Once you have decided to try a vacuum erection device (VED), the next question is usually not which brand to buy. It is whether you want to pump by hand or press a button. Both kinds work the same basic way, and both kinds in our store are complete, medical vacuum therapy systems from Pos-T-Vac and Osbon ErecAid. The difference is in how the vacuum gets made, and that changes how the device feels to use day to day.
This guide explains how manual and battery pumps differ, who tends to prefer each, and which systems we carry in each group.
How the two types work
Every vacuum therapy system has three main parts: a clear cylinder that fits over the penis, a pump head that removes air from the cylinder, and a tension ring that you move to the base of the penis once you have an erection. Lowering the pressure inside the cylinder draws blood into the penis. The ring helps keep it there after you remove the cylinder. Take the ring off within 30 minutes, and never fall asleep with one in place.
The only part that changes between a manual and a battery system is the pump head:
- Manual pump: you squeeze or operate the pump by hand, and each stroke removes a little more air. You decide how fast and how far to go.
- Battery pump: you press a button and a small motor removes the air for you. There is no squeezing or hand strain.
Every system we carry, manual or battery, has a safety release valve built into the pump head. It limits vacuum pressure and lets you release the vacuum quickly. That is one of the main differences between a medical vacuum therapy system and a novelty pump, and it matters whichever type you choose.
Manual pumps: the case for pumping by hand
Men who choose a manual system usually mention three things.
Control
With a manual pump, you build the vacuum gradually, at your own pace. Many men like being able to stop the moment something feels like enough, especially in the first weeks while they are learning what is comfortable.
Quiet
A manual pump has no motor, so it makes no motor sound. If privacy at home matters to you, that can be a real advantage.
Nothing to charge or replace
There are no batteries to buy, so a manual system is always ready to go. That also means one less thing to pack when you travel.
The trade-off is effort. Mayo Clinic notes that using a penis pump means using your hands and fingers, which can be hard for some men (Mayo Clinic). If you have arthritis, a weak grip, a tremor, or simply find repeated squeezing tiring, a manual pump may feel like work.
The manual systems we carry
- Pos-T-Vac MVP 700: our entry-level complete system. It includes the MVP 700 manual pump head, a regular 8" x 2" cylinder, three soft rubber bushings (A, B and C), a ring loading cone, three Ultimate II tension rings (sizes 1, 2 and 3), 5 oz lubricant and a carrying case.
- Osbon ErecAid Esteem Manual: a quiet manual pump mounted on the cylinder, with a full fitting kit of four Osbon tension rings, two inserts and a ring loader, plus lubricant and a zippered case.
- Osbon ErecAid Classic: a different manual design. The hand pump connects to the cylinder with a 14" conduit tube, so you can hold the cylinder steady against your body with one hand while you pump with the other. It includes four Osbon tension rings, 4 oz lubricant and a zippered case, but no ring loader or inserts.
Battery pumps: the case for push-button
Easier on your hands
This is the main reason men choose a battery system. Our product pages describe battery pumps as a good fit for men who find hand pumping tiring or difficult, including those with arthritis or reduced grip strength. One press starts the motor, so you can focus on keeping the cylinder in place and getting a good seal.
Still designed for discreet use
A battery pump does make some sound, because it has a motor. The Pos-T-Vac battery systems are described as having a whisper-quiet motor designed for discreet use at home.
Batteries to keep on hand
Each battery system ships with batteries included, but you will replace them over time. If you choose a battery pump, keep spares where you store the device.
The battery systems we carry
- Pos-T-Vac BOS-2000: a 2-battery automatic pump head (AA batteries included), regular 8" x 2" cylinder, adapter bushing(s), ring loading cone, assorted Pos-T-Vac rings, 5 oz lubricant and a carrying case. The manufacturer now sells it as the PTV Automatic 2000.
- Pos-T-Vac Automatic 3000: the flagship of the Pos-T-Vac line, with a 3-battery automatic pump head (batteries included) and the same style of kit: cylinder, bushings, loading cone, assorted rings, lubricant and a carrying case.
- Osbon ErecAid Esteem Automatic: the push-button version of the Esteem Manual. It has a 3-battery pump head and ships with four Osbon tension rings, two inserts, a ring loader, lubricant, a zippered case and three AA batteries.
Quick comparison
| Manual | Battery | |
|---|---|---|
| How you pump | By hand, at your own pace | Push-button motor |
| Hand effort | Some squeezing required | Minimal |
| Sound | No motor sound | Quiet motor |
| Batteries | None | Included; replace over time |
| Safety release valve | Yes | Yes |
| Our systems | Pos-T-Vac MVP 700, Osbon Esteem Manual, Osbon Classic | Pos-T-Vac BOS-2000, Pos-T-Vac Automatic 3000, Osbon Esteem Automatic |
For prices and a full side-by-side of all six systems, see the "Which pump is right for me?" table on our Pump Systems collection.
Questions to help you decide
How are your hands?
Be honest about grip strength and comfort, not just today but over the long run. If squeezing a pump repeatedly would be tiring or painful, lean toward a battery system.
How much does quiet matter?
If any motor sound would bother you, a manual system is the quietest option.
Do you want to hold the cylinder with one hand and pump with the other?
Some men find that easier. That is the reason the Osbon ErecAid Classic puts its hand pump on a tube.
Do you want a ring loader and inserts in the box?
Both Osbon Esteem systems, manual and automatic, include a ring loader and two inserts. The Pos-T-Vac systems use adapter bushings and a ring loading cone instead. Our Pos-T-Vac vs. Osbon comparison lays out what comes in every kit.
Are you thinking about long-term upkeep?
Tension rings wear out with use whichever pump you choose, so plan on buying refills (see all tension rings). On the Pos-T-Vac side, we also carry replacement pump heads for the MVP 700, BOS-2000 and Automatic 3000, so a worn head does not mean buying a whole new system.
See the Osbon systems side by side
Educational video. Not a substitute for medical advice. Talk with your doctor before starting vacuum therapy.
Using a pump after prostate cancer treatment
Many men first hear about vacuum therapy from their urologist after prostate cancer surgery or radiation. Either pump type can be used in that situation, and the choice comes down to the same questions above. What matters most is following your care team's timing and instructions. Our patient guide to vacuum therapy after prostate cancer explains how VEDs are used in recovery and what to ask your doctor.
Safety basics for any pump
- Talk with your doctor before you start. ED can be a sign of other health conditions.
- If you take blood thinners or have a bleeding disorder, sickle cell disease, or a history of priapism, get medical advice before using any vacuum device.
- Never wear a tension ring for more than 30 minutes, and never fall asleep with one in place.
- Wait at least 60 minutes between uses, as MedlinePlus and the manufacturer advise (MedlinePlus).
- Stop and contact your doctor if you have pain, significant bruising, or numbness.
The bottom line
Neither type is better for everyone. Choose a manual pump if you want quiet, fine control and no batteries. Choose a battery pump if hand pumping would be hard or tiring for you. Every order ships in a plain, unmarked box, and our FAQ answers common questions about shipping, returns and paying with an HSA or FSA. Still deciding? Contact us before you order and we will help you match a system to your needs.