The KEIS 5,000 mAh Battery Pack is a 12 V power source designed for KEIS heated garments. This upgraded pack features 30 W USB-C fast charging, a USB-A output, and a clear LCD capacity display. It’s compatible with all KEIS jackets and bodywarmers for reliable, portable warmth when you prefer to ride lead-free.
Estimated Run Times (Medium Power)*
Garment – Approx. Run Time
J601 ULTRAFLEX Jacket — 1 hr 15 min
J505 EXTREME Jacket — 1 hr
J501 Jacket — 1 hr 15 min
B501W Bodywarmer — 6 hrs
B601 ULTRAFLEX Bodywarmer — 2 hrs
V501 Vest — 5 hrs
Motorcycle Gloves — 2 hrs
*Run times are approximate and depend on ambient temperature, garment type, and power level.
Do not use one battery to power multiple garments simultaneously; doing so may trip the battery’s 6 A safety limit.
⚠️ Safety Notice
Never leave any lithium-ion battery unattended while charging or charge overnight.
Always charge on a non-flammable surface, away from direct sunlight, moisture, or heat sources.
Disconnect once fully charged to prevent overheating or potential fire risk.
In the Box
• KEIS 5,000 mAh 12 V Battery Pack
• USB-C Charging Cable
• User Guide
Power Compatibility
Compatible with all KEIS 12 V heated jackets, bodywarmers, and vests.
For longer run times, see the KEIS 10,000 mAh Battery Pack or use the supplied 12 V bike lead for continuous power.
Built to work seamlessly across the KEIS system.
The 5,000 mAh pack delivers reliable power whilst you ride — ideal for shorter journeys or commuting without the hassle of wiring to your bike battery. The LCD display and fast USB-C charging make it genuinely practical — no guesswork, no downtime.
It’s the simplest way to stay warm and in control when you’re riding lead-free.