Efest - Mega USB Battery Charger


Shop the Efest Mega USB Battery Charger in-store and online at VAPELAB NZ!

Compatible with most Li-ion 3.6V/3.7V batteries and NiHM/NiCd 1.2V batteries, the Efest Mega USB Battery Charger is an excellent option for recharging your external vape batteries. 

Featuring automatic battery recognition, the Efest Mega automatically detects your battery type and adjusts the charging rate accordingly between 0.5A and 1A, helping to extend the life of your batteries. With a 5V/2A Micro USB input, the Efest Mega provides 1A fast charging for batteries with a cell length greater than 63mm, and 0.5A charging for batteries with a cell length less than 63mm. 

The two battery slots are independently monitored to ensure efficient charging while 4-level LED indicator lights display the current charge level of each battery, making it easy to know when your batteries are fully charged!

In addition, the Efest Mega USB Battery Charger comes equipped with a built-in intelligent protection chip that provides multiple protection functions including short circuit protection, automatic over-charge protection, reverse polarity protection, and more! Crafted with high-quality ABS fire retardant material, this battery charger is a safe option for charging your vape batteries.

Lightweight and compact, the Efest Mega USB Battery Charger is ideal for those constantly on the go, recharge your batteries anywhere, anytime. 

Compatible With:

  • Li-ion 3.6V/3.7V batteries: 10440, 14500, 16340, 17340, 18350, 18490, 18500, 18650, 26500, 26650, 20700, 21700
  • 1.2V NiMH/NiCd batteries: AAAA, AAA, AA, A, SC, C, F6 (not included)


  • Compact and lightweight design
  • 4-level battery life LED indicator lights 
  • Independent monitoring and charging for each battery slot
  • Smart battery recognition 
  • 0.5A and 1A fast charge charging rates
  • Built-in intelligent protection features
  • Micro USB input


  • AC Input Power: AC 100~240V 50/60Hz
  • DC Input Power: DC 5V 2A
  • DC Output Power: DC 5V 2A
  • 2*1A CC current: 1000mA±10%
  • 2*0.5A CC current: 500mA±10%
  • Auto cutoff voltage: Liion 4.20V±0.05V NiMH/NiCd 1.5±0.1V
  • CV cutoff current: <10% max
  • Standby Current: <100mA
  • Sleep Current: <0.5mA
  • Activation Current: 50mA~100mA
  • Activation Current (rechargeable Liion battery voltage <2.90V) 10mA~100mA
  • Auto recharge voltage: Liion 4.10V±0.10V NiMH/NiCd 1.2±0.10V
  • Operation Temperature: 0°C~40°C
  • Storage Temperature: 40°C~+70°C
  • Charger Size: 118mm x 65mm x 34mm

In the Box: 

  • 1x Efest Mega USB Battery Charger
  • 1x USB-A to Micro USB Charging Cable

Customer Reviews

Based on 4 reviews
Handy Charger

Handy charger to charge those spare batteries. Fast, easy to use. Just a little clunky putting batteries in.

Appreciate the feedback, Dan!

J H.
Quick charge charger

Great easy to use charger. Great option for a faster charge

Appreciate the feedback!

Rhys J.
Efest - Mega USB Battery Charger

Works like a dream

Appreciate the 5-stars!

Matt B.

Wall adapter would be a nice bonus but still does the job nicely

Thanks for leaving your review!