For forklift battery service companies
Forklift battery maintenance logs for every customer site you service
CellRound is forklift battery maintenance software for battery service companies that keeps every customer site's batteries and chargers, every watering and equalize visit, every cell reading and every battery swap in one place your technicians fill in from a phone.
No more carbon-copy sheets on a clipboard, and no more Excel workbook per customer that's out of date the day a battery is swapped.
No card needed. Plans from $29 a month after the trial.
- Watered
- Yes, 6 cells
- Equalized
- Yes
- Pilot cell SG
- 1.281
- High / low SG
- 1.286 / 1.244
- Electrolyte
- 84 °F
- Cables
- Negative lead hot, photo attached
The forklift battery maintenance checklist, on a phone
Seven lines per battery, in the order the tech works
The same lines as your paper watering sheet, one battery at a time. Open the site, tap the battery, fill it in, move to the next one. The office sees it the moment it's saved.
- 01Watered. Yes or no, and how many cells needed topping up
- 02Equalized and washed. Two ticks, so the office can bill for them
- 03Pilot cell gravity. The one cell you read every visit
- 04High and low gravity. The spread that tells you a cell is going
- 05Volts and temperature. Open circuit voltage and electrolyte °F
- 06Condition. Good, watch, needs repair or replace soon
- 07Cables and connectors. Burnt plugs and cracked cable ends, with a photo
Forklift battery specific gravity, cell by cell
Specific gravity for every cell, beside last round's numbers
Enter gravity, volts and temperature for every cell. CellRound marks any cell more than 30 points below the battery's best one, and puts last time's numbers beside this time's so a cell that dropped 20 points since the last round stands out too.
Readings sheets stop living in a drawer: every set stays on the battery's history, ready to export when a warranty claim needs them.
Forklift battery watering schedule
Each site keeps its own rhythm, and the due list keeps you on it
A site that should be watered weekly slips to monthly when the route runs on memory, and dry cells don't come back. Give every site a frequency and a technician; when a visit is marked complete, the next one is dated for you. Overdue sites sit at the top.
| Frequency | Typical site | Next visit due |
|---|---|---|
| Weekly | Multi-shift distribution centers and cold storage | 7 days after the last completed visit |
| Every two weeks | Single-shift warehouses with a dozen trucks or more | 14 days |
| Monthly | Light-use plants, and the full cell reading round | Same day next month |
| Quarterly | PM inspections, washes and spare battery checks | Three months |
| On call | Sites that phone when something's wrong | No due date |
The due list is a list, filtered by technician and exported as a route sheet. It doesn't dispatch or plan drive times.
“How old is our fleet?” answered with one export
Battery replacement history
Record each swap with the reason, what happened to the core (returned, scrapped, rebuilt, kept as a spare) and the old battery's age, worked out from its in-service date. The old battery retires and the new one goes into service at that site in the same step.
Visit reports for your customers
Each finished visit prints as a clean report with your logo: every battery's checks and readings, charger checks, recommendations and who signed off. Save it as a PDF to hand over or email, and stop digging through carbon copies for proof of service.
The owner, the office, the techs, and the customer's maintenance manager
- OwnerAll plans
- Everything: customers, sites, batteries, every visit, billing and users. Often still runs a route.
- TechnicianAll plans
- Logs visits, battery checks and cell readings at their assigned sites; adds a battery found on site; records swaps.
- OfficeShop and Fleet
- Keeps customer, site and battery lists current, assigns techs, types in paper sheets, completes visit reports.
- Customer contactFleet
- A maintenance or warehouse manager at your customer: their own sites, batteries, finished reports, readings and battery ages. Read only.
One price for the whole company, set by your site count
Every plan starts with 30 days free. After that, records stay readable and exportable until you pick a plan. Pay yearly and get two months free.
| Plan feature | Solo $29/month or $290/year | Shop $59/month or $590/year | Fleet $99/month or $990/year |
|---|---|---|---|
| Customer sites | 30 | 200 | Unlimited |
| Batteries in service | 500 | 4,000 | Unlimited |
| Users | 3 | 10 | Unlimited |
| Technician logins | Yes | Yes | Yes |
| Office login | — | Yes | Yes |
| Customer logins | — | — | Yes |
Industrial battery maintenance checklist
A forklift battery maintenance checklist by interval
For flooded lead-acid batteries. Your battery maker's manual comes first; this is the routine most service techs run.
Every shift
- Charge only when the battery is 20 to 30% discharged, and finish the charge cycle
- Keep vent caps closed while charging
- Look for a hot, swollen or leaking battery and tag it out
Every week (or every 5 charges)
- Water after charging, never before, to 1/4 inch below the vent well
- Use distilled or deionized water
- Equalize on the charger's schedule
- Read the pilot cell's specific gravity
Every month
- Read every cell's specific gravity and voltage after an equalize
- Wash the top with a neutralizer and dry it
- Check cables, connectors and terminals for heat and corrosion
- Check the charger's output and equalize setting
Every quarter
- Compare this month's cell readings against the last ones
- Flag cells 30 points below the rest
- Review battery ages and warranty dates with the customer
Watering, gravity and cores: the short answers
- How many days between waterings for a forklift battery?
- Most flooded lead-acid forklift batteries need water about once a week, or every 5 to 10 charges, and always after a full charge, not before. Busy multi-shift sites may need it more often; light-use sites less. In CellRound you set each customer site to weekly, every two weeks, monthly or quarterly, and the due list shows which sites are coming up and which are overdue.
- What should the specific gravity of a forklift battery be?
- A fully charged flooded lead-acid cell usually reads about 1.280 to 1.300 at 77 °F, and a discharged one about 1.100 to 1.150. Cells in the same battery should sit within about 0.020 to 0.030 of each other after an equalize; a cell 30 points or more below the rest is the classic sign of a weak cell. CellRound marks those cells in red and shows the previous set beside the new one.
- What does a tech write down at each battery and charger?
- Per battery: watered and how many cells, equalized, washed, pilot cell specific gravity, high and low gravity, open circuit voltage, electrolyte temperature, cables and connectors, and an overall condition. Per charger: output, equalize setting, cables and plugs. That is the checklist your technicians fill in on each visit, battery by battery.
- Why take specific gravity readings after an equalize charge?
- An equalize brings every cell to full charge and mixes the electrolyte, so the cells should read close together. A cell that still sits low afterwards is genuinely weak, not just stratified or undercharged. CellRound lets you note on each battery check whether it was equalized, so you know which readings to trust.
- Should specific gravity be corrected for temperature?
- Yes, when the electrolyte is far from 77 °F: add about 0.004 for every 10 °F above 77 °F and subtract the same below. That's why each cell reading in CellRound has a temperature column, and each battery check has an electrolyte temperature.
- What should we record when a battery is replaced?
- The battery taken out, the one put in, the date, why (end of life, failed cells, damage, upgrade, warranty) and what happened to the old one: core returned, scrapped, rebuilt or kept as a spare. CellRound works out the old battery's age from its in-service date, which is the number customers ask for when they budget next year's replacements.
- Does a single-point watering system change the visit?
- The tech still checks levels and gravity, but filling is quicker and fewer cells need topping up by hand. Mark each battery's watering system (single-point or manual) so the tech knows what to bring, and log how many cells actually took water.
Have a binder of battery lists? Set up your first customer and import it this afternoon.
Updated October 11, 2026