Battery status at a glance

Voltmeters, shunt monitors and RC chargers for lithium, NiMH and lead-acid battery systems.

Products

CZ100

CZ100

COOLSCHMAX CZ100

About this itemHigh Visibility: Optimized brightness and contrast for clear visi

View product →
RC880

RC880

COOLSCHMAX RC880

About this itemThis product supports charging and discharging various battery ch

View product →
CL919

CL919

COOLSCHMAX CL919

About this itemMORE DATA CAPTURED: Displays the state of charge (%), remaining b

View product →
CZ102

CZ102

COOLSCHMAX CZ102

About this item Wide Compatibility & Custom Mode Supports multiple battery types

View product →
CZ212

CZ212

COOLSCHMAX CZ212

About this item 1% HIGH-PRECISION COULOMB COUNTING — Built on the 2nd-gen CZSOC

View product →

Three product lines

Battery Voltmeter

Battery Shunt Monitor

RC Charger

Built for real vehicles

Built for real vehicles

Motorcycle, forklift truck, golf cart, RV, fishing boat and solar storage — the display stays readable in rain, vibration and direct sunlight.

See products

Why COOLSCHMAX

Coulomb counting

Real remaining capacity measured by counting charge in and out, not estimated from unstable voltage.

Multi-chemistry

LiPo, LiFe, Li-ion, LiHv, NiMH/NiCd and lead-acid.

Weatherproof display

Bright, readable readouts for outdoor and mobile installations.

Need a manual or a datasheet?

All user manuals are free to download, in English, German and Japanese.

Go to downloads

Leave your message

We reply within 24 hours.