A Battery - TinkerTech AU Molicel 21700 Flat Top
Molicel P42A 21700 4200mAh 45A Battery
Sale price$11.99 AUD
In stock
Molicel P45B 21700 4500mAh 45A BatteryMolicel P45B 21700 4500mAh 45A Battery
Molicel P45B 21700 4500mAh 45A Battery
Sale price$14.99 AUD
In stock
Molicel P50B 21700 battery with label indicating capacity, voltage, and discharge rate.Molicel P50B 21700 5000mAh 60A Battery
Molicel P50B 21700 5000mAh 60A Battery
Sale price$21.99 AUD
In stock
Save 25%
Samsung 40T 21700 4000mAh 30A Battery - TinkerTech AU Samsung 21700 Flat TopSamsung 40T 21700 4000mAh 30A Battery - TinkerTech AU Samsung 21700 Flat Top
Samsung 40T 21700 4000mAh 30A Battery
Sale price$8.99 AUD Regular price$11.99 AUD
In stock
Samsung 50E 21700 5000mAh 10A Battery - TinkerTech AU Samsung 21700 Flat TopSamsung 50E 21700 5000mAh 10A Battery - TinkerTech AU Samsung 21700 Flat Top
Samsung 50E 21700 5000mAh 10A Battery
Sale price$11.99 AUD
In stock
Samsung 50S 21700 5000mAh 25A BatterySamsung 50S 21700 5000mAh 25A Battery
Samsung 50S 21700 5000mAh 25A Battery
Sale price$11.99 AUD
In stock
Save 38%
Tinker 40P 21700 4000mAh 35A BatteryTinker 40P 21700 4000mAh 35A Battery
Tinker 40P 21700 4000mAh 35A Battery
Sale price$7.49 AUD Regular price$11.99 AUD
In stock
Save 30%
Tinker 50E 21700 5000mAh 15A BatteryTinker 50E 21700 5000mAh 15A Battery
Tinker 50E 21700 5000mAh 15A Battery
Sale price$7.99 AUD Regular price$11.49 AUD
In stock
Samsung INR 21700 50S 5000mAh 25A lithium-ion battery with button nipple top terminalSamsung INR 21700 50S 5000mAh 25A lithium-ion battery with button nipple top terminal laydown view
Samsung 50S 21700 5000mAh 25A Battery - Button Top
Sale price$16.99 AUD
In stock
Tinker LG M58T 21700 5800mAh 12A BatteryTinker LG M58T 21700 5800mAh 12A Battery
Tinker LG M58T 21700 5800mAh 12A Battery
Sale price$15.99 AUD
In stock

Battery Chargers

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Smart Universal Li-ion USB Type-C 2 Slots Battery ChargerSmart Universal Li-ion USB Type-C 2 Slots Battery Charger
Smart Universal Li-ion USB Type-C 2 Slots Battery Charger
Sale price$15.95 AUD
In stock
Smart Universal Li-ion USB Type-C 4 Slots Battery ChargerSmart Universal Li-ion USB Type-C 4 Slots Battery Charger
Smart Universal Li-ion USB Type-C 4 Slots Battery Charger
Sale price$22.95 AUD
In stock
XTAR VC2 Charger - TinkerTech AU XTARXTAR VC2 Charger - TinkerTech AU XTAR
XTAR VC2 Charger
Sale price$24.95 AUD
In stock
XTAR VC2S Charger - TinkerTech AU XTARXTAR VC2S Charger - TinkerTech AU XTAR
XTAR VC2S Charger
Sale price$27.95 AUD
In stock
XTAR VC4 Charger - TinkerTech AU XTARXTAR VC4 Charger - TinkerTech AU XTAR
XTAR VC4 Charger
Sale price$35.95 AUD
In stock
XTAR VC4S Charger - TinkerTech AU XTARXTAR VC4S Charger - TinkerTech AU XTAR
XTAR VC4S Charger
Sale price$45.95 AUD
In stock
Save 25%
PUJIMAX UNIVERSAL USB 1 Slots Battery Charger - TinkerTech AU TinkerTech AUPUJIMAX UNIVERSAL USB 1 Slots Battery Charger - TinkerTech AU TinkerTech AU
PUJIMAX UNIVERSAL USB 1 Slots Battery Charger
Sale price$8.95 AUD Regular price$11.95 AUD
In stock
Save 13%
PUJIMAX UNIVERSAL USB 2 Slots Battery Charger - TinkerTech AU TinkerTech AUPUJIMAX UNIVERSAL USB 2 Slots Battery Charger - TinkerTech AU TinkerTech AU
PUJIMAX UNIVERSAL USB 2 Slots Battery Charger
Sale price$12.95 AUD Regular price$14.95 AUD
In stock
Nitecore D4 4 Slots Digital Battery Charger - TinkerTech AU Nitecore
Nitecore D4 4 Slots Digital Battery Charger
Sale price$44.95 AUD
Sold out
Nitecore SC4 4 Slots Superb Battery Charger - TinkerTech AU NitecoreNitecore SC4 4 Slots Superb Battery Charger - TinkerTech AU Nitecore
Nitecore SC4 4 Slots Superb Battery Charger
Sale price$74.95 AUD
Sold out
LiitoKala Lii-S8 8 Slots LCD Battery Charger for Li-ion LiFePO4 Ni-MH Ni-Cd 9V 21700 20700 26650 18650 RCR123 18700 - TinkerTech AU LiitoKalaLiitoKala Lii-S8 8 Slots LCD Battery Charger for Li-ion LiFePO4 Ni-MH Ni-Cd 9V 21700 20700 26650 18650 RCR123 18700 - TinkerTech AU LiitoKala
LiitoKala Lii-S8 8 Slots LCD Battery Charger for Li-ion LiFePO4 Ni-MH Ni-Cd 9V 21700 20700 26650 18650 RCR123 18700
Sale price$89.95 AUD
Sold out

Spot Welding Machines & Accessories

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Molicel P30B 18650 3000mAh 35A Battery - Solder Tabs
Molicel P30B 18650 3000mAh 35A Battery - Solder Tabs
Sale price$14.99 AUD
In stock
"ENTRY Handheld Kit" Portable Spot Welder OLED Screen 5000mAh LiPo Battery
"ENTRY Handheld Kit" Portable Spot Welder OLED Screen 5000mAh LiPo Battery
Sale price$49.99 AUD
In stock
"ENTRY Welding Kit"Portable Spot Welder OLED Screen 5000mAh Lipo Battery
"ENTRY Welding Kit"Portable Spot Welder OLED Screen 5000mAh Lipo Battery
Sale price$54.95 AUD
In stock
"ESSENTIAL Welding Kit" Portable Spot Welder OLED Screen 5000mAh Lipo Battery
"ESSENTIAL Welding Kit" Portable Spot Welder OLED Screen 5000mAh Lipo Battery
Sale price$84.95 AUD
In stock
"PROFESSIONAL Welding Kit" Capacitor Battery Spot Welder 10.5KW Spot Welder, 3-in-1 Auto & Manual & Foot Pedal
"PROFESSIONAL Welding Kit" Capacitor Battery Spot Welder 10.5KW Spot Welder, 3-in-1 Auto & Manual & Foot Pedal
Sale price$179.99 AUD
In stock
10M/Roll Nickel Plated Steel Strip Spot Weld - TinkerTech AU TinkerTech AU
10M/Roll Nickel Plated Steel Strip Spot Weld
Sale priceFrom $23.95 AUD
In stock
18650 5x4 Spacer Holder - TinkerTech AU TinkerTech AU
18650 5x4 Spacer Holder
Sale price$1.45 AUD
In stock
18650 Battery Terminal Insulators - 20pcs - Red Paper21700Battery Terminal Insulators - 20pcs - Red Paper - TinkerTech AU TinkerTech AU
18650 Battery Terminal Insulators - 20pcs - Red Paper
Sale price$3.99 AUD
In stock
21700 Battery Terminal Insulators - 20pcs - Red Paper21700Battery Terminal Insulators - 20pcs - Red Paper - TinkerTech AU TinkerTech AU
21700 Battery Terminal Insulators - 20pcs - Red Paper
Sale price$3.99 AUD
In stock
21700 Battery Terminal Insulators - 20pcs - Green Paper
21700 Battery Terminal Insulators - 20pcs - Green Paper
Sale price$3.99 AUD
In stock
18650 Battery Terminal Insulators - 20pcs - Green Paper
18650 Battery Terminal Insulators - 20pcs - Green Paper
Sale price$3.99 AUD
In stock
Samsung 35E 18650 3500mAh 10A Battery - Solder Tabs
Samsung 35E 18650 3500mAh 10A Battery - Solder Tabs
Sale price$11.99 AUD
In stock
Samsung 25R 18650 2500mAh 20A Battery - Solder Tabs
Samsung 25R 18650 2500mAh 20A Battery - Solder Tabs
Sale price$8.99 AUD
In stock

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The li-ion market is very scarce as supply struggles to keep up with the demand. Electric vehicles, energy storage and similar products are in HIGH DEMAND and as a result the price of li-ion cells has greatly increased. We will always do our best to bring you the lowest available prices while never sacrificing the quality of batteries we offer.

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