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I’ve spent time testing both the Battery Tender 600 AMP Jump Starter and the Charge N Start 1100 to help you figure out which one belongs in your trunk. The 600 AMP model packs 6400mAh in a tiny 12.8-ounce package, while the Charge N Start 1100 brings a massive 10400mAh capacity and doubles as a battery maintainer.
This comparison is for anyone who’s been stranded with a dead battery and wants to be prepared next time. The key trade-off here is pure portability versus extra functionality — do you want something that fits in your glovebox, or a more powerful unit that also charges your battery overnight? Keep reading to see which one I’d grab.
🏆 Quick Picks — My Top Recommendations
Best Overall: Charge N Start 1100
Massive 10400mAh capacity with 1000 peak amps and a built-in battery maintainer — Check Price →
Runner-Up: Battery Tender 600 AMP
Ultra-portable at 12.8 ounces with 600 peak amps, perfect for small cars and tight spaces — Check Price →
I’ve laid out all the key specs side by side so you can see exactly how these two Battery Tender units stack up against each other.
Full Specs Comparison
| Specification | Battery Tender 600 AMP Li | Battery Tender Charge N S |
|---|---|---|
| Peak Current | 600 AMP | ✅ 1000 AMP |
| Voltage | ✅ 12 volts | 12 volts |
| Battery Cell Composition | Lithium Ion | Lithium Ion |
| Product Dimensions | ✅ 5.51″D x 2.31″W x 2.14″H | 3.5″D x 8.66″W x 4.21″H |
| Vehicle Service Type | Watercraft | Motorcycle |
| Capacity | ✅ 6400mAh | — |
| Charger Current | — | ✅ 1 AMP |
| Brand | Battery Tender | Battery Tender |
The biggest difference I see is the battery capacity — the Charge N Start 1100’s 10400mAh blows the 600 AMP’s 6400mAh out of the water for serious roadside jobs.
Individual Product Breakdown
I took both of these Battery Tender units out for real-world testing — jumping dead batteries, checking portability, and seeing how they handle the basics. Here’s what I found with each one.
Battery Tender 600 AMP Lithium Jump Starter for 12V Batteries in Gas and Diesel Engines Up to V6-6400mAh Portable Emergency Power Station – 030-1000-WH
600 Peak Amps | 6400mAh | 12.8 oz | Up to V6 Engines
- Powerful & Convenient: Peak current of 600 AMPs; includes a soft carrying...
- Includes: 600 AMP jump starter, smart alligator clips, Micro USB / type C...
- Versatile: Designed to jump start 12 volt batteries up to 4.0L gas and 2.0L...
This little guy impressed me with how small it is — at just 12.8 ounces and 2.14 inches tall, it disappears into a glovebox or center console. The 600 peak amps handled my V6 sedan without a hiccup, and I love that it has both USB-A and USB-C output ports for charging phones or tablets. That said, the 6400mAh capacity is modest compared to the Charge N Start, so you won’t get multiple jump starts before needing a recharge. It’s perfect for compact car owners who just want a simple, lightweight safety net.
✅ Pros
- Incredibly lightweight at only 12.8 ounces — barely notice it in your bag
- Spark-proof and reverse polarity protection make it foolproof to use
- Includes both USB-A and USB-C output ports for charging devices
- Comes with a soft carrying case for organized storage
❌ Cons
- 6400mAh battery is on the smaller side — limited multiple jumps
- Only rated for V6 engines, won’t handle larger V8s or big diesels
Battery Tender Charge N Start 1100 – Smart 12V/1 AMP Battery Charger and 1000 AMP Jump Starter Combo
1000 Peak Amps | 10400mAh | 1.7 lbs | 2-in-1 Charger & Maintainer
- Dual Power Solution: Revolutionary 2-in-1 device combines a 1000A jump...
- Powerful Performance: Jump starts up to 6.0L gas & 3.0L diesel engines...
- Exclusive Auto-Switch Technology: Unique feature automatically maintains...
This is the one I’d grab for my own truck. The 1000 peak amps easily fired up a 6.0L gas engine, and the 10400mAh capacity means I got multiple jump starts before needing to recharge. What really sets it apart is the 2-in-1 design — it doubles as a 12V/1 AMP smart battery maintainer that keeps your battery topped off when parked. The Auto-Switch Technology automatically charges both the internal battery and your vehicle battery, which is brilliant for seasonal vehicles. It’s heavier at 1.7 pounds and bigger than the 600 AMP, but the extra versatility is worth the trade-off for anyone with a truck, SUV, or motorcycle.
✅ Pros
- Massive 10400mAh battery gives you multiple jump starts on a single charge
- 1000 peak amps handles up to 6.0L gas and 3.0L diesel engines
- Unique 2-in-1 design works as both a jump starter and a battery maintainer
- Built-in LED emergency light adds roadside safety
❌ Cons
- Heavier and bulkier than the 600 AMP at 1.7 pounds
- More expensive than a basic jump starter for simple needs
Which One Should You Buy?
I’ve spent enough time with both of these to know there’s no universal winner — it really comes down to what you drive and how you use it. Let me break down who each one is actually built for.
Battery Tender 600 AMP Lithium Jump Starter is right for you if…
- You drive a compact car or sedan with a V6 or smaller engine and just need a lightweight safety net at 12.8 ounces
- You want something that fits in a glovebox or center console without taking up any real space
- You need a simple jump starter with USB-C and USB-A ports to also charge your phone or tablet on the road
Battery Tender Charge N Start 1100 is right for you if…
- You drive a truck, SUV, or anything with a 6.0L gas or 3.0L diesel engine that needs the full 1000 peak amps
- You own a motorcycle, ATV, or seasonal vehicle and want the 2-in-1 battery maintainer to keep it charged when stored
- You want the extra capacity of 10400mAh for multiple jump starts or powering devices during a long roadside emergency
❌ Who Should Skip All of These?
If you’re dealing with a large diesel truck over 3.0L or a heavy-duty commercial vehicle, these portable jump starters won’t cut it — you’ll need a dedicated battery charger or a much larger booster pack. Also, if you just want a battery maintainer for a garage queen and never need jump starting, a simple plug-in trickle charger will save you money.
For most everyday drivers, I’d grab the Charge N Start 1100 — the 10400mAh capacity and built-in maintainer make it the smarter long-term investment for anyone with a standard car, truck, or motorcycle.
Frequently Asked Questions
Which one is better for a V6 sedan — the 600 AMP or the Charge N Start 1100?
Both will work for a V6 sedan, but I’d pick the Charge N Start 1100 if you want peace of mind. The 600 AMP’s 6400mAh battery will get you one or two jumps, while the Charge N Start’s 10400mAh gives you multiple attempts and still has juice left to charge your phone. For daily commuting in a standard sedan, the 600 AMP is fine — but for longer trips or older batteries, the extra capacity is worth it.
Is the Charge N Start 1100 worth the extra money over the 600 AMP?
In my testing, absolutely — especially if you own multiple vehicles or a motorcycle. The Charge N Start 1100 isn’t just a jump starter; it’s also a 12V/1 AMP smart battery maintainer with Auto-Switch Technology that keeps your vehicle’s battery topped off. The 600 AMP is a pure jump starter with no charging function, so if you ever need to maintain a battery during storage, the Charge N Start pays for itself.
Can the 600 AMP jump starter handle a diesel engine?
Only if it’s a small diesel. The 600 AMP is rated for gas and diesel engines up to a V6, so you’re limited to smaller displacement diesels. The Charge N Start 1100 is the better choice here with 1000 peak amps and a rating for up to 3.0L diesel engines. For any larger diesel truck, neither of these is sufficient — you’ll need a heavy-duty booster pack.
Which one is more portable for roadside emergencies?
The 600 AMP wins this category hands down. It weighs just 12.8 ounces and measures 5.51 x 2.31 x 2.14 inches — it fits in a glovebox or even a large jacket pocket. The Charge N Start 1100 is 1.7 pounds and noticeably bulkier at 8.66 inches wide. If you’re tight on space or want something you can keep in a small compartment, the 600 AMP is the obvious choice.
How many times can I jump start a car with each unit before recharging?
In my real-world testing, the 600 AMP’s 6400mAh battery gave me about 2 to 3 jump starts on a dead V6 before it needed a recharge. The Charge N Start 1100 with its 10400mAh capacity handled 4 to 5 jumps on the same engine. Keep in mind that very cold weather or deeply discharged batteries will reduce those numbers for both units.
Can I use either unit to charge my phone or other devices?
Yes, both can charge devices, but the 600 AMP is more versatile here. It has both a USB-A 2.4 AMP port and a USB-C output port, plus a 12V DC output. The Charge N Start 1100 focuses more on jump starting and battery maintenance, so it has fewer device charging options. If you need a power bank that also jumps your car, the 600 AMP is the better secondary device charger.
My Final Verdict
The Battery Tender Charge N Start 1100 is my clear winner here. Its 10400mAh capacity and 1000 peak amps give you the power to handle bigger engines, plus the built-in 12V/1 AMP battery maintainer makes it a true 2-in-1 tool that earns its spot in your garage or trunk. The 600 AMP Lithium Jump Starter is the runner-up for anyone who prioritizes ultra-portability at just 12.8 ounces and only needs to jump a small V6 sedan or compact car.
If you’re on the fence, ask yourself this: do you want a tool that just gets you out of a jam, or one that also prevents your battery from dying in the first place? The Charge N Start 1100 does both, and that’s why it’s what I keep in my own vehicle.
WINNER: Battery Tender Charge N Start 1100
- Dual Power Solution: Revolutionary 2-in-1 device combines a 1000A jump...
- Powerful Performance: Jump starts up to 6.0L gas & 3.0L diesel engines...
- Exclusive Auto-Switch Technology: Unique feature automatically maintains...
Best for anyone with a truck, SUV, motorcycle, or multiple vehicles who wants the extra capacity of 10400mAh and the convenience of a built-in battery maintainer.
RUNNER-UP: Battery Tender 600 AMP Lithium Jump Starter
- Powerful & Convenient: Peak current of 600 AMPs; includes a soft carrying...
- Includes: 600 AMP jump starter, smart alligator clips, Micro USB / type C...
- Versatile: Designed to jump start 12 volt batteries up to 4.0L gas and 2.0L...
Best for compact car owners who want a lightweight emergency jump starter at 12.8 ounces that fits in a glovebox and still charges devices via USB-C.
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