XTAR VX2 Pro Smart Battery Charger & Tester

Supported Battery Sizes

Key Highlights

Independent Dual Slots

Two fully independent slots allow every function to run on its own without interference. For example, you can refresh an old Ni-MH cell while testing the capacity of a 21700, all at once.

Universal Compatibility

•4 Battery Types: Li-ion (3.6/3.7V), LiFePO4 (3.2V), Ni-MH (1.2V), and 1.5V Li-ion

•30+ Battery Sizes: From tiny 10440s to long protected 21700s

•Adjustable Slots: 34mm to 80mm length accommodation

Professional Features

•High Precision Detection: Accurate battery analysis and measurement

•Smart Fast Charge: Auto-adjusts optimal charging parameters

•Battery Capacity Test: Verify true capacity and health

•Storage Voltage Adjustment: Preserve battery life during storage

•Ni-MH Refresh: Revive old batteries to maximum capacity

•Internal Resistance Check: Monitor battery health professionally

•Low Voltage Recovery: Safely revive over-discharged cells

Broad Battery Compatibility

Supports a wide range of chemistries and battery sizes, with adjustable slot length ensuring a precise fit for all your underwater photography equipment batteries.

Supported Battery Types

Two Operating Modes

① Standard Mode

•3.6V/3.7V Li-ion

•1.5V Li-ion

•1.2V Ni-MH

② LiFePO4 Mode

•3.2V LiFePO4

•1.5V Li-ion

•1.2V Ni-MH

Mode Switching: Single click MODE button to switch between slots. Long press C/V button to switch between modes.

Smart Charging Technology

The VX2 Pro intelligently detects battery types and auto-matches the optimal charging method, then auto-adjusts the best charging current based on adapter power and battery status.

Charging Methods

•Li-ion: TC/CC/CV (3-stage charging method for safe and efficient charging)

•Ni-MH: CVSA Tech (higher accuracy of full-charge detection and lower battery temperature)

Selectable Charging Current

Optional 0.25A/0.5A/1A/2A/3A allows manual adjustment for different user needs. Note: Charging current for Ni-MH and 1.5V Li-ion batteries is fixed at 0.5A.

Professional Testing & Maintenance Features

Battery Capacity Testing

Know your battery's true capacity with professional-grade testing capabilities. This function is ideal for:

•Verifying manufacturer claims

•Spotting aging or degraded batteries

•Matching cells for multi-battery setups

•Ensuring reliability for underwater photography equipment

Storage Voltage Adjustment

Ni-MH Refresh Function

Quick Discharge Function

Internal Resistance Check

Displays internal resistance for each cell — giving you deeper insight into battery health and data you can trust for smarter use and maintenance.

Low Voltage Recovery

Pioneered by XTAR, this micro-current activation revives over-discharged cells more safely and effectively than conventional methods.

Advanced Features

USB-C Input with Fast Charging

Recommend XTAR PD 20W adapter and original cable for maximum 3A fast charging capability.

Power-Out Memory

Full-View Display Panel

Large HTN LCD display panel shows all information clearly. Every slot displays voltage, current, capacity and charging status together with simple layout for easy reading.

•During charging: Battery level bars flash upward

•During discharging: Battery level bars flash downward

Safety Features

Multiple safety protections ensure secure operation for all your valuable batteries:

•Intelligent Detection: Automatic battery type recognition

•Timely Stop When Fully Charged: Prevents overcharging

•Over-Current Protection: Prevents excessive current flow

•Over-Charge Protection: Voltage monitoring and control

•Over-Voltage Protection: Prevents voltage damage

•Short Circuit Protection: Immediate shutdown on shorts

•Reverse Polarity Protection: Prevents incorrect insertion damage

•Soft Start: Gentle charging initiation

Technical Specifications

Why Choose XTAR VX2 Pro for Underwater Photography?

The XTAR VX2 Pro is the perfect companion for underwater photographers who demand reliable, professional-grade battery management. With support for virtually every battery type used in underwater photography equipment, from camera batteries to strobe power cells, the VX2 Pro ensures your gear is always ready for the next dive.

The advanced testing capabilities help you identify aging batteries before they fail during critical moments underwater, while the storage functions preserve battery life during the off-season. The dual independent slots mean you can maintain different battery types simultaneously, making it an essential tool for any serious underwater photographer.