CTEK CT5 Time to Go

Last updated: October 31, 2026

CTEK CT5 Time to Go
3.7/5#6 of 18 in up to 5 A battery chargers
3.7

For car owners who want to know exactly when the battery will be ready, with AGM support for modern start stop vehicles.

  • 4.3 ACharge current
  • 12 VVoltage
  • NoLithium mode
  • 5 yearsWarranty
Check price at Amazon$113.99

Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Countdown display shows how long until the battery is ready to use
  • AGM and recondition programs for start stop car batteries
  • Five year warranty and IP65 housing
Cons
  • No lithium program
  • Not meant for small motorcycle batteries under 20 Ah
  • Amazon listing is sold by a third party

How it scores

The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its current. How we rank explains each one.

Specifications

Model number40-255
Charging
Charge current4.3 A
Voltage12 V
Largest battery160 Ah
Lithium modeNo
AGM modeYes
Temperature compensationYes
Repair modeYes
Power supply modeNo
Build
Ingress ratingIP65
Warranty5 years
Released2018-07-30

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