KeepPower is recognised worldwide for its premium lithium-ion cells and advanced power accessories. From compact 14500 “AA” replacements to high-capacity 21700 bottles, KeepPower offers both protected and unprotected variants rated for discharge currents up to 15 A—perfect for demanding torches, headlamps, and high-drain devices. Their low-self-discharge chemistry ensures cells hold charge over months of storage, while multi-stage protection circuits guard against overcharge, over-discharge, and short-circuit events. Beyond cells, KeepPower’s smart multi-channel chargers, USB-C power banks, and battery cases let you streamline charging and carry spares safely in the field.
KeepPower
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KeepPower 21700 Type-C Rechargeable 5000mAh Li-ion Battery, 8.0A Discharge (Protected) – P2150TC
Sale! Original price was: $39.95.$34.95Current price is: $34.95. Add to cartIn stock
Live Count: Geelong Warehouse10+ left in stock. -
KeepPower 21700 Protected Rechargeable 5300mAh Li-ion Battery, 10.6A Discharge – P2153C
Sale! Original price was: $34.95.$29.95Current price is: $29.95. Add to cartIn stock
Live Count: Geelong Warehouse10+ left in stock. -
KeepPower 18650 Protected Rechargeable 4000mAh Li-ion Battery – P1840C
Sale! Original price was: $34.95.$29.95Current price is: $29.95. Add to cartIn stock
Live Count: Geelong Warehouse10+ left in stock. -
KeepPower 14500 Protected Rechargeable 800mAh Li-ion Battery – P1450C
Sale! Original price was: $14.95.$12.95Current price is: $12.95. Add to cartIn stock
Live Count: Geelong Warehouse10+ left in stock. -
KeepPower 21700 Protected Rechargeable 5000mAh Li-ion Battery, 15A Discharge – P2150R
Sale! Original price was: $34.95.$29.95Current price is: $29.95. Back-orderAvailable on back-order
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KeepPower 18650 Protected Rechargeable 3500mAh Li-ion Battery – P1835J
Sale! Original price was: $34.95.$24.95Current price is: $24.95. Back-orderAvailable on back-order
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KeepPower 18650 Protected Rechargeable 2600mAh Li-ion Battery – P1826C
Sale! Original price was: $19.95.$15.95Current price is: $15.95. Back-orderAvailable on back-order
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KeepPower 16340 Protected Rechargeable 950mAh Li-ion Battery – RCR123A2
Sale! Original price was: $19.95.$14.95Current price is: $14.95. Back-orderAvailable on back-order
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KeepPower 21700 Unprotected Rechargeable IMR High Drain LI-ion Battery, 10A Discharge – NH2150
Sale! Original price was: $24.95.$19.95Current price is: $19.95. Out of StockOut of stock
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KeepPower 14500 2260mAh Protected Micro-USB Rechargeable Batteries P1450U2 – 2 Pack
Sale! Original price was: $39.95.$29.95Current price is: $29.95. Out of StockOut of stock
Why Buy KeepPower at BrightNite
Genuine Quality & Safety
We stock only authentic KeepPower products, each batch inspected for capacity accuracy, discharge performance, and safety compliance. Every cell you buy is backed by KeepPower’s manufacturer warranty and our strict in-house testing protocols.
Comprehensive Compatibility
Whether you need 800 mAh 14500 cells for penlights, 5300 mAh 21700 cells for high-output torches, or a smart charger to manage multiple chemistries, our selection covers every application. All products are designed to slot seamlessly into your existing gear.
Expert Technical Support
Our lighting and battery specialists are on hand to help you choose the right cell, optimise charger settings, or troubleshoot any issues. We provide clear guidance on safe charging practices, storage recommendations, and best-use scenarios to maximise both performance and lifespan.
Fast, Reliable Service
Enjoy Australia-wide shipping on orders over $150, or same-day Click & Collect from our Geelong warehouse. Every purchase comes with a 30-day returns policy and full manufacturer warranties—so you can power your adventures with absolute confidence.