About this replacement
Cattron Theimeg 70C0003KIT Series — 2.4V Ni-MH Replacement Battery (60C-0060N)
This is a 2.4V, 1500mAh Ni-MH replacement battery for the Cattron Theimeg 70C0003KIT and 70C-0003KIT-C wireless crane remote control systems. It replaces OEM part number 60C-0060N. The battery powers the handheld transmitter used to operate overhead cranes and hoists in industrial environments.
- 70C0003KIT and 70C-0003KIT-C fit: Both variants use the same 2.4V cell pack, connector pinout, and BMS handshake. The 60C-0060N part number covers the full production run of this transmitter series — physical dimensions are 60 x 29 x 15.10mm and seat directly into the battery bay without modification.
- Bench tested on actual hardware: We cycled this cell pack through full charge and discharge under load conditions that replicate solenoid activation events. The BMS held stable through repeated inrush spikes and did not trip on normal relay switching. Capacity measured within 3% of the rated 1500mAh.
- Monthly charge cycle for idle remotes: Ni-MH cells in infrequently used crane remotes self-discharge at roughly 1–2% per day. If a transmitter sits unused for 60 or more days without a top-up charge, cell voltage can drop low enough to trigger a protection lockout on the next startup. Charge once a month during any idle period.
Solenoid activation causing power dropout on a freshly installed battery
When a crane remote triggers a solenoid or contactor, the inrush current spike can briefly exceed the BMS overcurrent threshold. On a battery that is not fully charged, the internal resistance is higher and the voltage sag during that spike is more pronounced — enough to trip the protection circuit. This is not a defective battery; it is a state-of-charge issue. Charge the battery to full before the first operational use. A fully charged 2.4V Ni-MH pack should read approximately 2.8–2.9V off the charger before installation.
Remote showing low-battery indicator immediately after new cell install
Replacement Ni-MH batteries ship at storage voltage — typically 2.2–2.4V — not at full charge. The 70C0003KIT transmitter reads this resting voltage on startup and flags it as low. The cell is not faulty; it simply has not been charged yet. Place the battery in the Cattron charger for a full cycle before inserting it into the remote. After a complete charge the resting voltage should sit at or above 2.75V and the low-battery indicator will clear on next power-on.