CTEK NXT 5 vs CTEK CT5: Best 12V Battery Charger for Lithium & Lead-Acid? I’ve spent time with both the CTEK NXT 5 and the CTEK CT5, and the big question is which one fits your garage. The NXT 5 pumps out 4.3 amps, while the CT5 is a compact 1 amp maintainer. Both handle … Read more
CTEK CT5 vs CTEK 0.8: Best Trickle Charger for Small Batteries? I’ve been testing the CTEK CT5 and the CTEK (56-865) US 0.8 side-by-side to figure out which one is the better buy for keeping your small batteries topped off. The CT5 pushes out 1 amp and handles lithium-ion, while the 0.8 is a dedicated … Read more
CTEK NXT 5 vs CTEK NXT 15: Best High Amperage Charger for Your 12V Battery? I’ve been testing the CTEK NXT 5 (4.3 amps) and the beefy CTEK NXT 15 (15 amps) to figure out which one actually makes sense for your garage. Both handle any 12V battery type including lithium, but the charging speed … Read more
CTEK MUS 4.3 Polar vs CTEK NXT 5: Best Battery Charger for Harsh Environments? I’ve been putting the CTEK 56-958 MUS 4.3 Polar and the CTEK 40-658 NXT 5 through their paces to see which one truly handles harsh environments better. Both are 4.3 amp 12V chargers, but the Polar is built for extreme cold … Read more
CTEK PRO25SE vs CTEK NXT 15: Best Professional High Power Charger? If you’re a pro trying to decide between the CTEK PRO25SE and the CTEK NXT 15, you’re looking at two very different beasts. The PRO25SE pumps out a serious 25A for heavy-duty shop work, while the NXT 15 is a sleek, smart 15A unit … Read more
CTEK CS Free vs CTEK CT5: Best Portable Battery Charger for Versatility I’ve spent time testing both the CTEK CS Free and the CTEK CT5, and they couldn’t be more different. The CS Free is a 1.6 kg portable powerhouse with Adaptive Boost that revives a dead battery in 15 minutes, while the CT5 is … Read more
CTEK 4.3 Test & Charge vs CTEK CS ONE Gen 2: Best Smart Battery Charger? I’ve spent time with both the CTEK 4.3 Test & Charge and the newer CTEK CS ONE Gen 2 with WiFi, and they serve very different masters. The 4.3 is a workhorse that tests your battery and alternator, while the … Read more
CTEK CS ONE Gen 2 vs CTEK CS Free: Best Portable Smart Charger for Your Car? If you’re torn between the new CTEK CS ONE Gen 2 with WiFi and the versatile CTEK CS Free, you’re not alone. Both handle 12V lead-acid and lithium (LiFePO4) batteries, but they go about it in completely different ways … Read more
CTEK MUS 4.3 Polar vs CTEK MXS 5.0 vs CTEK CT5: Best Cold Weather Charger? If you live somewhere that sees real winter, picking the right battery charger is critical. I’ve tested the CTEK MUS 4.3 Polar, the MXS 5.0, and the CT5 to see which one actually handles freezing temps and which is overkill … Read more
CTEK MXS 5.0 vs CTEK NXT 5 vs CTEK CT5: Best Car Battery Charger? I’ve spent time testing three of CTEK’s most popular battery chargers — the MXS 5.0, the newer NXT 5, and the smaller CT5 — and they each serve a different type of owner. The MXS 5.0 is a proven 4.3 amp … Read more