CTEK CT5 Time to Go
#6 in Up to 5 AFull review
For car owners who want to know exactly when the battery will be ready, with AGM support for modern start stop vehicles.
Amazon $113.99$113.99
3.6/5
A versatile maintainer for garages with a mix of 6 V classics, 12 V cars and lithium powersport batteries.
- 3 ACharge current
- 6/12 VVoltage
- YesLithium mode
- 5 yearsWarranty
Check price at Amazon$69.95
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Charges both 6 V vintage and 12 V batteries, lead acid or lithium
- Three times the current of the Plus, so it recovers a drained car battery overnight or so
- IP65 housing can live in a damp garage or boat
Cons
- No recovery mode for deeply drained or sulfated batteries
- No separate AGM profile
- Battery Tender’s own page lists both a 3 and a 5 year warranty
The Battery Tender Power Tender family
Every Battery Tender Power Tender model we rank, smallest first. Ratings compare each against its own current.
| Model | Charge current | Rating | Price |
|---|---|---|---|
| Battery Tender Power Tender 3 A (this one) | 3 A | 3.6/5 | $69.95 |
| Battery Tender Power Tender 8 A | 8 A | 2.5/5 | $109.95 |
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 number | 022-0202-COS |
|---|---|
| Charging | |
| Charge current | 3 A |
| Voltage | 6/12 V |
| Largest battery | 100 Ah |
| Lithium mode | Yes |
| AGM mode | No |
| Temperature compensation | Yes |
| Repair mode | No |
| Power supply mode | No |
| Build | |
| Ingress rating | IP65 |
| Weight | 1.4 lb |
| Warranty | 5 years |
| Released | 2015-10-17 |
Alternatives in this current
Clore PRO-LOGIX PL2140
#7 in Up to 5 AFull review
A well equipped maintainer for keeping several kinds of stored batteries healthy, with features usually found on dearer units.
Amazon $46.42$46.42
NOCO GENIUS2
#9 in Up to 5 AFull review
A weatherproof maintainer for motorcycles, ATVs and cars in storage that also handles lithium batteries. Owners of big truck or RV batteries should step up to a GENIUS5 or GENIUS10.
Amazon $49.95$49.95
Compare
Compare the Battery Tender Power Tender 3 A with any other battery charger →
More from Battery Tender: every Battery Tender product ranked.