Battery Tender Junior Multi-Chemistry
#13 in Up to 5 AFull review
The pick for riders with a lithium motorcycle or powersport battery who want a simple, small maintainer for storage.
Amazon $42.49$42.49
2.6/5
A long lived maintainer for lead acid car and truck batteries in storage, backed by a ten year warranty. Buyers who also need lithium support or faster charging should look elsewhere.
- 1.25 ACharge current
- 12 VVoltage
- NoLithium mode
- 10 yearsWarranty
Check price at Amazon$58.95
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Ten year warranty, the longest here, for a charger meant to stay connected for years
- Enough current to maintain full size car and truck batteries, not just motorcycles
- Simple fully automatic operation with nothing to set
Cons
- No lithium setting
- At 1.25 A a flat car battery takes well over a day to refill
- Costs more than chargers with more current and more modes
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 | 021-0128 |
|---|---|
| Charging | |
| Charge current | 1.25 A |
| Voltage | 12 V |
| Largest battery | 80 Ah |
| Lithium mode | No |
| AGM mode | No |
| Temperature compensation | Yes |
| Repair mode | No |
| Power supply mode | No |
| Build | |
| Weight | 1.4 lb |
| Warranty | 10 years |
Alternatives in this current
Schumacher SC1355
#14 in Up to 5 AFull review
A low cost maintainer for keeping a stored car, motorcycle or mower battery topped up. It is too slow to rescue a flat car battery quickly.
Amazon $22.30$22.30
Battery Tender Junior 750 mA
#16 in Up to 5 AFull review
The classic set and forget maintainer for lead acid batteries in stored motorcycles, mowers and summer cars. Skip it for lithium batteries or for recharging flat car batteries.
Amazon $37$37
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