Description

XTAR 21700 5500mAh USB-C Rechargeable Li-ion Battery — a high-capacity, protected 21700 cell that charges straight from a USB-C cable, no separate charger needed. Up to 15A of discharge makes it a strong match for dive lights and other high-drain 21700 devices.

✅⭐ Key Features
  • 🔋 5500mAh high capacity — longer runtime between charges, at 3.6V nominal
  • ⚡ 15A max discharge — strong output, with 12A continuous for reliable long-term performance
  • 🔌 USB-C charging — charge from a wall charger, car charger, laptop or power bank with a standard USB-C cable
  • ⏱️ About 3.2 hours to full — the indicator flashes green while charging and turns solid green when full
  • 🧠 Intelligent 3-stage charging — looks after battery health over the long term
  • 🔄 Auto reactivation — recovers from over-discharge protection and resumes charging when plugged in
  • ♻️ 500+ cycles — recharge more, replace less
  • 🌡️ Wide temperature range — operates from -20°C to 60°C
✅🛡️ All-Round Safety Protection
  • ✅ Overcharge protection
  • ✅ Over-discharge protection
  • ✅ Overvoltage protection
  • ✅ Overcurrent protection
  • ✅ Short-circuit protection
  • ✅ Temperature protection
✅🔦 Works With
  • 🤿 Diving lights
  • 🔦 Tactical flashlights
  • ⛑️ Headlamps
  • 💨 Portable fans
  • 🔋 Other 21700-compatible devices — button-top, φ21.5 × 76.5mm

XTAR 21700 5500mAh USB-C Rechargeable Battery 15A

S$30.00

SKU: AB001188

Specifications

Brand
XTAR
Model
21700 5500mAh USB-C
Nominal Capacity
5500mAh
Nominal Voltage
3.6V
Max Discharge Current
15A
Max Continuous Discharge Current
12A
Standard Charging Voltage
4.2 ± 0.03V
Standard Charging Current
2.75A
Charging
USB-C, about 3.2 hours
Cycle Life
500+
Operating Temperature
-20 to 60°C
Storage Temperature
-20 to 45°C (recommended 25 ± 5°C)
Protected
Yes
Positive Terminal
Button top
Dimensions
φ21.5 ± 0.3 × 76.5 ± 0.5mm
Net Weight
About 75g