18V Battery for Black and Decker Weed Eater
The Replacement for Black and Decker 18V Battery is a 2-pack of aftermarket NiMH packs for older Black and Decker 18V slide-pack tools, including cordless weed eaters such as the NST2018. On the NST2018, a release button on the back of the pack lets you slide it out and swap it.
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Will This Battery Fit Your Weed Eater?
Black and Decker confirms that its original HPB18 and HPB18-OPE batteries are interchangeable. That statement covers the original batteries only. Run this quick check on your own tool before you buy.
The word “18V” does not confirm a fit. Black and Decker also sells 20V MAX POWERCONNECT lithium-ion batteries, which belong to a different battery system. Match the battery to your tool model, not just the voltage.
Replacement for Black and Decker 18V Battery Specifications
| Property | Detail |
|---|---|
| Product name | Replacement for Black and Decker 18V Battery (2-pack) |
| Listed brand | OHYES BAT (per a reseller record for this product) |
| Type | Aftermarket replacement, not a Black and Decker original |
| Battery family | Older HPB18 / HPB18-OPE slide-pack system |
| Chemistry (as listed) | Nickel-metal hydride (NiMH), rechargeable |
| Pack quantity | 2 batteries |
| Advertised voltage | 18 V |
| Advertised capacity | 4,500 mAh in the product title |
| Capacity conflict | A reseller specification table for the same product lists 3,600 mAh |
| Replacement references listed | HPB18, 244760-00, A1718, FS18FL, FSB18 Firestorm |
| Original HPB18 (for comparison) | 1.3 Ah, per Black and Decker |
| Original HPB18-OPE (for comparison) | 1.5 Ah, per Black and Decker; interchangeable with HPB18 |
| Original HPB18-OPE chemistry | NiCd, per a retailer listing |
| NST2018 pack release | Button on the back of the pack, then slide the pack out |
| Charger | Not confirmed as included in the listing |
| Not confirmed | Exact dimensions, weight, discharge rating, cell maker, warranty, safety certification |
Values for this product come from its listing and reseller records, and they conflict on capacity. Original-battery figures come from Black and Decker support and a retailer listing. Check the label on the pack you receive.
Weed Eater Battery Replacement Difficulty
The swap itself is easy: press a release button, slide the old pack out and slide the new one in. The harder part is choosing a pack and charger that match your tool. Tap a slice to highlight it.
- 15% Releasing the old pack
- 15% Sliding in the new pack
- 45% Choosing a compatible battery & charger
- 25% Charging & confirming the latch
Difficulty score and effort split are an editorial estimate based on the NST2018 battery-swap procedure, not an official rating.
How to Replace Your Weed Eater Battery
These steps follow the Black and Decker NST2018 manual. The latch position can differ on other models, so check your own manual. Tap each step to tick it off as you go.
- 1Lock the trimmer offRelease the trigger and make sure the switch is in the locked or off position before you insert a battery.
- 2Remove the old batteryPress the release button on the back of the pack and slide the pack out.
- 3Insert the new batterySlide the compatible replacement fully into the battery cavity until it clicks into place.
- 4Charge and checkCharge the pack with a charger approved for it, then confirm the pack is latched before you start cutting.
Check that the battery is charged, fully inserted and latched. On the NST2018, the lock-out button must be pulled back before the trimmer will run. Also confirm the pack is the designated type for your trimmer.
Other Devices in the HPB18 Family
These older Black and Decker 18V tools use the same battery family. The notes below show where each one comes from. Confirm your exact model against the listing for this replacement before buying.
- NST2018 trimmer/edger18V cordless weed eater
- NST1810 trimmerNamed in a retailer listing for HPB18-OPE
- NHT518 hedge trimmerNamed in a retailer listing for HPB18-OPE
- NPP2018 pole saw18V cordless pole saw
- NS118 sweeper18V cordless sweeper/blower
- Slide-pack 18V power toolsHPB18 is the recommended original
- FireStorm 18V toolsHPB18 is the recommended original
Safety, Charging & Disposal
The NST2018G manual warns that a charger suited to one battery type can create a fire risk with another. Use only a charger approved for the pack you are charging.
- Do not use the tool or its battery in rain or damp places.
- Do not put old rechargeable batteries in household trash or recycling bins.
- Tape the terminals or bag each old battery separately.
- Take old batteries to a battery recycler, a participating retailer or a household hazardous-waste program.
18V Battery for Black and Decker Weed Eater: FAQ
What battery does a Black and Decker 18V weed eater use?
Older Black and Decker 18V slide-pack trimmers, such as the NST2018, use the HPB18 / HPB18-OPE battery family. Black and Decker states that the two original models are interchangeable. Always match the model printed on your tool and old battery.
Is this a genuine Black and Decker battery?
No. It is an aftermarket replacement made to fit the older Black and Decker 18V range. A reseller record for this product lists the brand as OHYES BAT.
Is the capacity 4,500mAh or 3,600mAh?
The product title advertises 4,500mAh, while a reseller specification table for the same product lists 3,600mAh. Read the label on the pack you receive, and treat either figure as a listing claim until you do.
Will it fit every Black and Decker 18V weed eater?
Not necessarily. Fit depends on the tool model and its battery system. Black and Decker also sells a newer 20V MAX POWERCONNECT lithium-ion line, and an 18V label alone does not confirm that a battery fits an older HPB18 tool.
Can I charge it with my old charger?
Only if that charger is approved for this type of battery. The NST2018G manual warns that a charger suited to one battery type can create a fire risk with another. The original HPB18-OPE is listed as NiCd, while this product is listed as NiMH.
How long will it run my weed eater?
No reliable runtime test was found for this exact product, so there is no number here. Runtime depends on the tool, the cutting load, the battery condition and the real capacity.
How should I dispose of an old battery?
Do not put it in household trash or recycling bins. Tape the terminals or bag each battery separately, then take it to a battery recycler, a participating retailer or a household hazardous-waste program.
