Optimate TM-522-D4 40W (3amp) Solar Battery Charger/Maintainer (12-13.2V Batteries)

The Optimate TM-522-D4 Lithium solar charger will charge and maintain your lithium battery with 3 amps / 40W of energy.

NOK2 699,00 inkl. mva.
  • Produktinfo
  • Technical Specifications

What’s included:

  • 1 x TM-522-D4 solar charger/maintainer
  • 1 x battery alligator clips
  • 1 x waterproof quick connect lead
  • 1 x solar duo controller



Fastest charge is delivered as ‘smart charge’ control selects pulse or continuous charge according to sunlight strength.
Intelligent maintenance continues the next day if battery retained charge overnight, otherwise the program reverts to OPTIMIZE step.


Battery condition is displayed every 3 seconds. Ready indication for STD, hi-performance AGM and lithium LFP batteries. Draws less than 0.5mA during monitor mode.
Automatically switches to CHARGE when solar power is sufficient.


The OptiMate charger-monitor controller is separate to the solar panel and can be placed close to the vehicle or battery so that charge and maintenance progress can be easily followed. The solar panel must be mounted and angled to receive direct sunlight. The reach / distance between battery and panel is 315cm / 124″.

Outer dimension (including corner mount brackets): 16.6”W x 27”H x 1.25“D

Weight of panel: 6.8lbs

Solar Panel:

POWER : 40 Watts (max.)

VOLTS : 12V / 12.8V

USE : Outdoor.

STYLE : Weatherproof – polycrystalline, aluminium frame with 4 x mounting brackets, output cable 200cm / 80″ with SAE connector.

OptiMate Charge-Monitor controller:

SAVE : Low Volt Start of 4V

IDEAL FOR : STD, AGM & GEL 12V batteries from 2 – 240Ah and Lithium LFP 12.8V / 13.2V batteries

INPUT : 15 – 22V

SAFE: No risk of overcharging. Totally safe for vehicle electronics. Sparks suppressed. Safe for long-term battery maintenance. Automatic shut-down if short-circuited or battery disconnected.

  • Recommended for LiFePO4 batteries: 12.8V / 12.3V
  • Weight: 6.8lbs
  • Dimensions (including corner mount brackets): 16.6″W x 27″H x 1.25″D
  • Charging Amps: 3.33A from 40W panel (max average current)
  • Input & output cable lengths: 2m
  • Lowest operating temperature: -20°C / -4°F
  • Warranty: 3 years limited warranty through OptiMate